M075543 Ferraz Shawmut - Fuse

M075543 Description

The M075543 from Mersen is a semiconductor fuse with a 250 V / 450 A rating. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

Request a quote for the M075543 and our team will get back to you with price, quantity available and lead time. We ship worldwide. As with any power device, please check the manufacturer's datasheet to confirm it matches your design.

Summary of Features

Target Applications

Ferraz Shawmut M075543 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) M075543 is a Protistor BS88-4 semiconductor protection fuse, size 36x27, 450 A, 250 VAC, class aR, with built-in trip indicator (designation URGG 36T450; catalog number BS36UG25V450T). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS36UG25V450T
Reference number	M075543
Designation	URGG 36T450
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	450 A
Utilization class	aR
Size	36x27
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	33500 A²s
Total clearing I²t at 250 V	170000 A²s
Watts loss at 0.8 IN / IN	27.1 W / 54.1 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

Technical document (PDF)  |  Request a quote for M075543 (reply within 24 hours)