170M4664 Bussmann - Fuse

170M4664 Description

The Bussmann 170M4664 is a fuse, rated for 500 A. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

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Summary of Features

Target Applications

Bussmann 170M4664 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 170M4664 is a high speed square body semiconductor fuse, US style (bolted tags), size 1, 500 A, 690 V / 700 V IEC, -FKE/- type K indicator for microswitch. Source: Bussmann Square Body US Style 690V/700V 40-2000A datasheet (BIF 720023). Values at 25°C unless noted.

Parameter	Value
Rated current	500 A RMS
Rated voltage	690 V / 700 V IEC
Body size	1
Style	US style (bolted tags)
Indicator	-FKE/- type K indicator for microswitch - microswitch ordered separately
Pre-arc I²t	25000 A²s
Clearing I²t at 660 V (power factor 15%)	170000 A²s
Watts loss at rated current	72 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	136 mm
Mounting centres (C1 / C2)	104 / 78 mm
Body A x D x E	50 x 69 x 53 mm

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