IELR11-1-61-6.00-91

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Circuit Breakers

IELR11-1-61-6.00-91 is a type of circuit breaker, which is a device designed to protect electrical circuits from overloads and short circuits by automatically disconnecting the circuit from the power source. Circuit breakers are designed to detect faults, usually in less than 200 milliseconds, Providing a rapid shutdown and improved safety for electrical systems.

Application Field

IELR11-1-61-6.00-91 is primarily used in residential and commercial buildings as well as industrial facilities for protection against unintended overloads and short circuits. It is also used as a switching device in low and medium voltage breaker switches, transfer switches, safety switches, isolation switches, transfer switches, surge suppressors, and other protective devices.

Circuit breakers are typically used in the following applications:

• Residential and industrial buildings
• Transfer switches
• Safety switches
• Isolation switches
• Surge suppressors
• Other protective devices

Working Principle

The working principle behind IELR11-1-61-6.00-91 circuit breakers is a thermal-magnetic trip unit, which senses current that is drawn from the circuit. This current is monitored and when it reaches a predetermined level, the breaker trips, disconnecting the circuit and preventing further damage. The current draw is measured by two sensors called current transformers, which measure the current draw in two different ways. The first measures the current as it flows through the circuit, while the second measures the current as it is passed through a solenoid, producing an electromagnetic field.

When the current reaches the trip level, the solenoid applies a magnetic field to the trip coil, which causes it to release a switch, thus breaking the circuit. The circuit is reset manually either by turning a switch or pushing a button. The reset button is located on the front of the circuit breaker and must be held down until the breaker is reset. This helps to ensure that the circuit does not trip again when reset, as the current level must be reduced significantly before it will reset.

Conclusion

IELR11-1-61-6.00-91 is a type of circuit breaker, which is designed to detect overloaded and short circuits and protect electrical circuits from damage. It is mainly used in residential and commercial buildings as well as industrial facilities and in a variety of protective devices. The working principle of the circuit breaker is based on the thermal-magnetic trip unit. The trip unit works by detecting the current draw of the circuit and tripping the breaker when this current reaches a predetermined level. The circuit is then reset manually by pressing the reset button located on the front of the circuit breaker.

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