PC91UH15C250D4A Ferraz Shawmut - Fuse

PC91UH15C250D4A Description

Mersen makes the PC91UH15C250D4A, a 1500 V, 250 A semiconductor fuse. 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 PC91UH15C250D4A 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) PC91UH15C250D4A is a Protistor PSC aR square body semiconductor fuse, size 91, 250 A, 1500 VAC, German blades DIN 140, D14A type (reference number D221309). Source: Mersen (Ferraz Shawmut) Protistor PSC aR sizes 9x 1500 VAC square body fuses catalog (SCAC146-157).

Parameter	Value
Catalog number	PC91UH15C250D4A
Reference number	D221309
Designation	15 URH 91 D14A 0250
Rated voltage	1500 VAC (DC: consult Mersen)
Rated current	250 A
Characteristic	aR, size 91
Terminals	German blades DIN 140, D14A type
Breaking capacity	200 kA at 1500 V
Maximum I²t at 1500 V	246 kA²s
Power losses at 0.8 In / In	25 W / 47 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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