J080945 Ferraz Shawmut - Fuse

J080945 Description

Rated at 250 V and 50 A, the Mersen J080945 is a semiconductor fuse. Its job is to clear faults fast enough to save expensive semiconductors in drives, UPS units and DC supplies.

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Summary of Features

Target Applications

Ferraz Shawmut J080945 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) J080945 is a Protistor BS88-4 semiconductor protection fuse, size 36x27, 50 A, 250 VAC, class gR, without trip indicator (designation URGG 36/50; catalog number BS36UG25V50). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS36UG25V50
Reference number	J080945
Designation	URGG 36/50
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	50 A
Utilization class	gR
Size	36x27
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	120 A²s
Total clearing I²t at 250 V	500 A²s
Watts loss at 0.8 IN / IN	4.75 W / 9.5 W
Trip indicator	without trip indicator
Minimum operating voltage for trip indicator	20 V
Weight (approx.)	170 g

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