170M5661 Bussmann - Fuse

170M5661 Description

170M5661 is a 550 A fuse made by Bussmann. 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 170M5661 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 170M5661 is a high speed square body semiconductor fuse, US style (bolted tags), size 2, 550 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	550 A RMS
Rated voltage	690 V / 700 V IEC
Body size	2
Style	US style (bolted tags)
Indicator	-FKE/- type K indicator for microswitch - microswitch ordered separately
Pre-arc I²t	28000 A²s
Clearing I²t at 660 V (power factor 15%)	190000 A²s
Watts loss at rated current	80 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	135 mm
Mounting centres (C1 / C2)	105 / 78 mm
Body A x D x E	50 x 77 x 61 mm

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