170M3509 Bussmann - Fuse

170M3509 Description

Bussmann makes the 170M3509, a 700 V, 50 A fuse. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

Request a quote for the 170M3509 and our team will get back to you with price, quantity available and lead time. We ship worldwide. As with any power device, please check the manufacturer's datasheet to confirm it matches your design.

Summary of Features

Target Applications

Bussmann 170M3509 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 170M3509 is a high speed square body semiconductor fuse, size 1*, flush end contact, 50 A, 690 V IEC / 700 V UL, with -G/- 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	-G/- 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

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