170M5708 Bussmann - Fuse

170M5708 Description

170M5708 is a 400 A fuse made by Bussmann. 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 170M5708 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 170M5708 is a high speed square body semiconductor fuse, US style (bolted tags), size 2, 400 A, 690 V / 700 V IEC, -FU/115 without indicator (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	400 A RMS
Rated voltage	690 V / 700 V IEC
Body size	2
Style	US style (bolted tags)
Indicator	-FU/115 without indicator (115 mm version)
Pre-arc I²t	11000 A²s
Clearing I²t at 660 V (power factor 15%)	74000 A²s
Watts loss at rated current	65 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	159 mm
Mounting centres (C1 / C2)	125 / 99 mm
Body A x D x E	50 x 77 x 61 mm

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