A15QS400-4IL Ferraz Shawmut - Fuse

A15QS400-4IL Description

The Mersen A15QS400-4IL is a high speed fuse, rated for 150 V and 400 A. 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 A15QS400-4IL 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) A15QS400-4IL is an Amp-Trap Form 101 A15QS high speed fuse, 400 A, 150 VAC/DC, blade, bolt-in mounting, with IL blown-fuse indicator. 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	400 A
Rated voltage	150 VAC / 150 VDC
Interrupting rating	100 kA AC / 50 kA DC
Mounting type	4: blade, bolt-in
Indicator	IL blown-fuse indicator
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 2.66 in (67.6 mm), B 1.00 in (25.4 mm)
Mounting hole centres (D)	2.19 in (55.6 mm)
Matching fuse block	P243D

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