A15QS3-2 Ferraz Shawmut - Fuse

A15QS3-2 Description

A15QS3-2 is a 150 V, 3 A high speed fuse made by Mersen. 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 A15QS3-2 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) A15QS3-2 is an Amp-Trap Form 101 A15QS high speed fuse, 3 A, 150 VAC/DC, ferrule, midget size (10x38 mm) 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	3 A
Rated voltage	150 VAC / 150 VDC
Interrupting rating	100 kA AC / 50 kA DC
Mounting type	2: ferrule, midget size (10x38 mm)
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 1.50 in (38.1 mm), B 0.41 in (10.4 mm) - midget 10x38 mm
Matching fuse block	30311

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