ABB 129A514G01 Test Switch

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1. Product Overview

The ABB 129A514G01 Test Switch is a high-reliability switch designed for low-voltage and automation systems to perform equipment testing and signal simulation. It safely disconnects or switches circuits for electrical maintenance, diagnostics, and functional verification. Compact and easy to operate, it is suitable for industrial, building, and power applications.

2. Technical Specifications

3. Key Features and Benefits

• Safe and reliable circuit switching for testing and maintenance

• Compact design saves space in control panels and industrial equipment

• Long mechanical life (≥10,000 operations) for frequent use

• Simple and intuitive manual operation with clear position indication

• Multiple contact configurations (SPDT / DPDT) for versatile signal switching

• Industrial-grade design resistant to vibration and interference

4. Typical Applications

• Testing in low-voltage control panels and distribution systems

• Signal simulation and testing in industrial automation systems

• Maintenance of motors, pumps, fans, and industrial equipment

• Power, chemical, metallurgical, and machinery industries

• Functional verification of instruments and control devices

5. Installation & Usage Notes

• Ensure rated voltage and current match the test circuit to avoid overload or damage

• Avoid high temperature, humidity, dust, and corrosive gases

• Correctly wire terminals according to labeling to ensure reliable contact

• Operate rotary knob or toggle lever smoothly to prevent mechanical damage

• Regularly inspect mechanical state and wiring to ensure accurate testing and equipment safety

The structure and details of the product：

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