170M4668 Bussmann - Fuse

170M4668 Description

The Bussmann 170M4668 is a fuse, rated for 800 A. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

Need the 170M4668? USComponent stocks and sources power modules for repair shops, OEMs and maintenance teams worldwide. Request a quote and we'll confirm availability and lead time. Always compare against the datasheet before ordering.

Summary of Features

Target Applications

Bussmann 170M4668 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 170M4668 is a high speed square body semiconductor fuse, US style (bolted tags), size 1, 800 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	800 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	105000 A²s
Clearing I²t at 660 V (power factor 15%)	725000 A²s
Watts loss at rated current	95 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

Technical document (PDF)  |  Request a quote for 170M4668 (reply within 24 hours)