ABB EHW250WC2P-1L11 Welding Contactor

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1. Overview

The ABB EHW250WC2P-1L11 Welding Contactor is a high-performance electrical switching device designed specifically for welding equipment. It can handle high inrush currents and is suitable for AC or DC welding power control, ensuring stable operation of welding systems. Its modular design and high durability provide excellent reliability and service life in industrial welding production lines, while allowing easy installation and maintenance.

2. Technical Specifications

3. Advantages and Features

1. High Current Capability – Rated for 250 A, suitable for high inrush currents in welding equipment.

2. High Durability – Electrical life ≥200,000 cycles; mechanical life ≥1,000,000 cycles.

3. Double-Pole Control – 2P main contacts allow simultaneous control of two circuits.

4. Flexible Coil Voltage – Supports 24 V DC or 230 V AC for different welding control systems.

5. Modular Design – Easy installation, maintenance, and replacement.

6. Safe and Reliable – Compliant with IEC/EN 60947-4-1 standards; flame-retardant and durable housing.

4. Applications

• Various industrial welding equipment (manual, automatic, robotic welding)

• AC/DC welding machine control

• Welding production line automation

• Power system and high-load switching control

• Industrial manufacturing and machinery

5. Installation and Maintenance Notes

1. Use Within Rated Parameters – Do not exceed rated current or voltage to prevent contact damage.

2. Keep Clean – Avoid dust, moisture, and corrosive environments.

3. Secure Wiring – Ensure main contacts and coil terminals are tightly connected to prevent overheating.

4. Regular Inspection – Check contact wear, electrical connections, and mechanical operation.

5. Avoid Frequent Overload Switching – High-frequency switching should consider electrical life limitations.

6. Professional Handling – Installation, wiring, and commissioning should be performed by qualified engineers.

The structure and details of the product：

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