Part Number Explanation

• BW: Braking resistor

• 047: Nominal resistance 47 Ω

• 004: Continuous power rating 0.4 kW

Main Technical Specifications

• Resistance: 47 Ω (tolerance ±10%)

• Continuous power: 0.4 kW

• Peak power: Approximately 4.7 kW for short-time operation

• Thermal protection: Integrated overtemperature switch

• Protection class: IP20

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

• Cooling mode: Natural air cooling

• Weight: About 1.0 kg

Key Features

1. Dissipates regenerative energy during motor braking and prevents DC bus overvoltage.

2. Miniature size, ideal for installation in narrow cabinet spaces.

3. Robust wirewound structure for stable long-term operation.

4. Built-in thermal cut-off ensures safety against overheating.

Typical Applications