IELBXK11-36948-1-V Circuit Protection

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Circuit breakers are indispensable components in electric power systems, and IELBXK11-36948-1-V is a DC circuit breaker developed and produced by Guangzhou Power Company. The IELBXK11-36948-1-V circuit breaker is a new type of DC high-voltage air insulated circuit breaker with advanced performance and reliable operation.

The IELBXK11-36948-1-V circuit breaker is a three-phase composite electric air switch with non-arcing contacts. It is used in the breaking of alternating current (AC) or direct current (DC) systems, and is suitable for arc extinction in DC systems. The rated short-time withstand current is 63kA/1s and the rated operating voltage is 12kV.

This circuit breaker is mainly used in the rated voltage of 6-35kV three-phase AC networks and rated voltage 4.16-10.5kV three-phase DC networks. The IELBXK11-36948-1-V circuit breaker is widely used in new building electric power systems as well as the maintenance and transformation of existing facilities due to its high efficiency, good performances, anti-interference, and high reliability.

IELBXK11-36948-1-V circuit breaker works by charged contacts and an arc extinguishing aperture. When the breaker moves to the close or open position, the contacts will leave a gap that lets the electric power passes through. When the contacts are ionized, an arc will have been created. The arc extinguishing aperture will remove the arc by ejecting metal or specific gas into the air gap.

The IELBXK11-36948-1-V circuit breaker is engineered with several safety features. It is equipped with a safety interlock to stop it from closing when it is off, a double insulation shell to protect from shocks, and a handle that will prevent it from opening or closing accidently. The body also contains integrated self-check and self-identification features to ensure the breaker is working properly.

In conclusion, the IELBXK11-36948-1-V circuit breaker is a reliable and cost-effective choice for AC or DC electric power systems, and is suitable for arc extinction in DC systems. It features high efficiency, good performance, anti-interference, and high reliability. It is suitable for new building electric power systems as well as for the maintenance and transformation of existing facilities.

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