T21-4-2.50A-01-11A

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Circuit Breakers

A circuit breaker is a safety device that is designed to protect electrical circuits and equipment from damage caused by overload or short circuit. Circuit breakers are essential components of electrical systems and are available in a variety of sizes, designs, and settings.

The T21-4-2.50A-01-11A is a type of circuit breaker that is specifically designed for home use. This model is UL-listed and It is capable of handling up to 30 Amps of power, making it suitable for most household electrical applications. The T21-4-2.50A-01-11A is manually adjustable and its trip setting range is 2 Amp to 25 Amp.

Application Field

The T21-4-2.50A-01-11A is suitable for protecting a variety of electrical systems, including single-phase 120 VAC, 120/240 VAC split-phase, and three-phase 240 VAC systems. It is particularly useful for protecting appliances and motors against dangerous overloads or short circuits. This device can also provide additional protection in aluminum cabling and wire systems.

Working Principle

The principle behind circuit breakers is simple: an adjustable bimetallic strips, housed within the device, will bend and break when exposed to a certain set temperature, tripping the breaker and preventing electricity flow within the system. This temperature is adjustable and can be adjusted through the manual trip setting within the circuit breaker. The T21-4-2.50A-01-11A is designed with a heat-resistant bimetallic strip and is capable of withstand temperatures up to 150°C.

Circuit breakers are efficient, space-saving and easy to install, making them a popular choice in a variety of electrical applications. The T21-4-2.50A-01-11A is a single-pole breaker with a pole-to-pole design, making it a reliable and safe option for residential and other applications.

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