170M3666 Bussmann - Fuse

170M3666 Description

Bussmann 170M3666 is a fuse rated at 250 A. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

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Summary of Features

Target Applications

Bussmann 170M3666 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 170M3666 is a high speed square body semiconductor fuse, US style (bolted tags), size 1*, 250 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	250 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	4200 A²s
Clearing I²t at 660 V (power factor 15%)	28500 A²s
Watts loss at rated current	40 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	110 mm
Mounting centres (C1 / C2)	85 / 72 mm
Body A x D x E	50 x 59 x 45 mm

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