170M6760 Bussmann - Fuse

170M6760 Description

Bussmann makes the 170M6760, a 630 A 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

Bussmann 170M6760 is used for protection of power semiconductors (diodes, thyristors and IGBT modules) in rectifiers, AC and DC drives, inverters, UPS systems, soft starters and other power conversion equipment.

Key Specifications

Bussmann 170M6760 is a high speed square body semiconductor fuse, US style (bolted tags), size 3, 630 A, 690 V / 700 V IEC, -FKE/115 type K indicator for microswitch (115 mm version). Source: Bussmann Square Body US Style 690V/700V 40-2000A datasheet (BIF 720023). Values at 25°C unless noted.

Parameter	Value
Rated current	630 A RMS
Rated voltage	690 V / 700 V IEC
Body size	3
Style	US style (bolted tags)
Indicator	-FKE/115 type K indicator for microswitch (115 mm version) - microswitch ordered separately
Pre-arc I²t	31000 A²s
Clearing I²t at 660 V (power factor 15%)	210000 A²s
Watts loss at rated current	105 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	155 mm
Mounting centres (C1 / C2)	125 / 97 mm
Body A x D x E	51 x 92 x 76 mm

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