170M5709 Bussmann - Fuse

170M5709 Description

The Bussmann 170M5709 is a fuse, rated for 450 A. Its job is to clear faults fast enough to save expensive semiconductors in drives, UPS units and DC supplies.

USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the 170M5709 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 170M5709 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 170M5709 is a high speed square body semiconductor fuse, US style (bolted tags), size 2, 450 A, 690 V / 700 V IEC, -FU/115 without indicator (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	450 A RMS
Rated voltage	690 V / 700 V IEC
Body size	2
Style	US style (bolted tags)
Indicator	-FU/115 without indicator (115 mm version)
Pre-arc I²t	15500 A²s
Clearing I²t at 660 V (power factor 15%)	105000 A²s
Watts loss at rated current	70 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	159 mm
Mounting centres (C1 / C2)	125 / 99 mm
Body A x D x E	50 x 77 x 61 mm

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