T075549 Ferraz Shawmut - Fuse

T075549 Description

The Mersen T075549 is a semiconductor fuse, rated for 250 V and 1050 A. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the T075549, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Ferraz Shawmut T075549 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) T075549 is a Protistor BS88-4 semiconductor protection fuse, size 2x36x27 (double body), 1050 A, 250 VAC, class aR, without trip indicator (designation URGH 236/1050; catalog number BS236UH25V1050). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS236UH25V1050
Reference number	T075549
Designation	URGH 236/1050
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	1050 A
Utilization class	aR
Size	2x36x27 (double body)
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	193000 A²s
Total clearing I²t at 250 V	980000 A²s
Watts loss at 0.8 IN / IN	66.4 W / 132.8 W
Trip indicator	without trip indicator
Minimum operating voltage for trip indicator	20 V
Weight (approx.)	290 g

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