Expertise Applied | Answers Delivered Battery POWR-SPEED® PRODUCTS HIGH-SPEED FUSES FUSE BLOCKS & HOLDERS MICROSWITCHES SPECIAL PURPOSE FUSES

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High-Speed Semiconductor Fuses Catalog TABLE OF CONTENTS

Introducing POWR-SPEED High-Speed ® 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 These certified high-speed fuses are optimized for performance and efficiency to better protect your critical power semiconductors against short circuits. How is POWR-SPEED better? Backed by over 40 years of experience, Littelfuse engineered the POWR-SPEED line to help you protect critical power electronics from overcurrents that may cause damage to your equipment. High-speed fuses are reliable,...

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 *Round-body style only **Square-body style only Expertise Applied | Answers Delivered

PSR SERIES HIGH-SPEED SQUARE BODY Semiconductor Fuses • Flush End • 40 A-2000 A us (®) C€ Specifications Voltage Range Amperage Range Interrupting Range Time Constant Microswitch Mounting Material Approvals Description Littelfuse PSR series high-speed square body fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid state devices that are typically designed into power conversion and power conditioning equipment. Variable frequency drives, inverters, UPS, rectifiers, and soft-starters are examples of typical equipment...

PSR SERIES HIGH-SPEED SQUARE BODY Littelfuse Expertise Applied | Answers Delivered

PSR SERIES HIGH-SPEED SQUARE BODY Electrical Characteristics (cont.) Littelfuse.com/powr-sp tied ©2019 Littelfuse, Inc. Littelfuse Expertise Applied | Answers Delivered

® POWR-SPEED ® Fuses Fuse RECOMMENDED TORQUE FL METRIC THREAD SQUARE BODY PSR G SERIES HIGH-SPEED FS INCHES THREAD M4x0.7 THREAD 10.00 (.394) STUD LENGTH VISUAL INDICATOR M4x0.7 THREAD 10.00 (.394) STUD LENGTH DENOTES CRITICAL CHARACTERISTICS. CPK DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE DENOTES A CHARACTERISTIC THAT PROVIDES AN INDICATION OF PROCESS PERFORMANCE. PROCEDURE FOR MEASUREMENT AND TRACKING TO BE DEFINED IN LITTELFUSE INSPECTION INSTRUCTIONS. DENOTES CP DIMENSIONS, -MINIMUM CP VALUE MUST BE WITHIN THE DIMENSIONAL LIMITATIONS SHOWN ON DRAWING AND INITIALLY LOCATED TO ALLOW FOR MAXIMUM...

PSR SERIES HIGH-SPEED SQUARE BODY BOLTED BLADE Semiconductor Fuses • Bolted Blade • 40 A—2000 A ££ |RoHS Specifications Voltage Rating Amperage Rating Interrupting Rating Time Constant Microswitch Mounting Material Approvals Environmental Operating Temperature Storage Temperature Country of Origin - Packing Quantity X = (1 pc/box) Z = (3 pcs/box) Amperage Description Littelfuse PSR series high-speed square body fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically designed into...

PSR SERIES HIGH-SPEED SQUARE BODY BOLTED BLADE Electrical Characteristics Littelfuse.com/powr-sp tied ©2019 Littelfuse, Inc. Littelfuse Expertise Applied | Answers Delivered

PSR SERIES HIGH-SPEED SQUARE BODY BOLTED BLADE Electrical Characteristics (cont.) Littelfuse.com/powr-sp tied ©2019 Littelfuse.Inc.

® POWR-SPEED ® Fuses Fuse PSR SERIES HIGH-SPEED SQUARE BODY BOLTED BLADE M M4x0.7 THREAD 10.00 (.394) STUD LENGTH VISUAL INDICATOR M4x0.7 THREAD 10.00 (.394) STUD LENGTH DIMENSIONS MM (IN) CASE SIZE MOUNTING STYLE RECOMMENDED FASTENER DENOTES CRITICAL CHARACTERISTICS. DENOTES CPK DIMENSIONS, -MINIMUM CPK VALUE UNLESS 135.0 [OTHERWISE SPECIFIED, DIMENSIONSDO NOT MILLIMETERS, DIMENSIONS IN 73.5 73.5 ARE IN INCLUDE PLATING. TOLERANCING 79.5 36.0 BRACKETS ] ARE INCHES DIMENSIONING AND TO BE(2.89) INTERPRETED IN ACCORDANCE WITH ANSI(3.13) Y14.5M-1994 (5.32) (2.89) (1.41) DENOTES A CHARACTERISTIC THAT...

PSR SERIES HIGH-SPEED SQUARE BODY DIN BLADE Semiconductor Fuses • DIN 43653 Blade • 40 A—2000 A Specifications Voltage Rating Amperage Rating Interrupting Rating Time Constant Microswitch Mounting Material Approvals Environmental Operating Temperature Storage Temperature Country of Origin - Packing Quantity X = (1 pc/box) Z = (3 pcs/box) Amperage Description Littelfuse PSR series high-speed square body fuses are specially designed for protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically designed into power conversion...

PSR SERIES HIGH-SPEED SQUARE BODY DIN BLADE Electrical Characteristics Littelfuse.com/powr-sp tied ©2019 Littelfuse.Inc.

PSR SERIES HIGH-SPEED SQUARE BODY DIN BLADE Electrical Characteristics (cont.) Littelfuse.com/powr-sp tied ©2019 Littelfuse, Inc.

PSRSERIES HIGH-SPEED SQUARE BODY DIN BLADE Expertise Applied | Answers Delivered 15 of 52 Littelfuse iom/powr-sp eed © 2019 Littelfuse, Inc.

L75QS SERIES HIGH-SPEED ROUND BODY HFcWusC€ 750 V dc • Very Fast Acting • 35-800 A Specifications Voltage Rating Amperage Rating Interrupting Rating Time Constant Material Approvals Environmental Country of Origin Operating Temperature Storage Temperature Description The L75QS series is a next generation high-speed fuse for the protection of power semiconductor devices and is designed in the traditional round body bolted style package. L75QS series high-speed fuses rated at 750 V dc are extremely current limiting and are used to protect power converters, drives and control circuit applications....

® POWR-SPEED ® Fuses Fuse L75QS SERIES HIGH-SPEED ROUND BODY Electrical Specifications CATALOG NUMBER AMPERAGE RATING VOLTAGE RATING INTERRUPT RATING WATTS LOSS AT 80 % RATED CURRENT WATTS LOSS AT 100 % RATED CURRENT Ordering Information SERIES AMPERAGE RATING AMPERE CODE CATALOG NUMBER ORDERING NUMBER PACK QUANTITY Littelfuse.com/L75QS © 2019 Littelfuse, Inc. Littelfuse.com/powr-speed Rev: 1-B-073119 © 2019 Littelfuse, I