AC Low Voltage Vacuum Contactor
This AC low voltage vacuum contactor is designed for electric power transmission and distribution applications. It utilizes vacuum interrupters for arc extinction, ensuring efficient switching and protection in diverse industrial settings.



Technical Specifications
Product Overview
High-Performance AC Low Voltage Vacuum Contactor
The CKG Type AC LV Vacuum Contactor is engineered for frequent starting and stopping of AC motors and remote circuit making and breaking. Designed for reliability in demanding environments, it features vacuum interrupters for superior arc extinction and enhanced operational safety. This contactor is ideal for applications in power systems with AC 50-60Hz, supporting rated operating voltages up to 1140V and currents up to 630A.
Key Performance Metrics
Key Performance Metrics
Technical Specifications
Main Technical Parameters
| Parameter | CKG12/160 | CKG12/250 | CKG12/400 | CKG12/630 |
|---|---|---|---|---|
| Rated Current (A) | 160 | 250 | 400 | 630 |
| Main Circuit Voltage (V) | 12000 | 12000 | 12000 | 12000 |
| Control Circuit Voltage (V) | 110/220/380 | 110/220/380 | 110/220/380 | 110/220/380 |
| Making Capacity | 10le (100 times) | 10le (100 times) | 10le (100 times) | 10le (100 times) |
| Breaking Capacity | 8le (25 times) | 8le (25 times) | 8le (25 times) | 8le (25 times) |
| Limit Breaking Current | 10le | 10le | 10le | 10le |
| Weight (kg) | 30 | 30 | 30 | 30 |
Mechanical Details
Mechanical Specifications
- Torque: 5 ± 0.5 mm
- Over stroke: 2 ± 0.2 mm
- Final pressure: >85 N
Insulation Performance
Line Frequency Withstand Voltage
- Main circuit: 4200V
- Auxiliary circuit: 2500V
- Control circuit: 2000V
Applications
- Target Industries
- Coal MinesPetrochemicalMetallurgyTextilesBuilding MaterialsMotor ControlCapacitor Switching
Installation
Installation Dimensions
- Height: 542 mm
- Width: 468 mm
- Depth: 218 ± 2 mm
- Mounting Holes: 4-Φ11
- Base Dimensions: 448 x 100 mm

Packaging
- Packaging Details
- Standardized cardboard box packaging for secure transport.




