ABB 1000010404 129A501G01 Test Switch

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1. Product Overview

The ABB 1000010404 / 129A501G01 Test Switch is a high-reliability manual testing device for industrial and distribution systems. It is primarily used to test relays, protection modules, or other control circuits without disconnecting the main power, ensuring safe and reliable operation of equipment.

The switch features a compact structure, simple operation, and is suitable for functional verification and troubleshooting in various industrial automation control systems and distribution cabinets.

2. Technical Specifications

3. Key Features & Advantages

• High reliability: Ensures safe testing without false triggering

• Easy operation: Manual rotary or toggle actuation

• Compact design: Saves panel or control cabinet space

• Versatile: Suitable for testing relays, protection modules, and control circuits

• Standard compliant: IEC 60947-3 and UL compliant

• Long service life: Mechanical life ≥ 10,000 operations, electrical life ≥ 5,000 operations

4. Typical Applications

• Industrial automation control systems

• Functional testing of distribution cabinets and protection devices

• Routine testing of relays and protection modules

• Maintenance and troubleshooting of factory production line equipment

• Electrical power systems and low-voltage distribution testing

• Industrial instrumentation and control module testing

5. Installation & Safety Notes

1. Ensure rated voltage and current match the circuit requirements to prevent damage or false triggering.

2. Although the switch can operate under live circuits, follow safety procedures and, if possible, operate with power off.

3. Maintain a dry and clean environment; avoid dust, moisture, and corrosive substances.

4. Ensure panel or DIN rail mounting is secure to prevent loosening or detachment.

5. Regularly inspect switch condition and wiring to ensure long-term reliability.

6. Use the test switch only for circuit testing, not as a main power switch.

The structure and details of the product：

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