Hager NDN316 Circuit Breaker, 3-Pole, Type D, 16A, 10kA

The Hager NDN316 is a robust 3-pole miniature circuit breaker engineered to provide dependable protection for electrical systems. Designed for demanding environments, this device effectively safeguards circuits against short circuits and overloads. With its Type D tripping characteristic, it is specifically built to handle high inrush currents, making it a reliable component for industrial and commercial electrical distribution boards.

Advantages

This circuit breaker offers exceptional durability and performance consistency in heavy-duty electrical installations. The 10kA breaking capacity ensures that the device can safely interrupt high fault currents, providing a high level of safety for connected equipment and infrastructure. Its 3-pole configuration allows for the simultaneous disconnection of three phases, ensuring comprehensive protection for three-phase electrical systems. The compact 3-module design facilitates efficient space utilization within standard distribution enclosures.

Suitable for

• Industrial machinery and motor control circuits
• Commercial electrical distribution systems
• Installations with high inductive loads
• Protection of circuits with significant inrush current requirements

When it may not be suitable

This device is not intended for residential applications where standard Type B or Type C circuit breakers are typically sufficient. Using a Type D breaker in circuits without high inrush current requirements may result in delayed tripping during fault conditions, potentially compromising safety.

Key specifications

• Number of poles: 3
• Tripping characteristic: Type D
• Rated current: 16A
• Breaking capacity: 10kA
• Mounting type: DIN rail

How to use

The Hager NDN316 should be installed by a qualified electrician in accordance with local electrical regulations. It is designed for mounting onto a standard DIN rail within an electrical distribution board. Ensure that the supply cables are securely connected to the terminals, observing the correct torque settings to prevent overheating. Once installed, the toggle switch allows for manual operation to connect or disconnect the circuit as needed.

What to consider before purchase

• Verify that the 16A rated current matches the requirements of your electrical load.
• Ensure that the Type D characteristic is appropriate for the specific equipment being protected.
• Confirm that there is sufficient space on the DIN rail for a 3-module wide device.
• Check that the 10kA breaking capacity meets the short-circuit current rating of your installation.

Usage recommendations

Regularly inspect the circuit breaker for signs of wear or thermal damage. Test the functionality of the device periodically to ensure it remains in optimal working condition. Always disconnect the power supply before performing any maintenance or inspection on the electrical panel.