IULHK111-1REC4-42-7.50-01 Circuit Protection

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Circuit breakers are essential components in industrial use, helping to prevent power outages and surges that can be hazardous, costly, and damaging. IULHK111-1REC4-42-7.50-01 is a specific type of circuit breaker with unique applications and working principles.

Application Field

IULHK111-1REC4-42-7.50-01 circuit breakers are designed to be used in three-phase electric circuits. It has a voltage rating of up to 690 volts and current up to 42amps, which is suitable for most industrial electrical systems. Besides, IULHK 111-1REC4-42-7.50-01 circuit breakers have fuses, which makes it suitable for industrial use where fuses are required.

The unique design of IULHK111-1REC4-42-7.50-01 circuit breaker makes ideal for difficult locations, such as places with a lot of dust or moisture or in harsh temperatures. This is due to its robust design that can withstand temperature from -40℃ to 70℃. Additionally, the insulation and corrosion resistance also helps prevent electric arc and spark, making it suitable for use in hazardous conditions.

Working Principle

The working principle of IULHK111-1REC4-42-7.50-01 circuit breakers is thermal-magnetic protection. This is achieved by a series of components that work together to detect and respond to an overload or short circuit.

When a short circuit or an overload current is detected, the current flowing through the breaker activates a magnetic coil, which causes the switch to open and break the circuit. In addition, an overload current will also activate the thermal component of the breaker by heating up the bimetal, causing it to bend and open the circuit.

Since the IULHK111-1REC4-42-7.50-01 circuit breaker uses both thermal and magnetic protection, it is more effective than traditional breakers that only use one type of protection. This combination of thermal-magnetic protection provides more accurate protection of the circuit by responding more quickly to the overload or short circuit. Furthermore, with its robust design and features, the IULHK111-1REC4-42-7.50-01 circuit breaker is ideal for industrial use.

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