3.3kV AC Low Voltage Vacuum Contactor for Mining
This AC low voltage vacuum contactor is designed for mining applications in electrical networks. It is rated for a main loop voltage of 3.3kV and a rated current of 350A.
Technical Specifications
Overview
High-Performance Mining Vacuum Contactor
The VACKJ-350A/3.3KV is a specialized AC low voltage vacuum contactor engineered specifically for the demanding environments of the mining industry. It is designed to connect and break circuits while providing frequent start and control capabilities for AC electromotors in 50Hz electrical networks. Its robust construction makes it an ideal component for explosion-proof magnetic starters and various protective equipment configurations.
Key Performance Metrics
Primary Performance Metrics
3.3 kV
Rated Voltage
350 A
Rated Current
50 Hz
Frequency
Technical Specifications
- Rated Main Loop Voltage
- 3.3 kV
- Rated Current
- 350 A
- Rated Frequency
- 50 Hz
Application & Compatibility
Primary Applications
- Circuit connection and breaking
- Frequent AC electromotor starting
- Motor control operations
- Explosion-proof magnetic starters
- Mining machinery electrical safety
Compliance & Standards
- International Standards
- GB-T14808IEC 60470GB/T 11022
Operational Features
Environmental Suitability
Mining GradeLow VoltageExplosion-Proof Compatible
- Interrupter Technology
- Vacuum Interrupter
