170M4766 Bussmann - Fuse

170M4766 Description

Bussmann makes the 170M4766, a 700 V, 630 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 170M4766 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 170M4766 is a high speed square body semiconductor fuse, US style (bolted tags), size 1, 630 A, 690 V / 700 V IEC, -FKE/115 type K indicator for microswitch (115 mm version). Source: Bussmann Square Body US Style 690V/700V 40-2000A datasheet (BIF 720023). Values at 25°C unless noted.

Parameter	Value
Rated current	630 A RMS
Rated voltage	690 V / 700 V IEC
Body size	1
Style	US style (bolted tags)
Indicator	-FKE/115 type K indicator for microswitch (115 mm version) - microswitch ordered separately
Pre-arc I²t	52000 A²s
Clearing I²t at 660 V (power factor 15%)	350000 A²s
Watts loss at rated current	80 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	157 mm
Mounting centres (C1 / C2)	126 / 100 mm
Body A x D x E	50 x 69 x 53 mm

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