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cj19-25-11-110v chint 110vac 17a 1no + 1nc contactor for power factor correction
CHINT CJ19-25-11-110V capacitor switching contactor with 25 A rating and 110 V AC coil for reactive power compensation and power factor correction systems.
Why Choose the Chint CJ19-25-11-110V Power Factor Correction Contactor?
The Chint CJ19-25-11-110V is a dedicated power factor correction contactor designed for reliable switching and control of capacitor banks in industrial and commercial electrical systems. Part of the Chint CJ19 capacitor switching contactor series, it is engineered to reduce inrush current during capacitor energisation and improve the reliability of reactive power compensation systems.
Unlike standard contactors, the CJ19 series includes pre-charge resistor technology that helps suppress capacitor switching surges, protecting capacitor components and extending system service life. The unit is manufactured to IEC/EN 60947-4-1 standards and is designed specifically for AC-6b capacitor switching applications.
With a rated operational current of 17 A at 400 V AC, a 110 V AC coil supply and a three-pole configuration with 1 normally open and 1 normally closed auxiliary contact, the Chint CJ19-25-11-110V is suitable for automatic capacitor banks, power factor correction panels and industrial electrical distribution systems.
Key Advantages
- Specialised capacitor switching contactor for power factor correction systems.
- 17 A rated operational current at 400 V AC.
- 110 V AC coil voltage for industrial control applications.
- Integrated damping resistors reduce capacitor inrush current.
- Designed for reliable automatic capacitor bank switching.
- Compact design suitable for electrical control panels.
Key Features
- Chint CJ19 capacitor switching contactor series.
- 25 A thermal current rating.
- 17 A operational current at 400 V AC.
- Three-pole main contact configuration.
- 1NO + 1NC auxiliary contacts.
- 110 V AC 50/60 Hz coil voltage.
- AC-6b utilisation category for capacitor switching.
- Pre-charge resistor circuit for surge suppression.
- DIN rail or screw mounting options.
Reliable Capacitor Switching for Power Factor Correction
Power factor correction contactors such as the Chint CJ19-25-11-110V are designed to safely connect and disconnect capacitor banks used in reactive power compensation systems. Their specialised switching design helps minimise electrical stress caused by capacitor charging currents.
By improving power factor performance, capacitor switching systems can help reduce unnecessary reactive power consumption, improve electrical efficiency and support stable operation of industrial power networks.
Typical Applications
- Automatic power factor correction panels.
- Industrial capacitor banks.
- Reactive power compensation systems.
- Commercial electrical distribution boards.
- Factory automation control panels.
- Industrial low-voltage power systems.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Device Type | Capacitor Switching Contactor | |
| Current | 17 A | |
| Voltage | 110 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 3-pole | |
| Auxiliary Contacts | 1NO + 1NC | |
| Coil Type | AC | |
| Series | CJ19 Capacitor Switching Contactors | |
| Product type | Capacitor switching contactor | |
| Rated operational current | 25 A | |
| Utilisation category | AC-6b | |
| Rated operational voltage | Up to 690 V AC | |
| Control coil voltage | 110 V AC 50/60 Hz | |
| Pole configuration | 3-pole | |
| Auxiliary contacts | 1NO + 1NC | |
| Controlled capacitor capacity | approx. 12.5 kvar at 380/400 V | |
| Rated insulation voltage | 690 V | |
| Impulse withstand voltage | 6 kV | |
| Mounting type | DIN rail or screw mounting | |
| Protection rating | IP20 front protection | |
| Operating temperature | -5 °C to +40 °C | |
| Compliance standard | IEC/EN 60947-4-1 |
Frequently Asked Questions
What is the Chint CJ19-25-11-110V used for?
The Chint CJ19-25-11-110V is a capacitor switching contactor used for controlling capacitor banks in power factor correction systems.
What current rating does this contactor support?
The contactor has a 17 A rated operational current at 400 V AC and a 25 A thermal current rating.
What coil voltage does the CJ19-25-11-110V require?
The contactor uses a 110 V AC 50/60 Hz coil.
What makes the CJ19 different from a standard contactor?
The CJ19 series includes pre-charge resistors designed to reduce capacitor inrush current and protect capacitor switching circuits.
Where is this contactor typically installed?
The CJ19-25-11-110V is typically installed inside power factor correction cabinets, control panels and industrial electrical distribution systems.
Trusted by Industrial Electrical Professionals
Chint CJ19 capacitor switching contactors are widely used in industrial power factor correction systems to provide reliable capacitor bank control, reduced switching stress and efficient reactive power management.
