Hager CPC463J Residual Current Circuit Breaker 4P 63A 0.3A Type AC-S

The Hager CPC463J is a high-quality 4-pole residual current circuit breaker (RCCB) engineered to provide essential electrical safety in both residential and commercial environments. This device is designed to detect and interrupt circuits in the event of earth leakage, protecting both users and connected electrical equipment from potential hazards. As a Type AC-S device, it offers selective protection, ensuring that it only trips when necessary, which helps maintain system stability in complex electrical installations.

Advantages

The primary advantage of this Hager RCCB is its selective AC-S characteristic, which prevents nuisance tripping by introducing a slight time delay. This makes it an ideal choice for installations where multiple protective devices are used in series, as it ensures that only the faulty circuit is isolated. The robust 4-pole design allows for versatile application in three-phase systems, while the 63A current rating and 0.3A sensitivity provide a reliable balance between safety and operational continuity.

Suitable for

• Residential electrical distribution boards
• Commercial building power systems
• Industrial applications requiring selective earth leakage protection
• Installations where nuisance tripping must be minimized

This device is not suitable for detecting DC components in leakage currents, as it is specifically a Type AC-S breaker. It should not be used as the sole protection in circuits where high-frequency electronic equipment or DC-sensitive loads are present, as these may require Type A or Type B devices.

Key specifications

• Number of poles: 4
• Rated current: 63A
• Residual operating current: 0.3A
• Type: AC-S (Selective)
• Mounting type: DIN rail

The Hager CPC463J is designed for installation on a standard DIN rail within an electrical distribution board. It should be installed by a qualified electrician in accordance with local electrical regulations. Ensure that the supply voltage and load requirements are compatible with the device specifications before finalizing the connection.

What to consider before purchase

• Verify that the 0.3A sensitivity meets the specific safety requirements for your installation
• Ensure the 63A rating is sufficient for the total load of the circuit
• Confirm that the selective AC-S type is appropriate for your specific circuit topology
• Check available space on the DIN rail within your distribution board

Usage recommendations: Regularly test the functionality of the residual current circuit breaker using the integrated test button to ensure the mechanism remains operational over time. It is recommended to perform this check at least every six months to maintain optimal safety standards.