170M4669 Bussmann - Fuse

170M4669 Description

Rated at 550 V and 900 A, the Bussmann 170M4669 is a fuse. 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 170M4669, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Bussmann 170M4669 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 170M4669 is a high speed square body semiconductor fuse, US style (bolted tags), size 1, 900 A, 550 V IEC (UL / CSA status: consult Bussmann), -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	900 A RMS
Rated voltage	550 V IEC (UL / CSA status: consult Bussmann)
Body size	1
Style	US style (bolted tags)
Indicator	-FKE/- type K indicator for microswitch - microswitch ordered separately
Pre-arc I²t	155000 A²s
Clearing I²t at 660 V (power factor 15%)	850000 A²s
Watts loss at rated current	100 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	136 mm
Mounting centres (C1 / C2)	104 / 78 mm
Body A x D x E	50 x 69 x 53 mm

Technical document (PDF)  |  Request a quote for 170M4669 (reply within 24 hours)