170M6720 Bussmann - Fuse
170M6720 Description
The Bussmann 170M6720 is a fuse, rated for 600 V and 1800 A. It protects power semiconductors such as diodes, thyristors and IGBTs from short-circuit damage in drives, rectifiers and UPS systems.
Request a quote for the 170M6720 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
Bussmann 170M6720 is a high speed square body semiconductor fuse, US style (bolted tags), size 3, 1800 A, 600 V IEC (UL / CSA status: consult Bussmann), -FU/115 without indicator (115 mm version).
Target Applications
Bussmann 170M6720 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 170M6720 is a high speed square body semiconductor fuse, US style (bolted tags), size 3, 1800 A, 600 V IEC (UL / CSA status: consult Bussmann), -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 | 1800 A RMS |
| Rated voltage | 600 V IEC (UL / CSA status: consult Bussmann) |
| Body size | 3 |
| Style | US style (bolted tags) |
| Indicator | -FU/115 without indicator (115 mm version) |
| Pre-arc I²t | 880000 A²s |
| Clearing I²t at 660 V (power factor 15%) | 5250000 A²s |
| Watts loss at rated current | 165 W |
| Interrupting rating | 200 kA RMS symmetrical (estimated 300 kA) |
| Overall length (B) | 155 mm |
| Mounting centres (C1 / C2) | 125 / 97 mm |
| Body A x D x E | 51 x 92 x 76 mm |
Technical document (PDF) | Request a quote for 170M6720 (reply within 24 hours)

