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POWRGARD Electrical Product Catalog

POWRGARD Electrical Product Catalog

Product catalog summary

Overview: The POWR-GARD® Products Catalog by Littelfuse is a comprehensive guide to electrical protection products, including fuses, surge suppression, and solar products. It assists users in selecting appropriate circuit protection solutions for various applications.

Specifications and Standards: Littelfuse products are certified to multiple global standards. Users should refer to product datasheets on Littelfuse.com for specific certifications. The catalog emphasizes evaluating product suitability for specific applications.

Product Categories:

Fuses: Includes Class L, RK1, RK5, J, T, G, CC/CD, and medium voltage fuses, detailed with specifications like voltage, current, and interrupting ratings.
Solar Products: Designed for photovoltaic applications, addressing heat and efficiency issues. Includes 1500 Vdc and 1000 Vdc solar fuses and holders.
High-Speed Fuses: For applications requiring rapid response to overcurrent conditions.
Fuse Blocks and Holders: Various types to accommodate different fuse classes and applications.

Technical Resources: Littelfuse provides extensive online resources, including datasheets, manuals, and application guides. A technical hotline is available for support.

New Products: Highlights include POWR-SPEED® High-Speed Fuses and 1500V Solar Fuses & Holders.

Application and Field Support: Littelfuse offers support from design to installation, ensuring optimal product selection and application.

Key Features:

Advanced protection with POWR-PRO® fuses offering superior current-limitation and coordination with motor circuits.
Blown fuse indication for certain series, enhancing safety and maintenance efficiency.

Conclusion: The POWR-GARD® catalog is a vital resource for selecting and applying Littelfuse's electrical protection products, ensuring safety and efficiency in various industrial and commercial applications.

Protection Relays & Controls: Littelfuse has expanded its line of protection relay products, incorporating over 1000 MotorSaver, PumpSaver, and SSAC parts for industrial applications like pumping, irrigation, and HVAC/R.

LCP Series Coordination Panel: Ideal for circuits requiring selective coordination, such as emergency lighting, meeting NEC requirements.

LPS Series POWR-Switch: A fusible shunt trip disconnect switch designed for easy coordination with system overcurrent protection.

Technical Data: Includes tables and curves illustrating the current-limiting effects of various fuses, providing data on short-circuit current ratings and dimensions for different fuse series.

Branch Circuit Protection: Features include branch circuit rated, current-limiting, 100 kA interrupting rating, and 600 VAC rated for 1/2-20 A.

CCMR Series Fuses: Designed for motor protection, withstanding sustained starting currents of small motors.

KLDR/KLKR Series Fuses: Fast-acting fuses for general purpose branch circuit protection and time-delay fuses for protecting control transformers.

Supplemental Fuses: Various series detailed with voltage ratings, interrupting ratings, and applications.

Web Resources: Additional technical information, CAD drawings, and ordering details are available on the Littelfuse website.

Medium Voltage Fuses: Designed for voltages ranging from 2,400 to 38,000 Vac, with specific applications in power transformer protection and motor controller back-up protection.

R-Rated Medium Voltage Fuses: Provide short-circuit protection for medium voltage motors and controllers.

E-Rated Medium Voltage Fuses: Offer current-limiting protection for transformers and other equipment.

Ordering and Specifications: Detailed specifications for various fuse models, including dimensions, maximum continuous current, and interrupting ratings.

Solar Rated Products: Littelfuse offers a range of fuses for photovoltaic systems, addressing global solar market challenges.

SPXV Series Solar Fuse: 1500 Vdc, 6-30 A, with a 15-50 kA interrupting rating.

SPXI Series In-Line Solar Fuses: 1500 Vdc, 2.5-30 A, designed for integration into wire harnesses.

SPNH Series Solar Fuse: 1500 Vdc, 50-400 A, designed for PV inverter protection and array combiner applications.

SPF Series Solar Fuses: 1000 Vdc, 1-30 A, designed for PV systems to protect against reverse-overcurrent conditions.

SPFJ Series Solar Fuses: 1000 Vdc, 70-450 A, available in Class J case sizes for both fuse holder and busbar mounting.

Special Purpose Fuses: Designed for low voltage battery-operated equipment like lift trucks and pallet movers.

PSR Series High-Speed Square Body Fuses: Designed for the protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, and MOSFETs.

Features and Benefits: Best in Class DC performance, extremely current limiting, superior cycling capability, and global certifications.

Applications: Power Conversion Devices, DC Systems, Battery Protection Applications, Electric Vehicle Charging Stations.

Electrical Characteristics: Detailed specifications for various case sizes, including amperage ratings, voltage ratings, interrupting ratings, and watt loss at 100% rated current.

Dimensions and Mounting: Detailed dimensions and mounting specifications for different case sizes, with recommended torque values for stud sizes.

Additional Product Information: Describes the L50QS Series High-Speed Round-Body Fuses, designed for similar applications but in a traditional North American bolted style package.

S Series High-Speed Fuses: Designed for high-speed applications with voltage ratings of 700 Vac and 650 Vdc, and current ratings ranging from 10 to 800 A.

Specifications: Interrupt rating of 200 kA at 700 Vac and 20 kA at 650 Vdc.

Part Numbering System: Explained for the series, followed by the amp code and package quantity.

Dimensions: Detailed dimensions for each ampere rating, categorized into different figures for clarity.

Traditional High-Speed Fuses: Additional specifications for other series such as L15S, L25S, L60S, and 0KLC.

Fuse Blocks and Holders: Overview of Littelfuse's fuse blocks, highlighting features such as reduced footprint, indication for safety, universal mounting holes, and DIN rail mountability.

LF Series Indicating Fuse Blocks: Offer space savings and ease of installation with features like DIN-rail mounting and indication functionality.

LF Series Class J Fuse Blocks: Designed for 600 V applications, offering space-saving designs and features like universal mounting holes and reinforced fuse clips.

POWR-GARD® Fuse Blocks: Focus on Class J, R, H/K5, and T fuse blocks, including technical specifications, features, benefits, and ordering details.

Specifications: Available for different voltage ratings (250 V, 300 V, 600 V) and ampere ratings (0-600 A).

Features and Benefits: Universal mounting holes, snap-to-release DIN rail mounting, and reinforced fuse clips.

Ordering Information: Detailed ordering information for each class of fuse block, including ampere ratings, pole configurations, torque specifications, terminal wire range, wire type, base temperature rating, and cover ordering numbers.

Dimensions: Detailed dimensional drawings for each class and rating of fuse blocks.

Web Resources: Additional technical information, CAD drawings, and datasheets can be accessed through the Littelfuse website.

LPXV Touch-Safe Fuse Holders: Designed for 1500 V, 30 A fuses with a SCCR rating of 15 kA.

LFPXV Touch-Safe Fuse Holders: Similar to LPXV but with a higher SCCR rating of 50 kA.

LFJ1000 Series Solar Fuse Blocks: Designed for 1000 V solar fuses, available in various amperages (200, 400, 450 A).

LPHV POWR-SAFE Fuse Holders: Suitable for 1000 VDC fuses, offering touch-safe design and available in multiple pole configurations.

LPSC/LPSM POWR-SAFE Fuse Holders: Designed for 600 V fuses, available in indicating and non-indicating options.

LFPSJ POWR-SAFE Dead Front Class J Fuse Holders: Provides protection for 600 V fuses with IP20 protection and dual LED indication for DC applications.

Features/Benefits: Finger-safe design, no tools required for fuse removal, compact and DIN rail mountable.

Ordering Information: Detailed ordering numbers and configurations are provided for each product type.

Web Resources: Additional technical documents and datasheets can be downloaded from the Littelfuse website.

Bus Bar System: Designed for safe power distribution to multiple fuse holders, featuring a touch-safe design, compact size, and compatibility with 35 mm DIN Rail.

Specifications: Supports voltage ratings of 600 Vac/dc and 1000 Vdc, with current ratings varying based on configuration.

Accessories: Various accessories such as endcaps and power feed lugs, with specific part numbers and configurations for different phase setups.

LPSM Quick Connect POWR-SAFE Fuse Holders: Designed for quick installation and feature dual quick connect terminals.

354 Series 3AG Omni Block®: Low-profile fuse block with individual barriers for enhanced protection.

Fuse Pullers & POWR-JAW Clip Clamps: Ergonomically designed fuse pullers and clip clamps that improve contact and reduce heat-related issues.

LFFB Series Limiter Block / LHFB Inline Holder: Designed for bolt-down style limiter fuses, suitable for low-voltage battery equipment.

571 & 572 Series Panel-Mount Fuse Holders: Designed for quick installation and feature a snap-mount design.

342 Series 3AG Panel Mount Fuse Holders: Traditional panel mount fuse holders with various terminal options.

Specifications: Key specifications include panel thickness, molded parts, knob style, terminals, ambient temperature range, electrical rating, dielectric strength, and mounting torque.

Procedures and Recommendations: Recommends using 3AG cartridge fuses and provides ordering information for various fuse holders and blocks.

Standards and Approvals: Products comply with various standards and approvals, including UL, CSA, and VDE certifications.

Features and Benefits: Anti-tease feature, multiple knob styles, drip-proof options, modular design, and high short-circuit withstand rating.

Technical Data and Drawings: Includes technical data, CAD drawings, and dimensions for various products.

TOUCH-SAFE POWR-BLOKS Global Distribution Blocks: Designed to enhance safety and efficiency in electrical distribution, meeting UL standards.

Specifications: Voltage Rating: 600 VAC/VDC, Ampere Rating: 80 – 335 A, Material: Thermoplastic with brass or aluminum connectors.

Electrical Specifications: Detailed specifications for various models, including pole numbers, amp ratings, wire ranges, and overcurrent protection requirements.

Mechanical Specifications: Detailed mechanical specifications for each model, including connection types, wire ranges, and torque requirements.

Applications: Suitable for a wide range of applications, including street lighting, sports lighting, and various outdoor electrical circuits.

Additional Features: Watertight seal and a variety of termination options for flexible design.

Ordering Information: Includes detailed ordering information, including catalog numbers and standard pack sizes.

BVSP Series Surge Protection Device: Rated at 600 Vac with a 10 kA surge withstand capability.

Features and Benefits: Offers current limiting under AC short-circuit conditions and is available in ferrule and PCB configurations.

Applications: Primary applications include transient voltage surge suppression (TVSS) products and surge arrestors.

Fuse Reducers: Allow smaller fuses to fit into existing clips, preventing overfusing.

Miscellaneous Accessories: Includes various accessories like box cover units for motor protection, fuse replacement kits, and display cabinets.

Technical Application Guide: Provides fundamentals on overcurrent protection, explaining the importance of protecting electrical systems from overcurrents.

Ordering Information: Detailed ordering information is provided for each product, including catalog numbers and package quantities.

Selection Considerations: Discusses the importance of selecting the appropriate fuse based on ambient temperature, current limitation, physical size, and indication features.

General Fusing Recommendations: Recommendations for selecting fuses with ampere ratings from 1/10 to 6,000 amperes.

Selection Considerations for Fuse Holders: Emphasizes the importance of selecting the correct fuse holder, considering factors such as current rating, voltage rating, interrupting rating, physical size, and indication.

Circuit Protection Checklist: A checklist to guide the selection of overcurrent protective devices.

Fuse Characteristic Curves and Charts: Explains the use of time-current curves and peak let-through charts to represent fuse performance.

Introduction to Peak Let-through Charts: Essential tools for determining if a specific fuse can adequately protect equipment.

Using the "Up-Over-and-Down" Method: Involves tracing the available fault current on the chart to determine if a fuse can limit the current to a safe level.

Applications and Limitations: Suitable for providing backup short-circuit protection to large air power circuit breakers.

Short-Circuit Current Rating (SCCR): NEC mandates that Industrial Control Panels display their SCCR to ensure compatibility with available fault currents.

Selective Coordination: Ensures that only the overcurrent device closest to the fault opens, minimizing service disruption.

Fuse Selectivity: Achieved by ensuring that the total clearing I2t of a smaller fuse is less than the melting I2t of a larger fuse.

NEC Requirements: Requires that overcurrent protective devices be coordinated with the equipment's short-circuit ratings.

Pre-Engineered Solutions: Littelfuse offers pre-engineered solutions that comply with NEC requirements for various applications.

Conclusion: Understanding and applying the principles of fuse coordination and selective coordination are essential for designing safe and reliable electrical systems.

Fuse Classes and Specifications: Detailed specifications for various fuse classes, including Class K, J, G, RK1, RK5, T, CC/CD, and H.

Supplementary Overcurrent Protection: Includes micro fuses, miniature fuses, and miscellaneous cartridge fuses.

Special Purpose Fuses: Designed for specific electrical or electronic equipment protection.

Specifications and Definitions: Includes definitions for current limiting fuse, current transformer, DFT harmonic filter, dual-element fuse, ground-fault protection, and high-resistance grounding.

Procedures and Recommendations: Includes electrical hazard analysis, flash hazard analysis, insulation monitoring, and motor protection.

Standards and Norms: Refers to NEC and IEEE Device Numbers.

Key Terms: Includes interrupting capacity, peak let-through current, and prohibited approach boundary.

Critical Information: Includes fail-safe mode, ground continuity monitor, and rejection feature.

Grounding Systems: Discusses different grounding systems, including solidly grounded and ungrounded systems.

Approach Boundaries: Restricted Approach Boundary is a safety measure to protect personnel from electrical shock.

Selective Coordination: Ensures that only the protective device immediately upstream of an overcurrent opens.

Semiconductor Fuses: Designed to protect semiconductor devices like silicon rectifiers and transistors.

Short-Circuit and Current Ratings: Explains short-circuit currents and defines Short-Circuit Current Rating (SCCR) and Short-Circuit Rating.

Symmetrical and Asymmetrical Currents: Symmetrical currents have equal peak values above and below the zero axis, while asymmetrical currents do not.

Threshold Current and Ratio: Threshold current is the minimum current at which a fuse becomes current-limiting.

Time-Delay Fuses: Have a built-in delay to withstand temporary overcurrents.

Motor Protection: Provides guidelines for selecting fuses for motor protection based on motor horsepower and full load amperes (FLA).

Catalog excerpts

POWR-GARD PRODUCTS CATALOG POWR-GARD PRODUCTS CATALOG ® Littelfuse World Headquarters 8755 West Higgins Road, Suite 500 Chicago, IL 60631, USA Technical Support: Tel: +1-800-TEC-FUSE E-mail: [email protected] Customer Service: Tel: +1-800-227-0029 E-mail: [email protected] Fax: +1-847-787-5190 Littelfuse SymCom 222 Disk Drive Rapid City, SD 57701, USA Technical Support: Tel: +1-800-832-3873 E-mail: [email protected] Customer Service: Tel: +1-800-227-0029 E-mail: [email protected] Fax: + 1-605-348-5685 Littelfuse Startco 3714 Kinnear Place Saskatoon, SK S7P 0A6 Canada Tel: +1-306-373-5505 Fax: +1-306-374-2245 E-mail: [email protected] UL GENERAL INDUSTRIAL FUSES Littelfuse products are certified to many standards around the world. To check certifications on specific product please refer to the product datasheet on Littelfuse.com. Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to changes without notice. Visit Littelfuse.com for the most up-to-date technical information. Disclaimer Notice – Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/product-disclaimer. BLOCKS & HOLDERS HIGH-SPEED FUSES MEDIUM VOLTAGE FUSES PRE-ENGINEERED PANELS & SWITCHES AUTOMOTIVE & ELECTRONIC FUSES SOLAR PRODUCTS SURGE SUPPRESSION PRODUC

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NEW POWR-SPEED High-Speed Fuses ® Local Resources for a GLOBAL Market Kaunas Amsterdam Saskatoon Bellingham Rapid City Chicago Champaign Piedras Negras Muzquiz Lauf Ozegna Lake Mills Troy Boston Deventer Bremen Essen Legnago Beijing Wuxi Suzhou Dongguan Shenzhen Eagle Pass Matamoros Seoul Shanghai Kunshan Taipei Chu-pei Hong Kong Tsukuba Tokyo Lipa City NEW 1500V Solar Fuses & Holders Protection Relays & Controls Catalog (PF130N) The comprehensive line of electronic and microprocessorbased protection relays, timers, and flashers safeguard equipment and personnel to prevent expensive damage, downtime...

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Advanced Protection and Facility Savings Material Reduction Opportunity Program Increase safety with POWR-PRO® Fuses ECU PRO*- • Superior current-limitation from 1/io - 6000 amperes • Type 2 "No Damage" coordination with NEMA and IEC motor circuits • Blown fuse indication (LLSRK_ID and JTD_ID Series) • Compact motor protection (JTD/JTD_ID, CCMR Series) • 300,000 AIR to meet trends toward higher SCCR Look for the POWR-PRO® logo (or green fuse label) for superior protection Increase safety and reduce inventory with MROplus Your detailed reports will include: • A streamlined current-limiting fuse...

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This catalog incorporates our line of products designed specifically for the growing solar industry. As global standards are constantly changing, Littelfuse continues to develop circuit protection products that meet the requirements of the evolving photovoltaic market. Look for this logo to indicate products that are used in solar applications. Visit our website littelfuse.com/solar for the latest updates on approvals, certifications, and new products.

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FINDING RELAYS IS EASIER THAN EVER! Expanding our Line of Protection Relay Products SymCom and SSAC the names you know and trust for Motor Protection, Pump Protection, and Timers have officially become part of the Littelfuse family. Over 1000 MotorSaver, PumpSaver, and SSAC parts have been added to Littelfuse.com. These robust products are used to control and protect applications in the Industrial Pumping, Irrigation, Water and Waste Water, HVAC/R, Oil and Gas, Food and Beverage, and Elevator markets. Find all of our new and updated product pages at littelfuse.com/protection-relays. PROTECTION...

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Meet NEC Requirments And Save Time With Pre-Engineered Solutions ® LCP Series Coordination Panel Ideal for circuits that require selective coordination such as emergency lighting circuits or essential electrical systems. Individual fusible shunt trip disconnect switch easily coordinates with system’s overcurrent protection. Typical applications include elevator circuits. • Meets NEC® requirements • Pre-engineered single unit makes procurement easy • Class CC & J fuse holders have open-circuit indication • Reduces labor costs up to 66% • Fast-acting fuses protect against short circuits • Flexibility...

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Section Overview Since 1927 Littelfuse® has been providing fuses to the industrial market. You can continue to count on our manufacturing and supply chain processes to deliver high quality fuses when you need them. At Littelfuse we leverage our global reach to stay on top of the latest applications and standards. Whether your circuit protection needs are focused on OEM, MRO, or construction, we are committed to being your circuit protection partner and appreciate your business. © 2018 Littelfuse POWR-GARD® Products Catalog

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Littelfuse* Expertise Applied | Answers Delivered Description KLPC series POWR-PRO® fuses meet or exceed the most stringent project specifications, including silver links, silver-plated copper end bells, glass-reinforced melamine bodies, O-ring seals between body and end bells, and granular quartz fillers. Ordering Information AMPERE RATINGS Applications • Switchboard mains and feeders • Motor control center mains • Large motor branch circuits • Protection of power circuit breakers Features/Benefits • POWR-PRO® Performance • Best-in-class time-delay withstand • Current-Limiting • Easily coordinated...

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POWRGARD Electrical Product Catalog

POWRGARD Electrical Product Catalog

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