K075541 Ferraz Shawmut - Fuse

K075541 Description

K075541 is a 250 V, 525 A semiconductor fuse made by Mersen. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

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Summary of Features

Target Applications

Ferraz Shawmut K075541 is used for protection of power semiconductors (diodes, thyristors, IGBT modules) in rectifiers, AC drives, soft starters, UPS systems and other power electronic equipment with AC supply up to 250 V.

Key Specifications

Mersen (Ferraz Shawmut) K075541 is a Protistor BS88-4 semiconductor protection fuse, size 36x27, 525 A, 250 VAC, class aR, without trip indicator (designation URGG 36/525; catalog number BS36UG25V525). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS36UG25V525
Reference number	K075541
Designation	URGG 36/525
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	525 A
Utilization class	aR
Size	36x27
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	48200 A²s
Total clearing I²t at 250 V	245000 A²s
Watts loss at 0.8 IN / IN	33.2 W / 66.4 W
Trip indicator	without trip indicator
Minimum operating voltage for trip indicator	20 V
Weight (approx.)	170 g

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