Bussmann 170M4113 Eaton Series High-Speed Square Body Fuse, Class aR, 450A

Bussmann 170M4113 Eaton Series High-Speed Square Body Fuse, Class aR, 450A

The Bussmann 170M4113 is an Eaton series high-speed square body fuse engineered for semiconductor protection in demanding industrial power circuits. Rated 700V (UL) / 690V (IEC) at 450A with a 200 kAIC interrupt rating, this Class aR (accompanied semiconductor protection) fuse link is built to DIN 43 620 dimensional standards with blade end X blade end connection tags for reliable, low-impedance termination. It is IEC Rated and CE Marked, making it suitable for coordinated semiconductor and power electronics protection schemes in 690V/700V industrial systems.

Key Features

• Voltage & Current Rating: 700V (UL) / 690V (IEC) at 450A supports high-voltage industrial power distribution and drive circuits.
• Interrupting Rating: 200 kAIC delivers robust short-circuit current interruption for demanding fault conditions.
• Utilization Category: Class aR (accompanied semiconductor protection) fuse link for coordinated protection of power semiconductors.
• Body Style & Connection: Square body construction with slotted, center bolted blade end X blade end tags built to DIN 43 620 dimensional standards.
• Let-Through Data: Pre-arc I²t of 17000 and clearing I²t of 120000 at 660V for precise coordination with protected semiconductor devices.
• Rated Power Loss: Clearing loss of 70 for predictable thermal performance in enclosed switchgear.
• Physical Dimensions: 245 mm length x 142 mm width x 62 mm height, approximately 498.7 g weight.

Certifications & Compliance

• IEC Rated
• CE Marked

Technical Specifications

• Amperage Rating: 450 A
• Application: semiconductor protection
• Certifications: IEC Rated
• Clearing I2t: 120000 at 660 V
• Clearing Loss: 70
• Compliances: CE Marked
• Fuse Shape: Square body, slotted center bolted tags
• Insulated Metal Gripping Lugs (Imgl): No
• Packaging Type: Standard
• Pre Arc I2t: 17000
• Product Height: 62 mm
• Product Length Depth: 245 mm
• Product Weight: 498.6666667 g
• Product Width: 142 mm
• Utilization Category: aR (accompanied semiconductor protection)
• Voltage Rating: 690 V
• Voltage Type: AC

Typical Applications

• Semiconductor Protection Circuits
• Power Electronics and Variable Frequency Drive Systems
• Industrial High-Speed Switching Equipment
• Motor Control and Rectifier Protection
• IEC-Rated Industrial Installations on 690V/700V Systems

Why Bussmann?

Bussmann by Eaton builds this 170M4113 high-speed fuse to DIN 43 620 dimensional standards with a Class aR utilization category specifically for coordinated semiconductor protection. Backed by IEC Rated and CE Marked compliance, defined pre-arc and clearing I²t let-through data, and a 200 kAIC interrupt rating, it delivers the predictable, code-compliant performance professional electrical and power electronics installations require.