170M3409 Bussmann - Fuse

170M3409 Description

The Bussmann 170M3409 is a fuse, rated for 700 V and 50 A. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.

Looking for a replacement 170M3409? USComponent can quote new and hard-to-find stock and ships worldwide. Request a quote for pricing and lead time, and double-check the datasheet to make sure it fits your application.

Summary of Features

Target Applications

Bussmann 170M3409 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 170M3409 is a high speed square body semiconductor fuse, size 1*, flush end contact, 50 A, 690 V IEC / 700 V UL, with -B/- visual indicator. Source: Bussmann Square Body Flush End Contact 690V/700V 40-2000A datasheet (BIF 720019). Values at 25°C unless noted.

Parameter	Value
Rated current	50 A RMS
Rated voltage	690 V IEC / 700 V UL
Body size	1*
Contact type	Flush end contact
Indicator	-B/- visual indicator
Pre-arc I²t	77 A²s
Clearing I²t at 660 V (power factor 15%)	515 A²s
Watts loss at rated current	11 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Main dimensions A / B / D / E	50 / 51 / 59 / 45 mm (see datasheet drawing)
Contact thread	M8

Technical document (PDF)  |  Request a quote for 170M3409 (reply within 24 hours)