CJ20 AC Contactor
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产品详情
CJ20 AC Contactor / Low-Voltage Primary Components
1. Product Overview
This product is an AC contactor assembly designed for low-voltage switching and motor control in AC power distribution systems. It integrates the CJ20 AC contactor and other essential low-voltage primary components inside a control cabinet, distribution box or motor control center. The assembly is suitable for industrial motors, automation equipment, HVAC systems, lighting control panels and power distribution automation.
2. Core Components
- CJ20 AC Contactor
Mainly used for frequently switching on and off AC circuits and controlling motor startup, stop and operation.
- Coil
Receives control voltage and generates electromagnetic force to drive the contact mechanism.
- Main Contacts
Carries and switches the main load current during operation.
- Arc Chute
Rapidly extinguishes the electric arc produced when the main contacts are opened, protecting the contacts and extending service life.
- Auxiliary Contacts
Used for control circuit interlocking, status feedback and signal transmission.
- Terminal Block
Provides reliable connection for main circuits and control circuits.
- DIN Rail
Allows quick and standardized installation inside control panels and distribution boxes.
3. Key Features
- Reliable AC switching performance
- Suitable for frequent motor control
- Clear contact structure
- Good arc extinguishing capability
- Stable coil operation
- Easy installation and maintenance
- Compatible with various control circuits
- Widely used in industrial automation and motor control systems
4. Technical Specifications
| Item | Specification |
| Product Type | Low-Voltage Switching Assembly |
| Main Control Device | CJ20 AC Contactor |
| Rated Voltage | 220V / 380V / 400V AC |
| Coil Voltage | 24V / 110V / 220V / 380V AC |
| Frequency | 50 / 60 Hz |
| Application | Motor Control, Circuit Switching, Automation Control |
| Installation | DIN Rail or Panel Mounted |
| Protection Class | IP20 (typical) |
5. Applications
- Industrial motor control cabinets
- Motor control centers
- Automation equipment control panels
- HVAC systems
- Lighting control systems
- Conveyor lines
- Water pump control systems
- Packaging machinery and production lines
6. Usage Environment
- Indoor installation
- Ambient temperature: -5°C to +40°C
- Altitude: ≤ 2000 m
- Relative humidity: ≤ 50% at 40°C, ≤ 90% at 20°C
- No corrosive gases, no conductive dust, no strong vibration
- Dry and well-ventilated environment
7. Packing & Delivery
- Standard export packaging with inner foam protection
- Suitable for sea freight, air freight and land transportation
- Custom neutral packaging available based on order quantity
