Professional 3-pole motor contactor with 75A AC-3 rating, 24V DC coil, 2NO+2NC auxiliary contacts, 12M mechanical/2M electrical operations, DIN rail mount, IEC 60947-4-1 compliant.
The Legrand CTX³ motor contactor is a professional-grade 3-pole switching device designed for industrial and tertiary installations. With a rated current of 75A at AC-3 rating, this contactor is capable of switching 3-phase motors up to 37 kW at 415V, or resistive loads up to 110A at AC-1 rating. The device features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, with the NC contact meeting the mirror contact definition according to IEC 60947-4-1 standard. Equipped with screw terminals supporting power connections from 2x10mm² to 35mm², coil connections from 0.75mm² to 2.5mm², and auxiliary circuit connections from 0.75mm² to 2.5mm², this contactor offers exceptional flexibility for various installation requirements.
This CTX³ contactor demonstrates outstanding endurance capabilities with up to 12 million mechanical operations and 2 million electrical operations, ensuring reliable long-term performance in demanding industrial environments. Operating at 24V DC with a control supply voltage range of 20.4-26.4V, the device provides consistent performance across varying voltage conditions. The contactor features a removable front cover for easy visual inspection of arc chambers and contacts, and the coil supply can be positioned either on the top or bottom side for optimal installation flexibility. The reduced size design optimizes space utilization within electrical cabinets, making it ideal for compact installations.
Built to the highest environmental and safety standards, the CTX³ contactor complies with substance-restriction requirements and has been designed through an environmentally conscious process. It is specifically engineered for switching both inductive and non-inductive loads, with a maximum operation cycle rate of 1800 cycles per hour under AC-3 conditions. The device is fully compatible with all Legrand CTX3 auxiliaries and accessories, allowing for comprehensive system integration and customization to meet specific application requirements.
Key Features
- 75A AC-3 rating for 3-phase motors up to 37 kW at 415V
- 110A resistive load capacity at AC-1 rating
- 2 normally open and 2 normally closed auxiliary contacts with mirror contact definition
- 24V DC coil with control supply voltage range 20.4-26.4V
- 12 million mechanical operations and 2 million electrical operations endurance
- Screw terminal connections supporting multiple wire gauges
- DIN rail mounting on 35mm top hat rail (IEC 60715)
- Removable front cover for visual inspection of arc chambers
- Flexible coil supply positioning (top or bottom)
- 1800 operation cycles per hour maximum at AC-3
- IEC 60947-4-1 standard compliance
- Environmentally conscious design with substance-restriction compliance
- Compatible with all Legrand CTX3 auxiliaries and accessories
- Reduced cabinet space optimization design
- Easy coil replacement engineering
Technical Specifications
| Specification |
Value |
| Product Type | 3-Pole Motor Contactor |
| Rated Current AC-3 at 400V | 75A |
| Rated Current AC-1 at 400V | 110A |
| Rated Power AC-3 at 400V | 37 kW |
| Rated Power AC-4 at 400V | 25 kW |
| Rated Current AC-4 at 400V | 52A |
| Coil Supply Voltage | 24V DC |
| Coil Supply Voltage Range | 20.4-26.4V DC |
| Main Contacts Configuration | 3 Normally Open (3NO) |
| Auxiliary Contacts | 2 Normally Open + 2 Normally Closed (2NO+2NC) |
| Terminal Type | Screw Terminals (Cable Clamp) |
| Power Terminal Capacity | 2 x 10mm² to 35mm² |
| Coil Terminal Capacity | 0.75mm² to 2.5mm² |
| Auxiliary Circuit Terminal Capacity | 0.75mm² to 2.5mm² |
| Mechanical Operations Endurance | 12 million operations |
| Electrical Operations Endurance | 2 million operations |
| Maximum Operation Cycles per Hour | 1800 cycles (AC-3) |
| Mounting Type | DIN Rail Mount (35mm Top Hat Rail IEC 60715) |
| Mounting Options | 35mm Top Hat Rail or Mounting Plate |
| Reference Number | 416181 |
| EAN Code | 3414970401465 |
| Standard Compliance | IEC 60947-4-1 |
| Suitable for Distribution Board | Yes |
| Carbon Footprint (Manufacturing Phase) | 23.750 kg CO2 eq. |
| Environmental Compliance | RoHS Compliant, REACH Declaration, Substance-Restriction Requirements |
| Coil Supply Position | Top or Bottom Mounted |
| Front Cover | Removable for Arc Chamber and Contact Inspection |
| Application | Inductive and Non-Inductive Load Switching |
| Accessory Compatibility | All Legrand CTX3 Auxiliaries and Accessories |
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