BW068-004
May 27, 2026

BW068-004

Manufacturer: SEW-EURODRIVE Product Type: Wirewound braking resistor

Description


  • 068: Nominal resistance 68 Ω

  • 004: Continuous power rating 0.4 kW

Main Technical Specifications

  • Resistance: 68 Ω (tolerance ±10%)

  • Continuous power: 0.4 kW

  • Peak power: Around 6.8 kW for short-time operation

  • Thermal protection: Built-in overtemperature switch

  • Protection class: IP20

  • Operating ambient temperature: -20 °C ~ +40 °C

  • Cooling mode: Natural air cooling

  • Weight: Approximately 1.0 kg

Key Features

  1. Dissipates regenerative energy during motor braking to prevent DC bus overvoltage.

  2. Compact design, suitable for installation in limited cabinet space.

  3. Reliable wirewound construction for long-term industrial use.

  4. Integrated thermal protection enhances operational safety.

Typical Applications

Compatible with low-power SEW inverters and servo drives. Used for small conveyors, auxiliary equipment and light-duty automated machinery.


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