J078277 Ferraz Shawmut - Fuse

J078277 Description

The Mersen J078277 is a semiconductor fuse, rated for 1500 V and 450 A. 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 J078277, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Ferraz Shawmut J078277 is used for protection of SCRs, diodes, thyristors, GTOs and IGBTs in rectifiers, inverters, DC drives, UPS systems, reduced voltage motor starters and other power conversion equipment up to 1500 VAC.

Key Specifications

Mersen (Ferraz Shawmut) J078277 is a Protistor PSC aR square body semiconductor fuse, size 93, 450 A, 1500 VAC, German blades DIN 140, D14A type (catalog number PC93UK15C450D4A). Source: Mersen (Ferraz Shawmut) Protistor PSC aR sizes 9x 1500 VAC square body fuses catalog (SCAC146-157).

Parameter	Value
Catalog number	PC93UK15C450D4A
Reference number	J078277
Designation	15 URK 93 D14A 0450
Rated voltage	1500 VAC (DC: consult Mersen)
Rated current	450 A
Characteristic	aR, size 93
Terminals	German blades DIN 140, D14A type
Breaking capacity	200 kA at 1500 V
Maximum I²t at 1500 V	305 kA²s
Power losses at 0.8 In / In	69 W / 144 W
Trip indicator	Low voltage trip indicator; field-mountable microswitch MC 3E / MCR 3E / MC2R 3E (ordered separately)
Standard	Tested to IEC 60269-4 at Un +10%
Note	D14A types are made to order (marked * in the catalog)

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