IULHK112-34773-3 Circuit Protection

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Circuit Breakers are electrical circuits that use a special electric switch to automatically disconnect a circuit during an overload or short circuit in order to prevent damage to the electricity system or equipment. The IULHK112-34773-3 is a tripping range circuit breaker designed for applications with a rated current of up to 4 Amps.

The IULHK112-34773-3 is designed for use in industrial control equipment, including control panels, building apparatus, and similar applications. It features a quick response time to help protect against electric shock and comply with safety standards. It can be connected to one of the four standard wiring methods: direct current (DC), alternating current (AC), high-voltage direct current (HVDC), and pulsed direct current (PDC).

The tripping range of the IULHK112-34773-3 is between 4 Amps and 0.5 Amps. The closing range range is also between 4 Amps and 0.5 Amps. The tripping time is 0.3-30 seconds, depending on the current, and 0.1-15 seconds for the closing time. The standard operating voltage is from 0-125 AC/DC.

The working principle of the circuit breaker is based on the fact that when the current in the circuit exceeds a certain value, an object called a bimetallic strip will bend due to the heat generated by the excess current. This causes the contact points on the strip to disengage and break the circuit, thereby preventing any further current flow.

In order to reset the circuit breaker, the current that overloaded the system must be disconnected before a reset switch, which is usually located on the side of the panel, can be pressed. This allows the bimetallic strip to cool down and reset itself. Once the reset has been performed, the circuit breaker is returned to a normal working state.

The IULHK112-34773-3 is designed to meet the needs of the modern industrial environment, with its quick response time and wide range of working voltages. It is an ideal solution for those applications that require fast and reliable protection against electrical overload and short circuits.

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