Picture of CJ19-4311 Capacitor Contactor - 20kVAR, 220V, 1NO+1NC

CJ19-4311 Capacitor Contactor - 20kVAR, 220V, 1NO+1NC

200 000,00 soʻm

CJ19 contactors are essential components in power factor correction systems, specifically designed for switching capacitor banks. They prevent damaging inrush currents that occur when capacitors are energized, which can cause significant contact wear. These contactors utilize a staged switching process: auxiliary contacts first engage resistors to limit the initial current surge, followed by the main contacts once the current is safely reduced. This protects equipment and extends the lifespan of the capacitor bank.

SKU: VTV-0001823
Vendor: ARBOSS

Capacitor Contactor CJ19-4311, 20kVAR, 1NO+1NC, 220V — Reactive Power Compensation Switching

Capacitor Contactor CJ19-4311, 20kVAR, 1NO+1NC, 220V is a specialized contactor designed for switching capacitor banks in reactive power compensation systems. Featuring a normally open (NO) and a normally closed (NC) auxiliary contact, this 220V AC powered contactor mitigates inrush currents during capacitor switching, preventing contact damage and ensuring reliable operation. Its staged switching design extends the lifespan of the contactor and the connected capacitors, improving system efficiency and reducing maintenance.

Technical Specifications:

  • Type: Capacitor Contactor

  • Standard: GOST 30698-2000 (likely, specific standard may vary)

  • Base Material: Steel, Ceramic, and Insulating Materials

  • Application: Indoor

  • Consumption: Not applicable (component, not consumable)

  • Drying Time: Not applicable

  • Durability: Designed for frequent switching operations with inrush current protection; Mechanical life: 10 million operations; Electrical life: 500,000 operations (at rated load)

  • Packaging: Individual carton box

Advantages:

  • Protects contacts from damaging inrush currents.

  • Extends the lifespan of both the contactor and capacitors.

  • Ensures reliable and efficient reactive power compensation.

  • Staged switching minimizes electrical stress.

  • Reduces system downtime and maintenance costs.

  • Provides auxiliary contacts for control and signaling.

Applications:

  • Power factor correction panels (PFC).

  • Industrial reactive power compensation systems.

  • HVAC systems with large capacitor banks.

  • Switchgear and motor control centers (MCCs) requiring capacitor switching.

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