Bussmann 170M8611 – Fuse 1100A 1000V 3Bkn/75 Ar Ur

SKU: A551C9B3

$1,004.63

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Description

Product Description: Bussmann 170M8611 – Fuse Link, 1100A 1000V, Class 3Bkn/75 Ar Ur

Overview

The Bussmann series 170M8611 is a high-performance, ultra-rapid acting fuse link designed for critical protection of sensitive semiconductor equipment in demanding industrial applications. Rated at 1100 Amperes and 1000 Volts AC, this fuse ensures reliable circuit interruption under fault conditions.

Key Features & Specifications

  • Rated Current: 1100A
  • Rated Voltage: 1000V AC
  • Fuse Class: 3Bkn/75 Ar Ur (IEC 60269-4)
  • Ultra-Rapid Operation: Specifically engineered for ultra-rapid arc quenching to provide maximum protection for sensitive power semiconductors like IGBTs, thyristors, and diodes.
  • High Breaking Capacity: Ensures safe interruption of potentially very high short-circuit currents.
  • Current Limiting: Limits the peak let-through current (Ip) and thermal energy (I²t) under fault conditions, minimizing potential damage to downstream components.
  • Design: Features a robust, ceramic body construction for superior mechanical strength and arc containment.
  • Termination: Knife-blade (blade) contacts (3B style) ensure secure mounting and reliable electrical connection in compatible fuse holders/bases.
  • Compliance: Manufactured to international standards (IEC 60269-4).
  • Interrupting Rating: 100 kA IR (Verify specific rating in official datasheet for application).
  • Dimensions: (Refer to datasheet for exact measurements – e.g., Approx. Length: ~ 135mm / 5.31 in, Width: ~ 62mm / 2.44 in).

Primary Applications

  • Protection of semiconductor devices in:
    • Variable Frequency Drives (VFDs)
    • Power rectifiers and inverters
    • Uninterruptible Power Supplies (UPS)
    • Soft starters
    • AC/DC motor controls
    • Welding equipment
  • Critical power distribution systems requiring ultra-rapid protection.

Benefits

  • Enhanced Equipment Protection: The “Ur” (Ultra-rapid) characteristic minimizes thermal and mechanical stress on expensive semiconductors.
  • High Reliability: Engineered for consistent performance and safety in industrial environments.
  • Reduced Downtime: Helps prevent catastrophic equipment failure due to overcurrents.
  • Standards Compliant: Meets stringent international safety and performance standards.

Bussmann Part Number: 170M8611

For detailed specifications, installation instructions, and compatibility, always consult the official Bussmann datasheet or technical documentation before use.

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Eaton Bussmann's fuses and relays for sale are brand new and come with a 1-year comprehensive warranty. Rest assured, all products are authentic OEM (original equipment manufacturer).