L075542Ferraz Shawmut - Fuse

L075542 Description

The Mersen L075542 is a semiconductor fuse rated at 250 V and 400 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 L075542.

Summary of Features

Target Applications

Ferraz Shawmut L075542 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) L075542 is a Protistor BS88-4 semiconductor protection fuse, size 36x27, 400 A, 250 VAC, class aR, with built-in trip indicator (designation URGG 36T400; catalog number BS36UG25V400T). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS36UG25V400T
Reference number	L075542
Designation	URGG 36T400
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	400 A
Utilization class	aR
Size	36x27
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	25100 A²s
Total clearing I²t at 250 V	128000 A²s
Watts loss at 0.8 IN / IN	23.4 W / 46.7 W
Trip indicator	with built-in trip indicator
Matching microswitch	MC 36 GR 2.5, ref. P092496
Minimum operating voltage for trip indicator	20 V
Weight (approx.)	170 g

Download L075542 Datasheet

L075542 PDF Datasheet