The MINGTUO LC1 series magnetic AC contactors provide reliable switching and precise control across diverse electrical systems. Constructed with advanced electromagnetic design and high-grade contact materials, they ensure extended operational life and consistent performance in demanding industrial environments. Their compact, DIN rail-compatible structure allows easy installation while conserving space in control panels.
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
* Energy-efficient, low-power coil design
* Silver alloy contacts for superior conductivity and arc resistance
* Modular accessory compatibility for auxiliary contacts and interlocks
* 35mm DIN rail mounting for easy installation
* High breaking capacity: 10×Ie
* Compact, space-saving design
Primary Applications
* Motor control and protection
* HVAC system power management
* Industrial automation and production line control
* Pump and compressor motor operation
* Commercial and industrial lighting control
* Power distribution systems
Quality Assurance
Manufactured in strict accordance with IEC 60947-4-1 standards, each unit undergoes comprehensive testing, including:
* Electrical endurance testing
* Temperature rise verification
* Insulation resistance checks
* Mechanical operation reliability testing
Service Support
* Complete accessory ecosystem for auxiliary devices
* Global certification support
* 2-year manufacturer warranty
* Detailed technical documentation
* Customized OEM/ODM solutions
Product Terminology
* AC Contactor / 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
* 25A AC Contactor / 3-Pole Power Contactor
* 220V Contactor / Power Switch
* Control Relay / Magnetic Switch
* Motor Controller
Core Functions & Applications
Fundamental Role
AC contactors act as essential electromechanical switches for managing power circuits. They allow repeated connection and disconnection of high-load circuits using low-power control signals while maintaining electrical isolation between control and power systems.
Primary Application Domains
Motor Control Systems
* Three-phase motor start/stop operations
* Motor reversing 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
* Transformer load regulation
* Capacitor bank management and power factor correction
* Switchgear and panel operations
Special Applications
* Crane and hoist control systems
* Elevator and escalator power management
* Welding equipment operation
* Data center power distribution
* Renewable energy system integration
Operational Advantages
* Enables safe remote high-power circuit control
* Provides electrical isolation for operator safety
* Designed for frequent operational cycles
* Simplifies control circuit architecture
* Extends equipment lifespan
* Integrates seamlessly with automated systems
Competitive Advantages
- Superior Technical Performance
* 30 million mechanical operation lifespan
* 1–3 million electrical operations at rated current
* High breaking capacity: 10×Ie
* Low-energy coil design (≤8VA)
- Advanced Contact Technology
* Silver cadmium oxide contacts for high arc resistance
* Dual-breakpoint contact structure for reliable switching
* Excellent thermal stability and wear resistance
* Stable contact resistance (<100mΩ)
- Enhanced Safety Features
* Comprehensive arc chute design
* Dust-proof and pollution-resistant housing
* Optional IP65 protection available
* Strong overload tolerance: 8–10× rated current
- Smart Control Compatibility
* Wide control voltage range: 24–500V AC/DC
* Rapid response time (<25ms)
* Modular auxiliary contact blocks for flexible configuration
* DIN rail and panel mounting options
- Rigorous Quality Assurance
* 100% factory-tested for dielectric strength, mechanical reliability, and temperature rise
* Compliant with IEC 60947-4-1 and GB 14048.4
* 3-year comprehensive product warranty
- Tailored Customization Services
* Specialized coils for diverse voltages
* Custom contact configurations
* Emergency delivery within 7 days
* Full OEM/ODM support
The MINGTUO LC1 magnetic AC contactors combine European design precision with robust manufacturing standards, delivering 50% longer electrical life, 40% lower energy consumption, and up to 60% reduction in maintenance costs compared with conventional models. They are ideal for industrial, commercial, and residential electrical control applications requiring reliable operation and equipment protection.