Eaton PKNM 16/1N/B/003 Residual Current Circuit Breaker with Overcurrent Protection 2P 16A B 30mA Type AC

The Eaton PKNM 16/1N/B/003 is a high-quality residual current circuit breaker with overcurrent protection (RCBO), engineered to provide comprehensive electrical safety in a single compact unit. This 2-pole device integrates both short-circuit and overload protection with earth fault detection, making it an essential component for modern electrical distribution boards. Designed for reliability, it ensures that both the electrical installation and the connected equipment are protected against dangerous fault conditions.

Advantages

This RCBO offers a space-saving design by combining two critical safety functions into one housing, which simplifies installation and reduces the amount of space required in the distribution panel. The B-type tripping characteristic ensures rapid response to overcurrents, while the 30mA sensitivity provides a high level of protection against accidental contact with live parts. Its robust construction ensures long-term operational stability in both residential and commercial environments, maintaining consistent performance under standard electrical loads.

Suitable for

• Residential electrical distribution boards
• Commercial office building circuits
• Protection of final circuits with sensitive electronic equipment
• General lighting and socket outlet protection

When it may not be suitable

This device is designed for AC-type leakage currents and may not be suitable for circuits where DC components are present, such as those connected to certain types of frequency converters or electric vehicle chargers. In such cases, a device with A or B type sensitivity would be required.

Key specifications

• Rated current: 16A
• Number of poles: 2 (1P+N)
• Tripping characteristic: B
• Residual current sensitivity: 30mA
• Leakage current type: AC

How to use

The Eaton PKNM should be installed by a qualified electrician in accordance with local electrical regulations. It is mounted onto a standard DIN rail within a distribution board. Ensure that the supply cables are correctly connected to the input terminals and that the load circuits are connected to the output terminals. After installation, the device should be tested using the integrated test button to verify its mechanical and electrical functionality.

What to consider before purchase

• Verify that the 16A rated current matches the requirements of your circuit
• Ensure the B-type characteristic is appropriate for your specific load types
• Confirm that the AC-type sensitivity meets the safety requirements of your installation

Usage recommendations

Regularly test the device using the test button at least every six months to ensure the mechanical tripping mechanism remains functional and free from debris or oxidation.