A15QS4500-128IL Ferraz Shawmut - Fuse

A15QS4500-128IL Description

The Mersen A15QS4500-128IL is a high speed fuse, rated for 150 V and 4500 A. 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 A15QS4500-128IL 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) A15QS4500-128IL is an Amp-Trap Form 101 A15QS high speed fuse, 4500 A, 150 VAC/DC, hockey puck, 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	4500 A
Rated voltage	150 VAC / 150 VDC
Interrupting rating	100 kA AC / 50 kA DC
Mounting type	128: hockey puck, bolt-in
Indicator	IL blown-fuse indicator
Characteristics	Fast acting, current limiting, low I²t, controlled arc voltage, compact design
Approvals	UL recognition in the datasheet covers 1-4000 A (not this rating)
Main dimensions (see datasheet figure)	A 2.38 in (60.5 mm), B 5.75 in (146 mm)
Terminal tap	1/2-20 tap, 1/2 in deep

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