Bussmann 170M-678 High-Speed aR Fuse-Link, IEC Semiconductor Protection

Bussmann 170M-678 High-Speed aR Fuse-Link, IEC Semiconductor Protection

The Bussmann 170M-678 is a high-speed aR fuse-link engineered to IEC standards for accompanied semiconductor protection, part of a family available in amp ratings from 1100A to 3200A to match a range of protection requirements in demanding power circuits. Rated AC 1250V and built in a 2 x size 3 body measuring 74 x 52 x 167 mm, this fuse-link is constructed for reliable interruption performance in high-power semiconductor applications. A top fuse status indicator gives installers and maintenance teams a fast, single-point visual check of fuse condition without additional test equipment. The single-indicator design supports dependable performance in demanding power electronics, converter, and industrial circuit protection applications where accompanied semiconductor protection is required.

Key Features

• Amp Rating Range: Available in 1100A, 1400A, 1600A, or 3200A ratings to match varying semiconductor protection loads across a family of fuse-links.
• Voltage Rating: AC 1250V rating supports demanding industrial power circuits and semiconductor protection schemes.
• High-Speed aR Fuse-Link: Class aR utilization category, purpose-built for accompanied semiconductor protection per IEC standards.
• Body Size: 2 x size 3 configuration measuring 74 x 52 x 167 mm for compatibility with standard IEC fuse mounting hardware.
• Status Indicator: Top fuse status indicator provides a single-point visual confirmation of fuse condition for faster maintenance checks.
• Semiconductor Protection: Designed for accompanied protection of semiconductor devices in power electronics equipment such as converters and drives.
• IEC Compliant Design: Manufactured to IEC fuse-link standards for consistent fit and performance in international electrical systems.
• Packaging: Standard packaging type for straightforward stocking and distribution.

Technical Specifications

• Class: Class aR
• Voltage Type: AC
• Application: semiconductor protection
• Insulated Metal Gripping Lugs Imgl: No
• Utilization Category: aR (accompanied semiconductor protection)
• Packaging Type: Standard
• Fuse Indicator: Top fuse status indicator

Typical Applications

• Power Electronics and Semiconductor Protection
• Industrial Motor Drives and Converters
• Rectifier and Inverter Circuit Protection
• High-Power AC Distribution Systems
• Accompanied Semiconductor Device Protection Schemes

Why Bussmann?

Bussmann fuse-links are engineered to IEC standards with a Class aR utilization category specifically intended for accompanied semiconductor protection, giving engineers a dependable option across a full family of amp ratings from 1100A to 3200A. The top fuse status indicator adds fast, single-point condition verification without extra test hardware, helping maintenance teams reduce downtime. Built in a compact 2 x size 3 body rated AC 1250V, this fuse-link is suited to professionals who need consistent, code-aligned protection for high-speed semiconductor circuits.