170M6471 Bussmann - Fuse

170M6471 Description

Rated at 550 V and 2000 A, the Bussmann 170M6471 is a fuse. 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 170M6471 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 170M6471 is a high speed square body semiconductor fuse, size 3, flush end contact, 2000 A, 550 V IEC (UL / CSA status: consult Bussmann), with -BKN/- type K indicator for microswitch. Source: Bussmann Square Body Flush End Contact 690V/700V 40-2000A datasheet (BIF 720019). Values at 25°C unless noted.

Parameter	Value
Rated current	2000 A RMS
Rated voltage	550 V IEC (UL / CSA status: consult Bussmann)
Body size	3
Contact type	Flush end contact
Indicator	-BKN/- type K indicator for microswitch (microswitch ordered separately)
Pre-arc I²t	1150000 A²s
Clearing I²t at 660 V (power factor 15%)	6350000 A²s
Watts loss at rated current	175 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Main dimensions A / B / D / E	51 / 53 / 92 / 76 mm (see datasheet drawing)
Contact thread	M12

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