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Hager ADC920D Residual-Current Circuit Breaker, 20A, Type B, 240V
The Hager ADC920D is a professional-grade residual-current circuit breaker (RCBO) engineered to provide comprehensive electrical protection for both residential and commercial environments. This device combines overcurrent protection and residual current detection in a single unit, ensuring that electrical circuits are monitored effectively against faults, overloads, and short circuits. Built with high-quality materials, it offers consistent performance and reliability in demanding electrical systems.
The primary advantage of this Hager circuit breaker is its integrated design, which saves space in distribution boards by combining two protective functions into one compact module. It provides enhanced safety by detecting both AC and pulsating DC residual currents, making it suitable for a wide range of modern electronic equipment. The robust construction ensures long-term durability, while the precise tripping mechanism minimizes the risk of nuisance tripping, providing stable power distribution and peace of mind for the end user.
This device is not intended for industrial applications requiring higher breaking capacities or specific environmental protections beyond standard indoor electrical installations. It should not be used in circuits exceeding its rated current of 20A or in systems operating outside the specified voltage range.
The Hager ADC920D must be installed by a qualified electrician in accordance with local electrical regulations and safety standards. The device is designed for mounting onto a standard DIN rail within a distribution board. Ensure that all electrical connections are tightened to the manufacturer's specified torque settings to prevent overheating. Once installed, the device can be manually switched on or off using the front toggle, and the integrated test button should be used periodically to verify the functionality of the residual current protection mechanism.
Usage recommendations: It is recommended to perform a functional test using the integrated test button every six months to ensure the continued reliability of the residual current protection. If the device trips frequently, consult a professional electrician to inspect the circuit for potential faults or insulation issues.
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