Professional 3-pole motor contactor with 100A AC-3 rating, 55kW capacity, 2NO+2NC auxiliary contacts, IEC 60947-4-1 compliant, 12M mechanical/2M electrical operations, eco-friendly design
The Legrand CTX³ is a professional-grade 3-pole motor contactor designed for industrial and tertiary installations. With a rated control supply voltage of 352.75-456.5V AC at both 50Hz and 60Hz, this contactor delivers exceptional performance for switching three-phase motors up to 55kW at 415V. The device features an impressive 100A AC-3 rating and can handle resistive loads up to 160A AC-1, making it versatile for various industrial applications.
This modular contactor is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, with the NC auxiliary contact meeting the mirror contact definition according to IEC 60947-4-1 standard. The cage terminal capacity accommodates power connections from 2.5mm² to 70mm² (single) or 2.5mm² to 50mm² (dual), coil connections from 0.75mm² to 2.5mm², and auxiliary circuit connections of the same range. With screw-type electrical connections for the main circuit, this contactor ensures secure and reliable installation.
Engineered for durability and longevity, the CTX³ contactor endures up to 12 million mechanical operations and 2 million electrical operations, with a maximum operational cycle rate of 1800 cycles per hour under AC-3 conditions. The device complies with substance-restriction requirements and has been designed following environmentally conscious manufacturing processes. Its removable front cover allows for easy visual inspection of arc chambers and contacts, while the compact design optimizes cabinet space. The coil supply can be positioned either on the top or bottom side, providing installation flexibility.
Key Features
- 100A AC-3 rating for 3-phase motors up to 55kW at 415V
- 160A AC-1 resistive load capacity for versatile applications
- 2NO+2NC mirror contact auxiliary contacts per IEC 60947-4-1
- Compact modular design optimizes cabinet space efficiency
- 12 million mechanical and 2 million electrical operation cycles
- Flexible coil supply positioning on top or bottom side
- Removable front cover for easy arc chamber inspection
- Screw-type main circuit connections for secure installation
- Cage terminals support 2.5mm² to 70mm² power connections
- Eco-friendly design with substance-restriction compliance
- 1800 maximum operational cycles per hour under AC-3 conditions
- 35mm rail mount compatibility with IEC 60715 standard
Technical Specifications
| Specification |
Value |
| Product Type | 3-Pole Motor Contactor |
| Rated Control Supply Voltage AC 50Hz | 352.75-456.5V |
| Rated Control Supply Voltage AC 60Hz | 352.75-456.5V |
| Voltage Type for Actuating | AC |
| Number of Main Normally Open Contacts | 3 |
| Number of Main Normally Closed Contacts | 0 |
| Number of Auxiliary NO Contacts | 2 |
| Number of Auxiliary NC Contacts | 2 |
| Rated Operation Current AC-1 at 400V | 160A |
| Rated Operation Current AC-3 at 400V | 105A |
| Rated Operation Power AC-3 at 400V | 55kW |
| Rated Operation Current AC-4 at 400V | 75A |
| Rated Operation Power AC-4 at 400V | 37kW |
| Electrical Connection Type | Screw Connection |
| Power Terminal Capacity (Single) | 2.5mm² to 70mm² |
| Power Terminal Capacity (Dual) | 2.5mm² to 50mm² |
| 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 (AC-3) | 1800 Cycles |
| Mounting Standard | 35mm Rail Mount (IEC 60715) |
| Compliance Standard | IEC 60947-4-1 |
| Suitable for Distribution Board | Yes |
| Environmental Design | Eco-Friendly with Substance-Restriction Compliance |
| Product Reference | 416239 |
| EAN Code | 3414970402622 |
| Carbon Footprint (Manufacturing Phase) | 14.250 kg CO₂ eq. |
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