Part Number Explanation

• BW: Braking resistor

• 039: Nominal resistance 39 Ω

• 012: Continuous power rating 1.2 kW

Main Technical Specifications

• Resistance: 39 Ω (tolerance ±10%)

• Continuous power: 1.2 kW

• Peak power: Approximately 3.9 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: About 2.2 kg

Key Features

1. Converts regenerative energy into heat during motor braking to avoid DC bus overvoltage.

2. Compact structure, easy for cabinet installation.

3. Durable wirewound design for continuous industrial use.

4. Integrated thermal protection improves operational safety.

Typical Applications