Q075546 Ferraz Shawmut - Fuse

Q075546 Description

Rated at 250 V and 800 A, the Mersen Q075546 is a semiconductor fuse. 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 Q075546 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) Q075546 is a Protistor BS88-4 semiconductor protection fuse, size 2x36x27 (double body), 800 A, 250 VAC, class aR, without trip indicator (designation URGH 236/800; catalog number BS236UH25V800). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS236UH25V800
Reference number	Q075546
Designation	URGH 236/800
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	800 A
Utilization class	aR
Size	2x36x27 (double body)
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	100000 A²s
Total clearing I²t at 250 V	512000 A²s
Watts loss at 0.8 IN / IN	46.7 W / 93.4 W
Trip indicator	without trip indicator
Minimum operating voltage for trip indicator	20 V
Weight (approx.)	290 g

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