Detailed Information

Model Explanation

• EF：EMC filter + brake resistor assembly

• 075：High power size/series (higher than EF030‑503)

• 503：Voltage/current rating (3×230–500 VAC / 20 A)

Electrical Specifications

• Rated voltage：3‑phase AC 230 V ~ 500 V, 50/60 Hz

• Rated current：20 A (at 400 V)

• Continuous power dissipation：75 W

• Brake energy capacity：Suitable for heavy‑duty and frequent braking

Mechanical & Environmental

• Protection class：IP20

• Mounting：Panel mount (inside control cabinet)

• Cooling：Enhanced heatsink, natural convection

• Ambient temp：−25 °C ~ +45 °C

• Weight：Approx. 2.8–3.0 kg

• Dimensions (W×H×D)：~80 × 150 × 280 mm

Compatibility

• For SEW MOVITRAC and MOVIDRIVE series drives

• Matches 400 V inverters from 7.5 kW up to 15 kW

• Replaces EF030‑503 for higher power or heavy‑duty braking applications

Key Features

1. High‑power dual function：EMC filtering + brake resistor in one unit

2. 20 A / 75 W rating：Suitable for 7.5–15 kW drives

3. Superior EMI suppression：Reduces conducted and radiated interference

4. Heavy‑duty regenerative control：Absorbs large energy during deceleration/stop

5. Robust & reliable：Industrial grade design for long‑term operation

Applications

• Conveyors, cranes, hoists, lifting equipment

• Packaging, material handling, machine tools

• Any 400 V AC drive system with high power, frequent braking, or strict EMC requirements