K075541Ferraz Shawmut - Fuse

K075541 Description

The Mersen K075541 is a semiconductor fuse rated at 250 V and 525 A. Components of this type are commonly used in overcurrent protection of power semiconductors and power-electronic circuits.

USComponent supplies power semiconductors and industrial electronic components to engineers, OEMs and maintenance teams worldwide, including legacy and hard-to-find part numbers. Please confirm ratings, package and pin-out against the manufacturer's datasheet before ordering, and request a quote for current pricing and lead time on the K075541.

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

Download K075541 Datasheet

K075541 PDF Datasheet