Hager Miniature Circuit Breaker - MTN120 - 20A - Type B

Hager 20A single pole Type B 6k A miniature circuit breaker. It is part of the new MTN range of Ha...

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eBayHager MTN120 20 Amp SP MCB Miniature Circuit Breaker 20A *Free P&P
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OnBuy.comHager Mtn120 Mcb Sp Type B 20A 6Ka 3250614343056
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eBayHager MTN120 B20 20A Type B 6kA Single Pole MCB New Missing Packaging
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Product Information

Full details

This guide provides essential information for users of the Hager MTN120 miniature circuit breaker. Ideal for electrical professionals and DIY enthusiasts, it offers reliable overcurrent protection. The MTN120 helps safeguard circuits from damage due to overloads and short circuits. Note that proper installation and adherence to electrical codes are crucial for safe operation.

All features

SeriesMTN
Model Part NumberMTN120
BrandHAGER

Extended Product Information

FAQs

What is the purpose of a miniature circuit breaker?

A miniature circuit breaker (MCB) protects electrical circuits from damage caused by overcurrents and short circuits.

What does '20A' mean in the product description?

It indicates that the circuit breaker is designed to handle a maximum current of 20 Amperes.

What is a 'Type B' circuit breaker?

A Type B circuit breaker is designed to trip quickly on overload and is suitable for residential and light commercial applications.

Where should I install the MTN120?

The MTN120 should be installed in a distribution board or consumer unit, according to local electrical codes and by a qualified electrician.

How do I reset the circuit breaker after it trips?

Move the switch to the OFF position, then back to the ON position.

Can I replace the MTN120 with a different brand?

It is recommended to use the same brand and type of circuit breaker for compatibility and safety reasons. Always consult with a qualified electrician.

How often should I test the MTN120?

It is recommended to test your circuit breakers periodically, or at least annually, to ensure they are functioning correctly. Contact a qualified electrician for testing.

What is the breaking capacity of this MCB?

The breaking capacity is 6kA, which means it can safely interrupt fault currents up to 6 kiloamperes.

Troubleshooting

Breaker trips frequently.

Check for overloaded circuits or short circuits. Reduce the load or repair the fault.

Breaker does not trip during a fault.

Replace the circuit breaker. Contact a qualified electrician to inspect the wiring and ensure proper functionality.

Difficulty turning the breaker on.

Ensure the breaker is not in a tripped state. If it is, reset it by fully switching it to the 'off' position first, then back to the 'on' position.

Pros and Cons

Pros

  • Provides reliable overcurrent protection.
  • Compact design saves space in electrical panels.
  • Suitable for a wide range of applications.
  • Easy to install.
  • Durable and long-lasting.

Cons

  • Requires professional installation in some cases.
  • Specific to circuits needing 20A protection.
  • May not be suitable for industrial applications with higher fault currents.
  • Requires compatibility with the Hager MTN series.

Setup, Compatibility & Care

Setup: The MTN120 should be installed by a qualified electrician, following local electrical codes and regulations. Ensure the power is off before installation.

  1. Locate the appropriate slot in the distribution board.
  2. Connect the incoming and outgoing wires to the designated terminals.
  3. Ensure all connections are secure and properly torqued.

Compatibility: The MTN120 is compatible with the Hager MTN series of miniature circuit breakers. It is designed for use in circuits requiring 20A protection and Type B tripping characteristics.

Care: Regularly inspect the circuit breaker for any signs of damage. Test the breaker periodically to ensure it trips correctly under fault conditions. Avoid exposing the breaker to moisture or extreme temperatures.

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