Name: CJ19 Contactors for Capacitor Switching
Brand: Chint

CJ19 Contactors for Capacitor Switching

CJ19 Series capacitor contactors are designed for use in power systems up to 690V, specifically for connecting or disconnecting low-voltage reactive power compensation equipment or switching low-voltage parallel capacitors. These contactors are ideal for applications in power distribution and energy optimization.

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What is the main function of the CJ19 Contactors for Capacitor Switching?

The CJ19 is designed for connecting and disconnecting low-voltage capacitor banks, preventing inrush current and transient overvoltage during switching operations.

How does it protect capacitors from inrush current?

It integrates pre-charge resistors that momentarily connect during capacitor energization, limiting surge current and ensuring smooth capacitor engagement.

What are the available current and voltage ratings?

The CJ19 series covers 25–170 A and operates up to 690 V, suitable for capacitor banks rated from 7.2 to 156 kvar.

How is the CJ19 different from standard AC contactors?

Unlike regular contactors, the CJ19 is specially designed with arc-resistant contacts and damping resistors, optimized for the AC-6b utilization category, ideal for capacitor circuits.

Where can it be used?

It is widely used in power factor correction panels, automatic capacitor compensation cabinets, and industrial power distribution systems requiring reliable reactive power control.

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CJ19 Contactors for Capacitor Switching

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