IEGH21-29181-1-V Circuit Protection

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Circuit breakers are essential components in any electrical system, as they provide a means of disconnecting an unstable electrical system from the power source. The IEGH21-29181-1-V circuit breaker is a type of circuit breaker designed to provide reliable long-term protection for electrical circuits.

The IEGH21-29181-1-V circuit breaker is suitable for applications requiring a high degree of switching security and reliable long-term operation. It is designed for control of electrical circuits connected to the high voltage line. It is suitable for automatic or manual switching operations in medium- and low-voltage networks. It offers customers safe and reliable protection against overloads and short circuits.

The IEGH21-29181-1-V has a compact, all-steel construction that is highly resistant to shock, vibration, and extreme temperatures. The circuit breaker has two built-in auxiliary contacts that can be used to trigger an alarm or activate a warning lamp when an overload or short circuit is detected. The terminal sections of the circuit breaker have been designed to ensure a secure contact with the corresponding terminals of the electrical system.

In terms of working principle, the IEGH21-29181-1-V works by using either the thermal or magnetic principle. In the thermal principle, when the current passing through the circuit breaker is continuously increased, a bimetallic strip inside the breaker heats up and expands, which in turn trips the contacts of the breaker. When the contacts open, the current stops and the circuit is disconnected. In the magnetic principle, when an overcurrent or short circuit occurs, a magnetic relay is activated, which trips the contacts.

The IEGH21-29181-1-V circuit breaker is designed to provide reliable protection against overloads and short circuits in medium- and low-voltage networks. It is suitable for control of electrical circuits connected to the high voltage line. It has two built-in auxiliary contacts that can be used to trigger an alarm or activate a warning lamp when an overload or short circuit is detected. In terms of working principle, the IEGH21-29181-1-V works by using either the thermal or magnetic principle.

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