A15QS800-4 Ferraz Shawmut - Fuse

A15QS800-4 Description

The A15QS800-4 from Mersen is a high speed fuse with a 150 V / 800 A rating. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

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Summary of Features

Target Applications

Ferraz Shawmut A15QS800-4 is used for protection of diodes and other power semiconductor devices rated 150 V AC/DC in heavy duty equipment such as electrochemical rectifiers and high current DC power supplies.

Key Specifications

Mersen (Ferraz Shawmut) A15QS800-4 is an Amp-Trap Form 101 A15QS high speed fuse, 800 A, 150 VAC/DC, blade, bolt-in mounting. Source: Mersen A15QS Amp-Trap Form 101 high speed fuses datasheet (HS 2-3).

Parameter	Value
Series	A15QS Amp-Trap Form 101 high speed fuse
Rated current	800 A
Rated voltage	150 VAC / 150 VDC
Interrupting rating	100 kA AC / 50 kA DC
Mounting type	4: blade, bolt-in
Characteristics	Fast acting, current limiting, low I²t, controlled arc voltage, compact design
Approvals	UL Recognized Component (file E60314): AC guide JFHR2; DC tested to UL 198L parameters
Main dimensions (see datasheet figure)	A 3.50 in (88.9 mm), B 1.50 in (38.1 mm)
Mounting hole centres (D)	2.56 in (65.0 mm)
Matching fuse block	1SC375

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