Hager MCN320 3-pole circuit breaker 20A 6kA C-characteristic 50-60 Hz

The Hager MCN320 3-pole circuit breaker 20A 6kA C-characteristic 50-60 Hz is a high-quality electrical protection device designed to safeguard residential, commercial, and industrial electrical installations. This three-pole circuit breaker effectively protects electrical circuits against overloads and short circuits, ensuring continuous safety and reliability for your power distribution network. Engineered to operate efficiently within a frequency range of 50 to 60 Hz, the Hager MCN320 integrates seamlessly into standard electrical panel setups.

Advantages

This Hager circuit breaker offers exceptional reliability and precision in fault detection, helping to prevent electrical damage and minimize downtime. Its robust construction ensures long-term operational stability under standard electrical loads. The C-characteristic trip curve provides a balanced response suitable for circuits with moderate inrush currents, such as lighting and motor loads. The 6 kA breaking capacity ensures that the device can safely interrupt high fault currents, protecting downstream wiring and connected equipment from severe thermal and mechanical stress.

Suitable for

• Residential electrical distribution boards
• Commercial building power systems
• Light industrial electrical installations
• Protecting wiring for appliances with moderate inrush current

When it may not be suitable

This circuit breaker is not designed for main incoming supply protection where higher breaking capacities exceeding 6 kA are required. It may also be unsuitable for specialized heavy industrial applications with extremely high motor starting currents that demand a D-characteristic curve instead of a C-characteristic.

Key specifications

• Product type: 3-pole circuit breaker
• Nominal current: 20 A
• Breaking capacity: 6 kA
• Trip characteristic curve: C
• AC input frequency: 50 to 60 Hz

How to use

The device is designed for professional installation by qualified electricians within standard distribution boards or consumer units on compatible mounting rails. Ensure the main power supply is switched off before attempting any installation or maintenance work. Snap the circuit breaker securely onto the mounting rail and connect the incoming and outgoing phase conductors to the corresponding terminals, ensuring proper tightening torque to prevent loose connections and overheating.

What to consider before purchase

• Verify that the 20 A rating matches the current-carrying capacity of the circuit wiring
• Confirm that a 6 kA breaking capacity meets local electrical safety standards and prospective fault current levels
• Check that the C-characteristic aligns with the expected load profile
• Ensure sufficient physical space is available in the electrical enclosure

Usage recommendations: Regularly inspect the electrical enclosure and test the operation of the circuit breaker according to local electrical safety guidelines to ensure reliable ongoing protection.