170M4769 Bussmann - Fuse

170M4769 Description

170M4769 is a 700 V, 900 A fuse made by Bussmann. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the 170M4769 and we will reply with price, condition and lead time. Please check the manufacturer's datasheet to confirm ratings, package and pin-out before you order.

Summary of Features

Target Applications

Bussmann 170M4769 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 170M4769 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/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	900 A RMS
Rated voltage	550 V IEC (UL / CSA status: consult Bussmann)
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	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)	157 mm
Mounting centres (C1 / C2)	126 / 100 mm
Body A x D x E	50 x 69 x 53 mm

Technical document (PDF)  |  Request a quote for 170M4769 (reply within 24 hours)