LC1D Series AC Contactor | TeSys 3P 9A-95A Motor Control Contactor
LC1D Series AC Contactor | TeSys 3P 9A-95A Motor Control Contactor
The LC1D Series AC Contactor (TeSys) is a high-performance 3-pole contactor designed for motor control and power switching applications. Available in 9A~95A ratings with AC-3 400V capability, it features 1NO/1NC auxiliary contacts and compatible coil voltages (24V/110V/220V). DIN rail-mounted and built to IEC standards, it delivers reliable performance in industrial machinery, HVAC systems, and automation equipment.
The LC1D Series AC Contactor (TeSys) is a high-performance 3-pole contactor designed for motor control and power switching applications. Available in 9A~95A ratings with AC-3 400V capability, it features 1NO/1NC auxiliary contacts and compatible coil voltages (24V/110V/220V). DIN rail-mounted and built to IEC standards, it delivers reliable performance in industrial machinery, HVAC systems, and automation equipment.
1. Product Overview
The LC1D Series TeSys AC Contactor is a versatile industrial-grade contactor engineered for motor control, power switching, and automation applications. Part of the TeSys control family, this 3-pole contactor is available in 9A-95A ratings, with AC-3 400V capability and 1NO/1NC auxiliary contacts. Built for reliability and long service life, it is ideal for use in industrial machinery, HVAC systems, pump control, and automation equipment, ensuring consistent performance in diverse working conditions.
2. Core Product Features
1. Versatile Current & Voltage Ratings
- Current Range: 9A / 12A / 18A / 25A / 32A / 40A / 50A / 65A / 80A / 95A models, covering light to medium industrial motor loads
- Rated Voltage: 400V AC (AC-3 duty), compatible with standard industrial power grids
- Coil Voltage Options: 24V, 110V, 220V AC/DC coils available to match control system requirements
- Auxiliary Contacts: Standard 1NO + 1NC auxiliary contacts for status feedback and interlocking
2. Reliable Electrical Performance
- AC-3 Rated: Optimized for motor starting and stopping (AC-3 duty), with high breaking capacity for inductive loads
- Silver Alloy Contacts: Low-resistance contacts minimize arcing and ensure long service life
- Low Power Consumption: Energy-efficient coil design reduces power draw while maintaining reliable operation
- High Short-Circuit Withstand: Robust construction withstands fault currents in industrial environments
3. Safety & User-Friendly Design
- TeSys Control Interface: Clear front panel marking for easy coil voltage and status identification
- Modular DIN Rail Mount: Standard 35mm DIN rail mounting for quick, tool-less installation
- Finger-Safe Terminals: Protected terminal design prevents accidental contact during installation and maintenance
- Clear Wiring Markings: Standard terminal labels (L1/L2/L3, T1/T2/T3, A1/A2, NO/NC) simplify wiring
4. Durability & Reliability
- Long Mechanical Life: 10,000,000+ operations for long-term use in high-frequency applications
- Wide Operating Temperature: -25°C to +55°C, suitable for diverse industrial environments
- Compliant with IEC Standards: Manufactured to meet IEC 60947-4-1 requirements for safety and reliability
- Shock & Vibration Resistant: Robust internal components withstand typical industrial vibration conditions
3. Working Conditions
This contactor is designed to perform reliably under standard industrial operating conditions:
- Ambient Temperature: -25°C to +55°C
- Protection Rating: IP20 (front face), suitable for indoor use in control panels
- Atmospheric Conditions: Air free of corrosive gases, excessive dust, and flammable materials
- Altitude: ≤2000 meters above sea level
- Vibration Resistance: Withstands typical industrial mechanical vibration (10-150Hz, 0.7g)
- Pollution Degree: Pollution Degree 2, suitable for standard industrial environments
4. Technical Specifications
| Model | Rated Current Ie (A) | Motor Power(kW 400V) | Auxiliary Contacts | Weight (kg) | Dimensions W×H×D (mm) |
|---|---|---|---|---|---|
| LC1D09 | 9 | 4 | 1NO+1NC | 0.32 | 45×85×76 |
| LC1D12 | 12 | 5.5 | 1NO+1NC | 0.325 | 45×85×76 |
| LC1D18 | 18 | 7.5 | 1NO+1NC | 0.33 | 45×85×76 |
| LC1D25 | 25 | 11 | 1NO+1NC | 0.37 | 45×85×76 |
| LC1D32 | 32 | 15 | 1NO+1NC | 0.43 | 45×85×76 |
| LC1D40 | 40 | 18.5 | 1NO+1NC | 0.55 | 55×95×85 |
| LC1D50 | 50 | 22 | 1NO+1NC | 0.65 | 55×95×85 |
| LC1D65 | 65 | 30 | 1NO+1NC | 0.75 | 55×95×85 |
| LC1D80 | 80 | 37 | 1NO+1NC | 0.95 | 70×110×95 |
| LC1D95 | 95 | 45 | 1NO+1NC | 1.10 | 70×110×95 |
| Item | Specification |
|---|---|
| Rated Operational Voltage (Ue) | ≤690 V AC, 25~400 Hz |
| Rated Insulation Voltage (Ui) | 690 V (IEC), 600 V (UL/CSA) |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Frequency | 50/60 Hz |
| Mechanical Life | Up to 30,000,000 cycles |
| Electrical Life (AC-3 @400V) | Up to 2,000,000 cycles |
| Electrical Life (AC-1 @400V) | Up to 1,400,000 cycles |
| Max Operating Frequency | 3,600 cycles/h |
| Operating Time (20°C) | Closing: 70 ms; Opening: 25 ms |
| Operating Ambient Temperature | -5°C ~ +60°C |
| Storage Temperature | -40°C ~ +70°C |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Protection Grade | IP20 |
5. Typical Applications
- Industrial motor control (pumps, fans, compressors)
- HVAC and refrigeration systems
- Manufacturing line automation equipment
- Commercial building power distribution
- Control panels and PLC-based automation systems
- Renewable energy power distribution systems
- Emergency shutdown and safety circuits
6. Frequently Asked Questions (FAQ)
1. What does “AC-3 rated” mean for this contactor?
AC-3 duty is the standard rating for motor starting and stopping. It means the contactor can safely handle the high inrush current of motor startup and inductive loads, making it ideal for direct motor control applications.
2. Can I use this contactor for both AC and DC coil voltages?
No. The LC1D series is available in both AC and DC coil versions. Ensure you select the correct coil voltage (AC or DC) matching your control system requirements.
3. What is the purpose of the auxiliary contacts (1NO/1NC)?
The auxiliary contacts are used for status feedback, interlocking with other devices, or controlling secondary circuits. For example, the NO contact can signal the motor is running, while the NC contact can be used for safety interlocks.
4. How do I choose the right current rating for my motor?
Select the contactor with a rated current (AC-3) equal to or slightly higher than the motor’s full-load current. For example, a 5.5kW motor typically requires a 12A contactor, so the LC1D09 may be too small, while the LC1D32 would be suitable.
5. Is this contactor suitable for outdoor use?
No. The LC1D series has an IP20 protection rating, which is only suitable for indoor use in control panels. It is not waterproof and should not be exposed to rain, moisture, or direct outdoor conditions.
6. How do I install the LC1D contactor?
Installation steps:
- Mount the contactor on a standard 35mm DIN rail in the control panel.
- Connect the main power lines to the L1/L2/L3 terminals and load lines to T1/T2/T3.
- Connect the control coil voltage to the A1/A2 terminals, matching the coil voltage rating.
- Wire the auxiliary contacts (NO/NC) as needed for status feedback or interlocking.
- Test the contactor by applying control voltage to verify proper operation.
7. Technical documentation and support
Download the full datasheet for detailed specifications, wiring diagrams and trip coordination guides.
Please contact our technical team for custom configuration or OEM/ODM solutions for your project.
Request a quote with details about your project for volume pricing, lead times, and compliance certifications.
1. Product Overview
The LC1D Series TeSys AC Contactor is a versatile industrial-grade contactor engineered for motor control, power switching, and automation applications. Part of the TeSys control family, this 3-pole contactor is available in 9A-95A ratings, with AC-3 400V capability and 1NO/1NC auxiliary contacts. Built for reliability and long service life, it is ideal for use in industrial machinery, HVAC systems, pump control, and automation equipment, ensuring consistent performance in diverse working conditions.
2. Core Product Features
1. Versatile Current & Voltage Ratings
- Current Range: 9A / 12A / 18A / 25A / 32A / 40A / 50A / 65A / 80A / 95A models, covering light to medium industrial motor loads
- Rated Voltage: 400V AC (AC-3 duty), compatible with standard industrial power grids
- Coil Voltage Options: 24V, 110V, 220V AC/DC coils available to match control system requirements
- Auxiliary Contacts: Standard 1NO + 1NC auxiliary contacts for status feedback and interlocking
2. Reliable Electrical Performance
- AC-3 Rated: Optimized for motor starting and stopping (AC-3 duty), with high breaking capacity for inductive loads
- Silver Alloy Contacts: Low-resistance contacts minimize arcing and ensure long service life
- Low Power Consumption: Energy-efficient coil design reduces power draw while maintaining reliable operation
- High Short-Circuit Withstand: Robust construction withstands fault currents in industrial environments
3. Safety & User-Friendly Design
- TeSys Control Interface: Clear front panel marking for easy coil voltage and status identification
- Modular DIN Rail Mount: Standard 35mm DIN rail mounting for quick, tool-less installation
- Finger-Safe Terminals: Protected terminal design prevents accidental contact during installation and maintenance
- Clear Wiring Markings: Standard terminal labels (L1/L2/L3, T1/T2/T3, A1/A2, NO/NC) simplify wiring
4. Durability & Reliability
- Long Mechanical Life: 10,000,000+ operations for long-term use in high-frequency applications
- Wide Operating Temperature: -25°C to +55°C, suitable for diverse industrial environments
- Compliant with IEC Standards: Manufactured to meet IEC 60947-4-1 requirements for safety and reliability
- Shock & Vibration Resistant: Robust internal components withstand typical industrial vibration conditions
3. Working Conditions
This contactor is designed to perform reliably under standard industrial operating conditions:
- Ambient Temperature: -25°C to +55°C
- Protection Rating: IP20 (front face), suitable for indoor use in control panels
- Atmospheric Conditions: Air free of corrosive gases, excessive dust, and flammable materials
- Altitude: ≤2000 meters above sea level
- Vibration Resistance: Withstands typical industrial mechanical vibration (10-150Hz, 0.7g)
- Pollution Degree: Pollution Degree 2, suitable for standard industrial environments
4. Technical Specifications
| Model | Rated Current Ie (A) | Motor Power(kW 400V) | Auxiliary Contacts | Weight (kg) | Dimensions W×H×D (mm) |
|---|---|---|---|---|---|
| LC1D09 | 9 | 4 | 1NO+1NC | 0.32 | 45×85×76 |
| LC1D12 | 12 | 5.5 | 1NO+1NC | 0.325 | 45×85×76 |
| LC1D18 | 18 | 7.5 | 1NO+1NC | 0.33 | 45×85×76 |
| LC1D25 | 25 | 11 | 1NO+1NC | 0.37 | 45×85×76 |
| LC1D32 | 32 | 15 | 1NO+1NC | 0.43 | 45×85×76 |
| LC1D40 | 40 | 18.5 | 1NO+1NC | 0.55 | 55×95×85 |
| LC1D50 | 50 | 22 | 1NO+1NC | 0.65 | 55×95×85 |
| LC1D65 | 65 | 30 | 1NO+1NC | 0.75 | 55×95×85 |
| LC1D80 | 80 | 37 | 1NO+1NC | 0.95 | 70×110×95 |
| LC1D95 | 95 | 45 | 1NO+1NC | 1.10 | 70×110×95 |
| Item | Specification |
|---|---|
| Rated Operational Voltage (Ue) | ≤690 V AC, 25~400 Hz |
| Rated Insulation Voltage (Ui) | 690 V (IEC), 600 V (UL/CSA) |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Frequency | 50/60 Hz |
| Mechanical Life | Up to 30,000,000 cycles |
| Electrical Life (AC-3 @400V) | Up to 2,000,000 cycles |
| Electrical Life (AC-1 @400V) | Up to 1,400,000 cycles |
| Max Operating Frequency | 3,600 cycles/h |
| Operating Time (20°C) | Closing: 70 ms; Opening: 25 ms |
| Operating Ambient Temperature | -5°C ~ +60°C |
| Storage Temperature | -40°C ~ +70°C |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Protection Grade | IP20 |
5. Typical Applications
- Industrial motor control (pumps, fans, compressors)
- HVAC and refrigeration systems
- Manufacturing line automation equipment
- Commercial building power distribution
- Control panels and PLC-based automation systems
- Renewable energy power distribution systems
- Emergency shutdown and safety circuits
6. Frequently Asked Questions (FAQ)
1. What does “AC-3 rated” mean for this contactor?
AC-3 duty is the standard rating for motor starting and stopping. It means the contactor can safely handle the high inrush current of motor startup and inductive loads, making it ideal for direct motor control applications.
2. Can I use this contactor for both AC and DC coil voltages?
No. The LC1D series is available in both AC and DC coil versions. Ensure you select the correct coil voltage (AC or DC) matching your control system requirements.
3. What is the purpose of the auxiliary contacts (1NO/1NC)?
The auxiliary contacts are used for status feedback, interlocking with other devices, or controlling secondary circuits. For example, the NO contact can signal the motor is running, while the NC contact can be used for safety interlocks.
4. How do I choose the right current rating for my motor?
Select the contactor with a rated current (AC-3) equal to or slightly higher than the motor’s full-load current. For example, a 5.5kW motor typically requires a 12A contactor, so the LC1D09 may be too small, while the LC1D32 would be suitable.
5. Is this contactor suitable for outdoor use?
No. The LC1D series has an IP20 protection rating, which is only suitable for indoor use in control panels. It is not waterproof and should not be exposed to rain, moisture, or direct outdoor conditions.
6. How do I install the LC1D contactor?
Installation steps:
- Mount the contactor on a standard 35mm DIN rail in the control panel.
- Connect the main power lines to the L1/L2/L3 terminals and load lines to T1/T2/T3.
- Connect the control coil voltage to the A1/A2 terminals, matching the coil voltage rating.
- Wire the auxiliary contacts (NO/NC) as needed for status feedback or interlocking.
- Test the contactor by applying control voltage to verify proper operation.
7. Technical documentation and support
Download the full datasheet for detailed specifications, wiring diagrams and trip coordination guides.
Please contact our technical team for custom configuration or OEM/ODM solutions for your project.
Request a quote with details about your project for volume pricing, lead times, and compliance certifications.
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