A70P125-4TA Ferraz Shawmut - Fuse

A70P125-4TA Description

The A70P125-4TA from Mersen is a high speed fuse with a 700 V / 125 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 A70P125-4TA is used for protection of power semiconductors in AC and DC drives up to 700 V, UPS systems, inverters, reduced voltage motor starters and similar power electronic equipment.

Key Specifications

Mersen (Ferraz Shawmut) A70P125-4TA is an Amp-Trap Form 101 A70P semiconductor protection (high speed) fuse, 125 A, 700 VAC / 650 VDC, blade, bolt-in mounting, with trigger actuator (TA) for blown-fuse microswitch. Source: Mersen A70P Amp-Trap Form 101 semiconductor protection fuses datasheet (D 36-37).

Parameter	Value
Series	A70P Amp-Trap Form 101 semiconductor protection fuse
Rated current	125 A
Rated voltage	700 VAC / 650 VDC
Interrupting rating	100 kA AC / 100 kA DC (L/R 10 ms)
Mounting type	4: blade, bolt-in
Indicator	trigger actuator (TA) for blown-fuse microswitch
Characteristics	Very fast acting, current limiting, low I²t, controlled arc voltage
Approvals	UL Recognized Component (file E60314, JFHR2) for AC; DC tested to UL 198L parameters
Overall length (A)	5.09 in (129 mm)
Body diameter / width (B)	1.50 in (38.1 mm)
Mounting hole centres (D)	4.16 in (106 mm)
Matching fuse block	P266A

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