Overcurrent circuit breaker with residual current device 1+N-pole PKNM-16/1N/B/003-MW 236200

Residual Current Circuit Breaker with Overcurrent Protection – Comprehensive Installation Protection

This circuit breaker combines the functions of a Miniature Circuit Breaker (MCB) and a Residual Current Device (RCD), providing comprehensive protection for electrical circuits against overload, short circuits, and earth fault currents. It is an ideal solution for installations requiring a high level of safety, both in residential, commercial, and industrial buildings. It is also suitable for photovoltaic installations.

### Characteristics and Application

The PKNM-16/1N/B/003-MW circuit breaker from the xPole Moeller series by Eaton, is characterized by a rated current of 16A and has a tripping characteristic of type B. This means it reacts quickly to short circuits and overloads, while being resistant to short-term current surges that can occur during the starting of devices with a motor. The rated differential current is 0.03A with AC sensitivity, which provides effective protection against electric shock. The 1+N pole design with simultaneous disconnection of the N pole increases the safety and functionality of the device.

### Advantages and Benefits

• Dual Protection: Combining MCB and RCD functions in one device reduces the number of components needed in the switchgear, saving space and simplifying installation.
• Fast Response: Characteristic B provides a fast response to overloads and short circuits, minimizing the risk of damage to the installation and equipment.
• High Sensitivity: AC sensitivity to earth fault currents guarantees effective protection against electric shock.
• Versatility: Suitable for various types of electrical installations – from domestic to industrial and for applications in photovoltaics.
• Safety: Rated short-circuit breaking capacity (Icn) is 10 kA, which ensures effective disconnection of the circuit in the event of a short circuit.
• DIN Rail Mounting: Allows for easy and quick mounting in standard panelboards.
• Wide Operating Temperature Range: The ability to operate in a temperature range from -25°C to 40°C ensures reliability in various environmental conditions.
• Wire Cross-Section: Support for solid and stranded wires with a cross-section from 1 mm² to 25 mm² provides flexibility when selecting supply wires.

Additional information: The circuit breaker has a protection rating of IP20, which means protection against touching with a finger and solid objects larger than 12.5 mm. The energy limitation class is 3, and the surge category is III – parameters important when designing safe electrical installations. The rated impulse withstand voltage Uimp is 4 kV, which indicates high resistance to transient overvoltages.