170M6661 Bussmann - Fuse

170M6661 Description

The Bussmann 170M6661 is a fuse, rated for 700 A. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the 170M6661, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Bussmann 170M6661 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 170M6661 is a high speed square body semiconductor fuse, US style (bolted tags), size 3, 700 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	700 A RMS
Rated voltage	690 V / 700 V IEC
Body size	3
Style	US style (bolted tags)
Indicator	-FKE/- type K indicator for microswitch - microswitch ordered separately
Pre-arc I²t	44500 A²s
Clearing I²t at 660 V (power factor 15%)	300000 A²s
Watts loss at rated current	110 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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