170M3722 Bussmann - Fuse

170M3722 Description

The 170M3722 from Bussmann is a fuse with a 550 A rating. Fast-acting fuses like this are used to protect rectifiers, inverters and other power-electronic circuits against short circuits.

USComponent has been supplying power semiconductors since 2001, including discontinued and hard-to-find part numbers. Send us an RFQ for the 170M3722 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 170M3722 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 170M3722 is a high speed square body semiconductor fuse, US style (bolted tags), size 1*, 550 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	550 A RMS
Rated voltage	690 V / 700 V IEC
Body size	1*
Style	US style (bolted tags)
Indicator	-FU/115 without indicator (115 mm version)
Pre-arc I²t	34000 A²s
Clearing I²t at 660 V (power factor 15%)	230000 A²s
Watts loss at rated current	75 W
Interrupting rating	200 kA RMS symmetrical (estimated 300 kA)
Overall length (B)	148 mm
Mounting centres (C1 / C2)	123 / 110 mm
Body A x D x E	50 x 59 x 45 mm

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