Part Number Explanation

• BW: Braking resistor

• 147: Nominal resistance 47 Ω (147 ≈ 47 Ω, ±10%)

• -T: Integrated temperature switch (thermal protection)eero

Main Technical Specifications

• Resistance: 47 Ω (tolerance ±10%)

• Continuous power (100% ED): 1.2 kW

• Intermittent power (cdf = cyclic duration factor):

  • 2.2 kW @ 50% ED

  • 3.8 kW @ 25% ED

  • 7.2 kW @ 12% ED

  • 11.4 kW @ 6% ED

• Peak power: ~12 kW (short‑term)

• Tripping current IF: 5 A RMS

• Thermal protection: Built‑in NC temperature switch (‑T version)eero

• Protection class: IP20 (perforated metal cover)

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

• Cooling: Natural air cooling (grid housing)eero

• Dimensions (W×D×H): Approx. 550 × 190 × 115 mm

• Weight: Approx. 4.6 kg

• SEW material no.: 18201342

• Design: Wirewound on ceramic core, metal grid enclosure

• Connections: M8 bolts, ceramic terminals (2.5 mm²)

Key Features

1. High power dissipation: 1.2 kW continuous, suitable for heavy‑duty braking.

2. Robust grid design: Excellent airflow and short‑term overload capability.eero

3. Integrated safety: Built‑in thermal switch prevents overheating.eero

4. Wide compatibility: Matches SEW MOVIDRIVE® / MOVITRAC® B series drives.

5. Industrial durability: Ceramic core + metal housing for long service life.

Typical Applications

• SEW drive compatibility: MOVIDRIVE® MDX60B/61B, MOVITRAC® B (400 V, 7.5–15 kW).

• Heavy‑duty conveyors, packaging machines, material handling, lifting systems.

• Applications requiring high intermittent braking power and reliable overheat protection.eero