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Thermal breakers protect circuits from excess current in a similar way to a fuse, however, they often feature a switch allowing them to be reset if tripped. Common types of thermal breakers include thermal magnetic circuit breakers and thermal automotive circuit breakers.

### Types of Thermal Breakers

**Thermal magnetic circuit breakers** are devices that provide protection against overcurrent in circuits. Circuit breakers use an automatically operated electrical switch to disrupt the flow of current when an overload or short circuit is detected. Thermal magnetic circuit breakers do this using an electromagnet and bimetallic strips.

Circuit breakers provide more sophisticated protection against overcurrent than a simple fuse. Fuses simply burn out and have to be replaced, whereas circuit breakers just need to be reset.

**Thermal automotive circuit breakers** are devices used to break the flow of current in automotive circuits, in order to protect them against a fault such as overcurrent or short circuit.

The thermal aspect of this type of circuit breaker allows for smaller overcurrents over a longer period of time, but will quickly trip the circuit for larger overcurrents. This is useful in the case of motors, as there will be a small overcurrent each time the engine is switched on for a short length of time, which should not trip the circuit.

### What are thermal magnetic circuit breakers used for?

Thermal magnetic circuit breakers are most often used in distribution boards. They make up part of the subsidiary circuits in the broader electrical supply system, protecting against overcurrent.

### What are thermal automotive circuit breakers used for?

Thermal automotive circuit breakers are used to protect electrical networks in most types of vehicles, including cars, vans, buses, and boats.



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Schneider Electric Thermal Breakers are critical components in electrical systems, designed to protect circuits and equipment from overcurrent conditions, such as short circuits and overloads. These breakers are used across various industries to ensure the safe and reliable operation of electrical installations.<h2>Features of Schneider Electric Thermal Breakers:</h2><ul><li>Tripping Mechanism: Thermal breakers use a bimetallic strip that heats up in response to excessive current, causing the breaker to trip and disconnect the circuit.</li><li>Adjustable Settings: Some models allow for adjustable current settings, providing flexibility for different applications.</li><li>Compact Design: Compact and space-saving design, suitable for various electrical panel sizes.</li><li>Easy Installation: Easy to install and replace, minimizing downtime during maintenance.</li><li>Multiple Pole Configurations: Available in single-pole, double-pole, and multi-pole configurations to suit specific needs.</li><li>Short Circuit Protection: Provide short circuit protection to prevent equipment damage and fires.</li><li>Wide Current Range: Offer a wide range of current ratings to accommodate different loads.</li></ul><h2>What are the benefits of Schneider Electric Thermal Breakers?</h2><ol><li>Enhanced Safety: Thermal breakers protect against overcurrent conditions, reducing the risk of electrical fires and equipment damage.</li><li>Reliability: These breakers ensure the continuous and reliable operation of electrical circuits, minimizing disruptions.</li><li>Versatility: Suitable for various industries, including residential, commercial, and industrial applications.</li><li>Adjustability: Some models allow for customized current settings, adapting to specific equipment and load requirements.</li><li>Ease of Maintenance: Easy installation and replacement simplify maintenance tasks, reducing downtime.</li><li>Compact Design: Space-efficient design fits into electrical panels of various sizes.</li><li>Compatibility: Schneider Electric Thermal Breakers are compatible with a wide range of electrical systems and components.</li><li>Cost Savings: Preventing equipment damage and fires leads to cost savings in repairs and replacements.</li></ol>

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