Professional 3-pole motor contactor with 40A AC-3 rating, 24V DC actuation, 2NO+2NC auxiliary contacts, and up to 12 million mechanical operations for industrial motor control applications.
The Legrand CTX³ is a professional-grade 3-pole motor contactor designed for industrial and tertiary installations. This contactor features a 40A AC-3 rating, making it suitable for switching 3-phase motors up to 18.5 kW at 415V, and resistive loads up to 60A (AC-1). The device is equipped with 24V DC actuation, providing reliable and efficient control in demanding industrial environments. With its compact and modular design, the CTX³ integrates seamlessly into distribution boards and control cabinets, optimizing space utilization.
This contactor is engineered with 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. The device boasts exceptional endurance capabilities with up to 12 million mechanical operations and 2 million electrical operations, supporting up to 1800 operation cycles per hour under AC-3 conditions. The screw terminal design accommodates power connections from 2 x 10mm² to 16mm², coil connections from 0.75mm² to 2.5mm², and auxiliary circuit connections from 0.75mm² to 2.5mm².
The CTX³ 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 flexible installation. All components comply with substance-restriction requirements and are designed with environmental consciousness. The device is compatible with all Legrand CTX3 auxiliaries and accessories, providing a complete and integrated solution for motor control and protection applications.
Key Features
- 40A AC-3 rating for 3-phase motors up to 18.5 kW at 415V
- 24V DC coil actuation with flexible top or bottom positioning
- 2 Normally Open (NO) and 2 Normally Closed (NC) auxiliary contacts
- Exceptional endurance: 12 million mechanical and 2 million electrical operations
- Compact modular design optimized for cabinet space efficiency
- Removable front cover for visual inspection of contacts and arc chambers
- IEC 60947-4-1 compliant with mirror contact configuration
- Screw terminals accommodating multiple wire gauges for power and auxiliary circuits
- Compatible with all Legrand CTX3 auxiliaries and accessories
- Environmentally conscious design with substance-restriction compliance
Technical Specifications
| Specification |
Value |
| Product Type | 3-Pole Motor Contactor |
| Rated Control Supply Voltage | 24V DC (20.4-26.4V range) |
| Voltage Type | Direct Current (DC) |
| Main Contact Configuration | 3 Normally Open (NO), 0 Normally Closed (NC) |
| Auxiliary Contacts | 2 Normally Open (NO) + 2 Normally Closed (NC) |
| AC-3 Rated Current at 400V | 40A |
| AC-1 Rated Current at 400V | 60A |
| AC-4 Rated Current at 400V | 17A |
| Rated Power AC-3 at 400V | 18.5 kW |
| Rated Power AC-4 at 400V | 7.5 kW |
| Power Terminal Capacity | 2 x 10mm² to 16mm² |
| Coil Terminal Capacity | 0.75mm² to 2.5mm² |
| Auxiliary Circuit Terminal Capacity | 0.75mm² to 2.5mm² |
| Electrical Connection Type | Cable Clamp (Screw Terminals) |
| Mechanical Operations | Up to 12 million cycles |
| Electrical Operations | Up to 2 million cycles |
| Maximum Operation Cycles per Hour (AC-3) | 1800 cycles |
| Mounting | 35mm DIN Rail (IEC 60715) or Mounting Plate |
| Standards Compliance | IEC 60947-4-1 |
| Suitable for Distribution Board | Yes |
| Product Reference | 416131 |
| EAN Code | 3414970400468 |
| Carbon Footprint (Manufacturing) | 4.75 kg CO₂ eq. |
| Environmental Compliance | RoHS Directive, REACH Declaration, Substance Restriction Compliant |
| Design Feature | Removable front cover, coil supply top/bottom positioning, compact modular design |
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