A30QS7-1 Ferraz Shawmut - Fuse

A30QS7-1 Description

A30QS7-1 is a 300 V, 7 A high speed fuse made by Mersen. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the A30QS7-1, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Ferraz Shawmut A30QS7-1 is used for protection of power semiconductors (diodes, phase control SCRs and other devices) in heavy duty rectifiers, power supplies and DC equipment of 300 V or less.

Key Specifications

Mersen (Ferraz Shawmut) A30QS7-1 is an Amp-Trap Form 101 A30QS high speed fuse, 7 A, 300 VAC/DC, ferrule mounting. Source: Mersen A30QS Amp-Trap Form 101 high speed fuses datasheet (HS 10-11).

Parameter	Value
Series	A30QS Amp-Trap Form 101 high speed fuse
Rated current	7 A
Rated voltage	300 VAC / 300 VDC
Interrupting rating	200 kA AC / 100 kA DC (L/R 10 ms)
Mounting type	1: ferrule
Characteristics	Fast acting, current limiting, low I²t, controlled arc voltage, superior DC capability
Approvals	UL recognition in the datasheet covers 35-4500 A (not this rating)
Main dimensions (see datasheet figure)	A 2.00 in (51 mm), B 0.56 in (14 mm)

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