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HIGH-SPEED SEMICONDUCTOR

HIGH-SPEED SEMICONDUCTOR
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HIGH-SPEED SEMICONDUCTOR

Product catalog summary
Introduction
POWR-SPEED® high-speed fuses are designed to protect critical power semiconductors against short circuits. They are reliable, fast-acting, and easy to retrofit, with custom designs available for specific applications.
High-Speed Semiconductor Fuses
  • Square-Body Fuses: Includes ESR, PSX, and PSR series, offering high-speed protection with various mounting options.
  • Round-Body Fuses: Includes L75QS, L70QS, L50QS, L70S, L50S, L15S, L25S, and L60S/KLC series, each optimized for specific applications.
POWR-SPEED Fuse Accessories
LSCR Series High-Speed Fuse Blocks and MS Series High-Speed Microswitches are designed for easy mounting and integration with high-speed fuses.
Special Purpose Fuses
Telecommunications fuses like the L17T and TLS series are designed for telecom power applications.
Key Features and Benefits
  • Extremely current limiting to protect semiconductor components.
  • Low watt loss for energy efficiency.
  • High DC interrupting rating up to 150 kA.
  • RoHS and REACH compliant for environmental safety.
PSX Series High-Speed Square Body
Offers fast-acting protection in a compact size, suitable for high energy density systems with a high DC voltage rating up to 1500 V and a breaking capacity up to 250 kA.
ESR Series High-Speed Square Body
Designed for battery protection in energy storage systems, offering superior short-circuit protection with a high DC interrupting rating and low minimum breaking capacity.
Specifications
  • Voltage Rating: Up to 1500 V DC
  • Amperage Rating: Up to 125 A
  • Interrupting Rating: Up to 175 kA UL (250 kA self-certified)
  • Operating Temperature: -55 °C to +125 °C
Applications
Suitable for battery energy storage systems, power conversion systems, and hybrid PV-BESS inverters.
Conclusion
POWR-SPEED® fuses provide reliable and efficient protection for high-speed semiconductor applications, with a range of products and accessories to meet diverse needs.
Document Overview: This document provides technical specifications, procedures, and recommendations for Littelfuse's POWR-SPEED® PSX series high-speed square body fuses. It includes detailed information on dimensions, mounting specifications, electrical characteristics, and ordering information.
Specifications:
  • Voltage Rating: 1500 V DC
  • Amperage Rating: 80 A to 1400 A
  • Interrupting Rating: 250 kA DC
  • Time Constant: 1XL: ≤ 3 ms, 3XL: ≤ 5 ms
  • Material: Body made of ceramic, contacts made of plated copper or brass
  • Approvals: cURus Recognized, compliant with UL 248-13 and IEC 60269-7 standards
  • Environmental Compliance: RoHS and REACH compliant
  • Operating Temperature: -55 °C to +125 °C
  • Storage Temperature: Up to +35 °C with relative humidity <65%
Mounting Specifications:
  • Recommended Fasteners: M12 or 1/2" for bolted blade style, M10 or 3/8" for DIN blade style
  • Tightening Torque: 64 Nm for bolted blade, 26 Nm for DIN blade
Features and Benefits:
  • High DC voltage rating up to 1500 V
  • Extremely fast-acting for high-speed performance
  • Low watt loss for energy efficiency in battery energy storage systems (BESS)
  • Compact NH 1XL and 3XL sizes for flexibility
Applications:
  • Battery energy storage systems (BESS)
  • Power conversion systems
  • DC common bus systems
  • Hybrid PV-BESS inverters
  • Regenerative drives
  • Industrial heaters and welding equipment
  • Metal processing equipment
Ordering Information: The document provides a detailed table with catalog numbers, ordering part numbers, and UPCs for different case sizes and termination styles (flush metric, bolted blade, DIN blade).
Critical Characteristics: The document highlights critical characteristics for part safety and compliance, with specific dimensions and tolerances interpreted according to ANSI Y14.5M-1994.
Overview: The document provides detailed specifications and characteristics of the Littelfuse POWR-SPEED® PSX and PSR series high-speed square body fuses. These fuses are designed for the protection of power semiconductor devices in various industrial applications.
Specifications: The PSX series fuses are available in NH 1XL and NH 3XL case sizes, with amperage ratings ranging from 80A to 1400A and a voltage rating of 1500V DC. The PSR series covers a voltage range of 450V to 1300V AC and 450V to 1000V DC, with amperage ratings from 40A to 2250A. Both series have high interrupting ratings, with the PSX series rated at 250 kA and the PSR series at 100 kA to 200 kA.
Key Features: The fuses offer best-in-class DC performance, are extremely current limiting, and have superior cycling capability. They are globally certified with cURus and CCC approvals and are designed for direct bus-bar mounting. The fuses also feature a low watt-loss design and fast-acting Class aR performance.
Applications: These fuses are suitable for power conversion devices such as UPS, inverters, rectifiers, and drives, as well as DC systems, battery protection applications, electric vehicle charging stations, heaters, and power supplies.
Dimensions and Mounting: The document includes detailed dimensions for different mounting styles (Flush Metric, Bolted Blade, and DIN Blade) for both NH 1XL and NH 3XL case sizes, along with recommended fastener threads and torque specifications.
Electrical Characteristics: Detailed tables provide information on ampere ratings, voltage ratings, interrupting ratings, melting (pre-arc) I2T, total clearing I2T at rated voltage, and watt loss at 100% rated current for various catalog numbers within the PSR series.
Environmental and Compliance: The fuses are RoHS compliant and meet UL248-13 and IEC 60269-4 standards. They are designed to operate in temperatures ranging from -55°C to +125°C and are suitable for storage at temperatures up to +35°C with relative humidity below 65%.
Conclusion: Littelfuse's PSX and PSR series fuses provide optimized circuit protection for modern power conversion devices, ensuring reliability and safety in various industrial applications.
Overview: The document provides technical specifications and guidelines for Littelfuse's PSR series high-speed square body fuses, designed for protecting power semiconductor devices. It includes details on critical characteristics, measurement procedures, and dimensional limitations.
Specifications: The fuses have a voltage rating of 450 V to 1300 V AC and 450 V to 1000 V DC, with an amperage rating from 40 A to 2250 A. They feature an interrupting rating of 100 kA to 200 kA AC and 150 kA DC, and are compliant with UL 248-13 and IEC 60269-4 standards.
Design and Features: The PSR series is designed with bolted blade style termination, suitable for North American markets, and includes visual blown fuse indication with an optional microswitch for external indication. The fuses are optimized for fast-acting Class aR performance, offering best-in-class DC performance, superior cycling capability, and low watt-loss design.
Applications: These fuses are ideal for power conversion devices such as UPS, inverters, rectifiers, drives, DC systems, battery protection applications, electric vehicle charging stations, heaters, and power supplies.
Dimensional Data: The document includes detailed dimensional data for various case sizes (30, 31, 32, 33, 70, 71, 72, 73) with recommended torque values and thread specifications.
Electrical Characteristics: The document provides a comprehensive table of electrical characteristics for different case sizes, including catalog numbers, ampere ratings, voltage ratings, interrupting ratings, melting (pre-arc) I2T, total clearing I2T at rated voltage, watt loss at 100% rated current, and agency certifications.
Revisions: The document lists several revisions with dates and descriptions, indicating updates to dimensions, thread column headers, and the addition of new views and sizes.
Environmental and Compliance: The fuses are RoHS compliant and meet REACH environmental standards, with an operating temperature range of -55 °C to +125 °C and a storage temperature up to +35 °C with relative humidity below 65%.
Overview: The document provides detailed specifications and ordering information for the Littelfuse POWR-SPEED® PSR Series High-Speed Square Body Fuses. These fuses are designed for high-speed applications and are available in various case sizes and configurations.
Specifications: The PSR series fuses are available in different amperage ratings ranging from 315A to 2250A. They are designed to handle voltages up to 1300V AC and 1000V DC, with interrupting ratings of 100 kA and 150 kA. Some models have specific voltage limitations and lack UL certification for DC voltage.
Ordering Information: The fuses are categorized by case size and mounting style, either DIN 80 mm or DIN 110 mm. Each fuse has a unique catalog number and UPC for ordering. The document lists the box quantity for each model, typically 1 or 3 pieces per box.
Dimensions: Detailed dimensions are provided for each case size and mounting style. The dimensions include measurements in millimeters and inches, with recommended fastener sizes and tightening torque values for installation.
Key Notes: - Some models have specific voltage ratings and certifications. - The document includes critical characteristics and process performance indicators for quality assurance. - The fuses are designed for maximum tool life and performance efficiency.
Specifications
The L75QS series high-speed fuses are designed for protecting power semiconductor devices. They have a voltage rating of 750 V DC and an amperage rating ranging from 35 to 800 A. The interrupting rating is 50 kA, and the time constant is 10 ms. The body is made of melamine, and the caps are made of copper alloy. These fuses are UL Recognized and cURus approved, and they comply with RoHS and REACH environmental standards. They are manufactured in Mexico and operate within a temperature range of -55 °C to +125 °C, with a storage temperature limit of up to 35 °C and relative humidity below 65%.
Part Numbering System
The part numbering system for the L75QS series includes the body type, ampere code, series, and package quantity. For example, L75QS700.X indicates a body type L75, series QS, ampere code 700, and package quantity X.
Recommended Fuse Blocks
Recommended fuse blocks for different amperage ratings are LSCR101 (35–100 A), LSCR102 (125–800 A), and LSCR103 (450–800 A).
Description
The L75QS series fuses are designed for fixed installations and are not suitable for moving vehicle applications. They offer optimized circuit protection for modern high-power semiconductor devices, providing balanced performance with lower I2t characteristics to extend longevity and reduce heat energy.
Features
The fuses comply with US and Canadian requirements, have traditional North American bolted style dimensions, and offer 750 V DC performance. They can be mounted directly on a bus-bar or stud and are halogen-free, RoHS, and REACH compliant.
Applications
These fuses are suitable for use in power converters, power supplies, UPS systems, EV charging stations, variable speed drives, and DC common bus applications.
Ordering Information
The document provides a detailed list of catalog numbers, amperage ratings, and package quantities for ordering the L75QS series fuses.
Electrical Specifications
The electrical specifications include details such as the catalog number, amperage rating, voltage rating, interrupt rating, melting I2t, total clearing I2t, and watts loss at 80% and 100% rated current.
Dimensions
The document includes detailed dimensions for the L75QS series, with measurements provided in both millimeters and inches.
Overview: The document provides technical specifications and details for the Littelfuse L70QS series high-speed round body fuses, designed for protecting power semiconductor devices. These fuses are characterized by their high-speed operation and current limiting capabilities, making them suitable for various industrial applications.
Specifications:
  • Voltage Rating: 700 V AC/DC
  • Amperage Rating: 35–800 A
  • Interrupting Rating: 200 kA AC, 50 kA DC
  • Time Constant: 10 ms
  • Material: Body made of melamine, caps made of copper alloy (silver plated)
  • Approvals: UL Recognized, cURus
  • Environmental Compliance: RoHS Compliant, REACH
  • Operating Temperature: -55 °C to +125 °C
  • Storage Temperature: Up to 35 °C with relative humidity <65%
Description: The L70QS series fuses are designed for high-speed protection of power converters, drives, and control circuits. They offer balanced performance with lower I2t characteristics to extend device longevity and reduce heat energy. The fuses are available with universal mounting options to fit various application configurations.
Features:
  • Compliance with US and Canadian standards
  • Traditional North American bolted style dimensions
  • Class aR performance
  • Direct bus-bar or stud mount design
  • Halogen free, RoHS and REACH compliant
Applications:
  • Power converters (inverters, rectifiers)
  • Power supplies
  • UPS systems
  • Variable speed drives
  • Control circuits
  • Soft starters
Recommended Fuse Blocks: LSCR001 (35–100 A), LSCR002 (125–800 A)
Ordering Information: The document includes a detailed table listing the catalog numbers, amperage ratings, voltage ratings, interrupt ratings, and other electrical specifications for each fuse in the L70QS series.
Dimensions: The document provides detailed dimensional drawings and recommended torque specifications for installation.
Critical Characteristics: The document highlights critical characteristics and dimensions that are essential for ensuring process performance and tool life, with specific measurement and tracking procedures defined in Littelfuse inspection instructions.
Overview: The document provides detailed specifications and ordering information for Littelfuse's high-speed round body fuses, specifically the L50QS, L70S, and L50S series. These fuses are designed for high-speed applications, offering protection for modern equipment and systems.
Specifications:
  • L50QS Series: Available in amperage ratings from 35A to 800A, with a voltage rating of 500V AC and 450V DC. The interrupting rating is 200 kAIC for AC and 20 kAIC for DC.
  • L70S Series: Available in amperage ratings from 10A to 800A, with a voltage rating of 700V AC and 650V DC. The interrupting rating is 200 kAIC for AC and 20 kAIC for DC.
  • L50S Series: Similar to the L50QS, with amperage ratings from 10A to 800A, and the same voltage and interrupting ratings.
Materials and Construction: The body of the fuses is made from melamine, and the terminals are copper with silver plating. They are designed for cylindrical mounting for lower amperages and bolted tags for higher amperages.
Operating Conditions: The fuses operate within a temperature range of -55°C to +125°C and should be stored at temperatures up to 35°C with relative humidity below 65%.
Approvals and Compliance: All series are UL and CSA recognized and RoHS compliant. They are manufactured in Mexico.
Features and Benefits:
  • Extremely current limiting
  • Low watt losses
  • Controlled transient over-voltages
  • UL Recognized
Applications: Suitable for AC and DC drives, DC common bus protection, power converters, UPS, and soft-starters. They are intended for fixed installations and not for use in moving vehicle applications.
Ordering Information: Each series has a detailed table listing the catalog number, ordering number, pack quantity, and UPC for each amperage rating. The L50QS and L70S series are available in various pack quantities, ranging from 1 to 10 pieces per box, depending on the amperage.
Dimensions: The document includes detailed dimensions for each amperage rating, ensuring proper fit and installation.
Overview
The document provides detailed technical specifications and ordering information for Littelfuse's high-speed fuses, specifically the L15S and L25S series. These fuses are designed for protecting power semiconductor devices and are suitable for various industrial applications.

Specifications
  • Voltage Ratings: L15S series supports up to 150 V AC and 150 V DC, while the L25S series supports up to 250 V AC and 200 V DC.
  • Ampere Range: L15S series ranges from 1 to 1000 A, and L25S series ranges from 1 to 800 A.
  • Interrupting Rating: L15S series has an AC interrupting rating of 100 kA and DC of 20 kA. The L25S series has an AC interrupting rating of 200 kA and DC of 20 kA.
  • Material: The body is made of melamine, and the cap is copper alloy (silver plated).
  • Environmental Compliance: RoHS compliant, with an operating temperature range of -55 °C to +125 °C.

Ordering Information
The document lists various models with their respective ampere ratings, catalog numbers, ordering numbers, and packaging details. For example, the L15S series includes models like L15S001 to L15S1000, with different packaging quantities based on amperage.

Applications
The fuses are suitable for use in power converters, power supplies, industrial heaters, variable speed drives, battery chargers, and soft starters.

Features/Benefits
  • Compliance with US and Canadian requirements.
  • Traditional North American bolted style dimensions.
  • Class aR performance.
  • Direct bus-bar mount or stud mount design.

Dimensions
The document provides detailed dimensions for different ampere ratings, categorized into figures for easy reference.

Additional Resources
For more information, users are directed to visit Littelfuse's website.
Overview: The document provides technical specifications and details for Littelfuse's L60S and KLC series high-speed fuses, designed for power semiconductor devices rated up to 600 V AC. These fuses are primarily for replacement purposes, with the L70QS series recommended for new designs.
Features and Benefits:
  • Compliance with US and Canadian standards.
  • Traditional North American cylindrical and bolted style dimensions.
  • Class aR performance.
Applications:
  • Small power converters.
  • Power supplies.
  • Control circuits.
Specifications:
  • Voltage Rating: 600 V AC.
  • Ampere Range: 1–800 A.
  • Interrupting Rating: 200 kA rms.
  • Approvals: UL Recognized, CSA Recognized.
  • Operating Temperature: -55 °C to +125 °C.
  • Storage Temperature: Up to 35 °C with relative humidity <65%.
Part Numbering System: The system includes package quantity, series, and ampere code, with specific codes for different amperage ranges.
Recommended Fuse Holders: Includes models 1LFS101/1LFS102 and LSCR001/LSCR002.
Ordering Information: Detailed catalog numbers, ordering numbers, and packaging details for both L60S and KLC series fuses are provided.
Dimensions: The document includes detailed dimensions for various ampere ratings in both series, with figures illustrating the dimensions.
LSCR Series High-Speed Fuse Blocks:
  • Designed for a wide range of high-speed and UL power fuses.
  • Features a modular stud-type design for easy mounting.
  • Specifications include voltage ratings of 700 V, 1000 V, and 1500 V, and ampere ratings of 400 A, 800 A, and 1200 A.
  • Approvals include UL Recognized and CSA Certified.
Disclaimer: Users are advised to independently evaluate the suitability of the products for their applications, as Littelfuse products are not designed for all applications.
Overview: The document provides technical specifications and layout details for the TLS series of telecom power fuses by Littelfuse, Inc. These fuses are designed for telecommunications applications and are available in various mounting styles including vertical, leaded, bolt-in, and solder mounts.
Specifications: The TLS series includes models with amperage ratings ranging from 15A to 125A. Each model is identified by a unique code, such as TLS015V for a 15A vertical mount fuse. The document specifies dimensions in both millimeters and inches, adhering to ANSI Y14.5M-1994 standards for dimensioning and tolerancing.
Mounting Options: The fuses are available in several configurations:
  • Vertical (V): Designed for vertical mounting.
  • Leaded (L): Features leads for through-hole mounting.
  • Bolt-In (LB, LR): Secured using bolts, suitable for high-vibration environments.
  • Solder (LS, LSE, LSA, MB): Designed for soldering onto a PCB.
Dimensions and Layouts: Detailed drawings provide dimensions for each fuse type, including critical characteristics for safety and compliance. The document includes pad layouts for solder mount versions, ensuring proper installation and performance.
Soldering Profile: The lead-free soldering profile specifies pre-heat and reflow temperatures, with a maximum temperature of 280°C and a total process time of 250 seconds.
Recommendations: For bolt-in versions, the document recommends using #8 slotted hex washer head machine screws with a torque of 10 in-lb to ensure secure installation.
Compliance and Safety: The document highlights critical characteristics for part safety and compliance, indicating that dimensions must be within specified tolerances to ensure maximum tool life and process performance.
Tolerancing and Specifications:
The document specifies that tolerancing should be interpreted in accordance with ANSI Y14.5M-1994. Critical characteristics are denoted, indicating essential features for part safety and compliance. CPK and CP dimensions are highlighted, with minimum values required to ensure process performance. Measurement and tracking procedures are to be defined in Littelfuse inspection instructions.
Dimensional Details:
Dimensions are provided in millimeters, with inches in brackets. The document includes specific measurements for various components, ensuring they fall within dimensional limitations for optimal tool life.
Hardware and Assembly:
Recommended hardware includes a #8 slotted hex washer head machine screw with a torque specification of 10 in-lb. The document outlines the bolt-in mount for the LB version.
Revisions and Updates:
Several revisions are noted, with dates and descriptions of changes, such as the addition of tolerances and release notes.
Cross Reference Guide:
The document includes a cross-reference guide for high-speed fuses, comparing Littelfuse products with competitor products. It advises checking specifications before making substitutions and provides a disclaimer regarding the accuracy and reliability of the information.
Global Resources and Support:
Littelfuse offers global resources, including technical support and customer service contacts across North America, Asia, and Europe. The document emphasizes the availability of technical resources and support for product selection and application.
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Catalog excerpts

HIGH-SPEED SEMICONDUCTOR-1

HIGH-SPEED SEMICONDUCTOR PRODUCTS CATALOG HIGH-SPEED FUSES FUSE BLOCKS & HOLDERS SPECIAL PURPOSE FUSES

 Open the catalog to page 1
HIGH-SPEED SEMICONDUCTOR-2

Battery Protection Fuses PSX Series with microswitch Battery protection requires higher dc voltage, dc current and interrupting rating fuses then other applications. These specialty fuses deliver high-speed protection at the increased voltage coupled with better interrupting ratings, to prevent costly catastrophic failures due to overcurrents.

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HIGH-SPEED SEMICONDUCTOR-3

High-Speed Semiconductor Fuses Catalog TABLE OF CONTENTS

 Open the catalog to page 3
HIGH-SPEED SEMICONDUCTOR-4

Silver-Plated Copper Alloy End Bells Fiberglass Melamine Body 100% Pure Silver Elements Stone-Sand Filled *not shown Drill Pins OPTIMIZED FOR PERFORMANCE AND EFFICIENCY POWR-SPEED high-speed fuses are optimized for performance and efficiency to better protect your critical power semiconductors against short circuits. These certified fuses are reliable and fast-acting to help extend the life of your equipment. The POWR-SPEED high-speed fuses are easy to retrofit as drop-in replacements where similar products are currently used. Plus, custom designs are available if you need a specific fuse for...

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HIGH-SPEED SEMICONDUCTOR-5

Semiconductor Fuses Copper Alloy End Plates Silver-Plated Copper Alloy End Bell Alumina High-Grade Ceramic Body Stone Sand Silver-Copper Through-Lay Elements 100% Pure Silver Element Bridges Extremely Current Limiting Reduces peak let-through current and let-through energy (I2t) to protect semiconductor components and devices Saves energy wasted during operation Resilient Labeling* Laser etched resistance values eliminate labels that erode over time All Ratings Published on Label** Eliminates confusion when replacing and inspecting Universal Blade Mounting Quick and easy field replacement Flexibility...

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HIGH-SPEED SEMICONDUCTOR-6

POWR-GARD® Blocks & Holders LSCR SERIES HIGH-SPEED FUSE BLOCKS POWR-SPEED ® Fuses PSX Series High-Speed PSX SERIES HIGH-SPEED SQUARE BODY 1 of 4 Fast acting, high speed aBat performance in smallest package size on the market Specifications Voltage Rating Ampere Rating Withstand Rating Approvals Littelfuse LSCR series is a comprehensive line of modular fuse blocks, designed to accommodate a wide range of high-speed and UL power fuses. These LSCR series blocks have a modular stud-type design that enables easy mounting in panel boards. Material Base Terminal Construction Flammability Rating Environmental...

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HIGH-SPEED SEMICONDUCTOR-7

PSX Series Fuses FEATURES Prevents energy loss, more efficient, minimizes wasted power from components Compact size Facilitates design of smaller or more compact high energy density systems Visual indication is standard Easily detectable in the event of a fault High dc voltage rating to 1500 V dc Protection for highest rated dc battery energy storage systems in the market Facilitates design of long duration battery energy storage systems Three terminations Allows more versatility with mounting configurations Low minimum breaking capacity Offers protection for lower levels of fault current Download...

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HIGH-SPEED SEMICONDUCTOR-8

POWR-SPEED ® Fuses Fuse POWR-SPEED ® ESR Series High-Speed Square Body ESR SERIES HIGH-SPEED SQUARE BODY Battery Protection Fuses • 1500 V Dc • Class aBat • 125 A Description The Littelfuse Energy Storage Rack (ESR) series of fuses is designed specifically to protect battery racks in energy storage systems, inverters, and many other dc applications. The 1500 V dc high-speed square body fuse is extremely fast-acting to respond quickly to a range of fault currents to safeguard the battery module or other devices. This Class aBat partial range fuse has superior short circuit protection and a low...

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HIGH-SPEED SEMICONDUCTOR-9

POWR-SPEED ® Fuses Fuse POWR-SPEED ® ESR Series High-Speed Square Body ESR SERIES HIGH-SPEED SQUARE BODY Specifications Voltage Rating Amperage Rating Interrupting Rating Time Constant Bolted-blade style, DIN-blade style Body: ceramic Contacts: plated copper (bladed) Applicable Standards RoHS Compliant, REACH, Halogen Free Operating Temperature Storage Temperature Up to +35 °C with relative humidity <65 % Certification & Compliance cURus cURus Recognized (File: E71611) RoHS 2 Directive 2011/65/EU Directive (EU) 2015/863 Ordering Information CATALOG NUMBER ESR1XLDB0125 ESR1XLUB0125 Electrical Specifications...

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HIGH-SPEED SEMICONDUCTOR-10

POWR-SPEED ® Fuses Fuse POWR-SPEED ® ESR Series High-Speed Square Body ESR SERIES HIGH-SPEED SQUARE BODY REVISION REV DESCRIPTION REVISION 525xxxGCP - RELEASE MRY DESCRIPTION MOUNTING SPECS: MOUNTING SPECS: RECOMMENDED FASTENER: M10 OR 3/8" RECOMMENDED FASTENER: M12 OR 1/2" TIGHTENING TORQUE (REFERENCE ONLY): 26Nm TIGHTENING TORQUE (REFERENCE ONLY): 64Nm MOUNTING SPECS: RECOMMENDED FASTENER: M10 OR 3/8" TIGHTENING TORQUE (REFERENCE ONLY): 26Nm RECOMMENDED FASTENER: M10 OR 3/8" TIGHTENING TORQUE (REFERENCE ONLY): 26Nm MOUNTING SPECS: DENOTES CRITICAL CHARACTERISTICS. CRITICAL CHARACTERISTIC FOR...

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HIGH-SPEED SEMICONDUCTOR-11

® POWR-SPEED ® Fuses Fuse PSX SERIES HIGH-SPEED SQUARE BODY Battery Protection Fuses • 1500 V Dc Class aBat • 80 A–1400 A Specifications Voltage Rating Amperage Rating Interrupting Rating Time Constant Microswitch Mounting Material Description Littelfuse PSX series 1500 V dc high-speed square body fuses are specially designed to protect battery energy storage systems (BESS), photovoltaic inverters, and many dc applications such as dc common bus systems, larger industrial regenerative drives, rectifiers and metal processing equipment. The PSX series fuses are extremely fast-acting, offering high-speed...

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HIGH-SPEED SEMICONDUCTOR-12

POWR-SPEED® Fuses Fuse PSX SERIES HIGH-SPEED SQUARE BODY Electrical Characteristics CASE SIZE VOLTAGE TOTAL CLEARING AGENCY INTERRUPTING MINIMUM WATTS LOSS RATING I2T (A 2S) AT MELTING CERTIFICATION RATING AT 100% BREAKING (V) (PRE-ARC) RATED VOLTAGE RATED CAPACITY I2T (A 2S) CURRENT (W) (A) DC DC DC cURus 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 1500 Ordering Information CASE SIZE 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box 1 pc/box...

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