IALHK11-1REC5R-39400-40

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Circuit Breakers

Circuit breakers are electrical devices designed to protect electrical systems from overloading and short circuits. They are used to disconnect power in the event of an overload or fault, preventing potentially deadly shocks and costly damage to appliances or equipment. The IALHK11-1REC5R-39400-40 is a 3-pole circuit breaker designed for use in medium voltage power systems up to 40.5 kV. It is rated for 55 kA IR and 180 kA Ic.

IALHK11-1REC5R-39400-40 Application Field

The IALHK11-1REC5R-39400-40 is a medium voltage circuit breaker. It is designed for use in AC power distribution systems. It is a 3-pole breaker with a maximum voltage rating of 40.5 kV and a maximum fault interrupting rating of 55 kAIR and 180 kAIC. The IALHK11-1REC5R-39400-40 is suitable for use in AC medium voltage power systems, including overhead power transmission lines, underground cables, and power substations.

IALHK11-1REC5R-39400-40 Working Principle

The IALHK11-1REC5R-39400-40 uses a protective current sensing device to detect overcurrents and/or short circuits. When the current reaches the rated trip level, the breaker trips, opening the contacts and disconnecting the power. The operation of the IALHK11-1REC5R-39400-40 is similar to that of other circuit breakers. The breaker has an arc chute that directs the arc created during opening and closing operations away from the contacts. It also has a thermal element that trips the breaker when the current exceeds the rated trip level. Finally, the breaker has a mechanical trip bar that trips the breaker if the current remains at the trip level for more than a certain period of time.

Conclusion

The IALHK11-1REC5R-39400-40 is a 3-pole medium voltage circuit breaker designed for use in AC power systems. It is rated for a maximum voltage of 40.5 kV and rated for a maximum short circuit rating of 55 kAIR and 180 kAIC. The breaker detects overcurrents and/or short circuits and trips the contacts, disconnecting the power. The breaker has an arc chute, thermal element, and a mechanical trip bar to ensure proper operation when the current exceeds the trip level.

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