The MINGTUO LC1 series AC contactors provide reliable switching and control for a wide range of electrical applications. Designed with advanced electromagnetic mechanisms and durable contact materials, these contactors ensure stable operation, long service life, and consistent performance in demanding industrial environments. Their compact, modular design allows flexible integration into various control systems while minimizing space requirements.
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 Highlights
Energy-efficient low-power coil design
Silver alloy contacts for superior conductivity and arc resistance
Modular accessory compatibility for auxiliary contacts, timers, and interlocks
35mm DIN rail or panel mounting options
High breaking capacity up to 10×Ie
Compact, space-optimized construction for easy installation
Primary Applications
Motor protection and control systems
HVAC system management and automation
Industrial automation and machine control
Pump and compressor operation
Lighting control circuits
Power distribution and switchgear networks
Quality Certification
Manufactured in compliance with IEC 60947-4-1 standards, each unit undergoes thorough validation, including:
Electrical endurance testing
Temperature rise evaluation
Insulation resistance verification
Mechanical operation assessment
Service Commitment
Comprehensive accessory support for auxiliary components
Assistance with international certifications
2-year manufacturer warranty
Complete technical documentation
Customized engineering and 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
40A AC Contactor / 3-Pole Power Contactor
380V Contactor / Power Switch
Control Relay / Magnetic Switch
Motor Controller
Core Functions & Applications
Fundamental Role
AC contactors act as critical electromechanical switches that allow repeated connection and interruption of power circuits. They enable high-load circuits to be controlled by low-power signals while maintaining electrical isolation between control and power systems.
Primary Application Domains
Motor Control Systems
Start/stop operations for three-phase motors
Motor reversing and protection circuits
Pump and compressor motor management
Conveyor and industrial machinery control
Automated machine tool operation
HVAC Solutions
Air conditioning compressor switching
Heating system power regulation
Ventilation and fan control
Chiller system management
Air handling unit operations
Industrial Automation
Power distribution for production lines
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 distribution panel operation
Specialized Implementations
Crane and hoist control systems
Elevator and escalator power management
Welding equipment control
Data center power distribution
Renewable energy system operations
Operational Advantages
Enables remote high-power circuit control
Provides operator safety through electrical isolation
Supports frequent operational cycles
Simplifies control circuit design
Extends equipment lifespan
Integrates seamlessly with automated systems
Competitive Advantages
- Superior Technical Performance
Up to 30 million mechanical operations
1–3 million electrical operations at rated current
High breaking capacity: 10×Ie
Low-energy coil design with ≤8VA consumption
- Advanced Contact Technology
Silver cadmium oxide contacts for enhanced arc resistance
Dual-breakpoint contact structure for improved reliability
High thermal stability and wear resistance
Stable contact resistance (<100mΩ) over lifespan
- Enhanced Safety Features
Comprehensive arc chute design
Dust-proof and pollution-resistant construction
Optional IP65 protection rating
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 adaptability
- Rigorous Quality Assurance
100% factory-tested for dielectric strength, mechanical reliability, and temperature rise
Compliant with IEC 60947-4-1 and GB 14048.4 standards
Full 3-year warranty and third-party validation available
- Tailored Customization Services
Specialized coils for different voltages
Custom contact configurations
Guaranteed emergency delivery in 7 days
OEM/ODM support for mass production
The LC1 AC contactors combine European design standards with precision manufacturing, delivering 50% longer electrical life and 40% lower energy consumption than conventional models. Their robust design and technical innovations reduce maintenance costs by up to 60%, making them ideal for industrial, commercial, and residential electrical control systems.
English
