The MINGTUO LC1 series IEC AC contactors provide reliable switching and robust control for a wide range of electrical applications. Engineered with advanced electromagnetic design and high-quality contact materials, these contactors ensure extended service life and stable performance even under demanding industrial conditions. Their compact structure allows easy integration into DIN rail or panel-mounted control systems.
Key Specifications
Rated Current: 9A–95A
Rated Voltage: 220V / 380V / 660V AC
Pole Configuration: 3P, 4P
Control Voltage: 24V–500V AC/DC
Mechanical Life: 10–30 million operations
Electrical Life: 1–3 million operations
Technical Features
Low-power consumption, energy-efficient coil design
Silver alloy contacts for superior conductivity and arc resistance
Modular accessory compatibility for auxiliary contacts and interlocks
DIN rail (35mm) and panel mounting options
High breaking capacity: 10×Ie
Compact, space-saving design for efficient panel layouts
Primary Applications
Motor control and protection
HVAC system power management
Industrial automation and process control
Pump and compressor motor operation
Commercial and industrial lighting control
Power distribution networks
Quality Assurance
Manufactured strictly according to IEC 60947-4-1 standards, each contactor undergoes thorough testing, including:
Electrical endurance verification
Temperature rise evaluation
Insulation resistance measurement
Mechanical operation reliability assessment
Service Support
Comprehensive accessory availability for flexible integration
Global certification support
2-year manufacturer warranty
Detailed technical documentation
Customized OEM/ODM solutions
Product Terminology
AC Contactor / AC Power Contactor / Electrical Contactor
Motor Contactor / Magnetic Contactor / Control Contactor / Power Relay
Electromagnetic Contactor / 3-Pole Contactor / Heavy Duty Contactor
Industrial Contactor / Motor Starter Contactor / HVAC Contactor / Lighting Contactor
32A AC Contactor / 3-Pole Power Contactor / 110V Contactor / Power Switch
Control Relay / Magnetic Switch / Motor Controller
Core Functions & Applications
Fundamental Role
AC contactors serve as essential electromechanical switches for controlling electrical power circuits. They repeatedly make and break high-power circuits using low-power control signals, providing safe, efficient management of electrical loads while maintaining electrical isolation between control and power systems.
Key Application Areas
Motor Control Systems
Three-phase motor start/stop operations
Motor reversing control circuits
Pump and compressor motor management
Conveyor and industrial machine tool control
HVAC Systems
Air conditioner compressor switching
Heating system power regulation
Ventilation fan control
Chiller system and air handling unit management
Industrial Automation
Production line power distribution
Machine automation integration
Process control system coordination
Robotic and assembly line power management
Power Distribution Networks
Commercial and industrial lighting control
Heating element power switching
Transformer load regulation
Capacitor bank management
Power factor correction systems
Special Applications
Crane and hoist control systems
Elevator and escalator power management
Welding equipment operation
Data center power distribution
Renewable energy system integration
Key Benefits
Enables remote high-power circuit control
Ensures electrical isolation for operator safety
Optimized for frequent operational cycles
Simplifies control circuit architecture
Extends equipment service life
Seamlessly integrates with automation systems
Competitive Advantages
- Exceptional Technical Performance
Mechanical lifespan: up to 30 million operations
Electrical life: 1–3 million operations at rated current
High breaking capacity: 10×Ie
Low-energy coil design (≤8VA)
- Advanced Contact Technology
Silver cadmium oxide contacts for superior arc resistance
Dual-breakpoint contact structure for stable operation
Excellent thermal stability and wear resistance
Contact resistance consistently <100mΩ
- Reinforced Safety & Protection
Comprehensive arc chute design
Dust-proof and pollution-resistant housing
Optional IP65 protection
Strong overload capacity: 8–10× rated current
- Intelligent Control & Integration
Wide control voltage range: 24–500V AC/DC
Fast response time (<25ms)
Modular auxiliary contact blocks for expansion
Flexible DIN rail and panel mounting options
- Rigorous Quality Assurance
100% factory-tested for dielectric strength, mechanical reliability, and temperature rise
Certified to IEC 60947-4-1 and GB 14048.4
3-year comprehensive product warranty
- Tailored Customization Solutions
Specialized coils for diverse voltage requirements
Custom contact configurations
Emergency delivery within 7 days
Full OEM/ODM support
The MINGTUO LC1 IEC AC contactors combine precision European design with robust manufacturing, delivering up to 50% longer electrical life and 40% lower energy consumption compared to conventional models, while reducing maintenance costs by 60% through reliable operation and comprehensive technical support.