170M6609 Bussmann - Fuse

170M6609 Description

The Bussmann 170M6609 is a fuse, rated for 550 A. Its job is to clear faults fast enough to save expensive semiconductors in drives, UPS units and DC supplies.

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Summary of Features

Target Applications

Bussmann 170M6609 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 170M6609 is a high speed square body semiconductor fuse, US style (bolted tags), size 3, 550 A, 690 V / 700 V IEC, -FU/- without indicator. 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	3
Style	US style (bolted tags)
Indicator	-FU/- without indicator
Pre-arc I²t	19500 A²s
Clearing I²t at 660 V (power factor 15%)	135000 A²s
Watts loss at rated current	100 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	135 mm
Mounting centres (C1 / C2)	106 / 77 mm
Body A x D x E	51 x 92 x 76 mm

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