W28-XQ1A-3.75

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Circuit breakers are essential components in power systems, designed to protect electrical equipment from over-current and short circuit. The W28-XQ1A-3.75 is a high-quality circuit breaker trusted by electricians and engineers around the world. It is able to effectively interrupt both normal and reverse currents, as well as absorb shocks from contact dislodgment.

Application Field

The W28-XQ1A-3.75 circuit breaker is a suitable choice for many applications including residential, commercial, and industrial. It is commonly used in systems for residential houses, apartments, and mobile homes. It is suitable for use in small shops and industrial sites where equipment with high power must be safeguarded from high electrical power. It is also widely used in photovoltaic systems and wind turbines, to ensure stable and reliable operation.

Working Principle

The W28-XQ1A-3.75 circuit breaker works on the principle of thermal-magnetic protection. When the current in the system increases beyond normal levels due to any fault, the thermal-magnetic element triggered within the circuit breaker responds to the rise in current. The thermal element activates first, making the contact between two parts of the circuit breaker to open, which effectively cuts off the power to the equipment in the circuit. Simultaneously, the magnetic element also activates, absorbing any contact shock from the instant opening of the circuit.

The W28-XQ1A-3.75 circuit breaker also has an adjustable response time for the thermal-magnetic element. The response time is adjustable, depending on the current rating of the breaker and the amount of current flowing through it. For instance, for a breaker rated for 160A of current, the thermal-magnetic element might respond in less than 0.03 seconds. The time needed for the circuit breaker to re-close depends on the type of equipment used in the system.

The W28-XQ1A-3.75 circuit breaker also features a manual reset as an added safety feature. This means that even after the breaker has tripped, the manual reset button can be used to re-energize the circuit. This allows the user to easily restore the system after a fault or power outage.

The W28-XQ1A-3.75 circuit breaker is an efficient and reliable choice for many applications. It is designed to provide protection against both high current and contact shock, ensuring a safe and reliable environment for all users. With adjustable response time and a manual reset feature, it is a trusted choice for residential and commercial use.

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