Professional 3-pole motor contactor with 150A AC-3 rating, 75 kW capacity, 2NO+2NC auxiliary contacts, 5M mechanical operations endurance, and flexible AC/DC control supply for industrial and tertiary installations.
The Legrand CTX³ is a professional-grade 3-pole motor contactor designed for reliable switching of three-phase motors up to 75 kW at 415V. This modular contactor features a robust construction with screw connection terminals, making it ideal for both tertiary and industrial installations. The device is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts that meet IEC 60947-4-1 standards, providing enhanced control and monitoring capabilities.
With an impressive endurance rating of up to 5 million mechanical operations and 1 million electrical operations, this contactor ensures long-term reliability in demanding applications. The removable front cover allows for easy visual inspection of arc chambers and contacts, while the engineered design facilitates simple coil replacement when needed. The CTX³ supports AC/DC control supply voltage ranging from 85-264V AC (50/60 Hz) or 85-242V DC, offering flexible installation options.
The cage terminals provide exceptional capacity with power connections accommodating 2 x 35mm² to 95mm² conductors, auxiliary circuit connections from 0.75mm² to 2.5mm², and coil connections from 0.75mm² to 2.5mm². This contactor is engineered with environmental consciousness, complying with substance-restriction requirements and delivering superior performance for switching inductive and non-inductive loads with operational cycles up to 1200 per hour under AC-3 conditions.
Key Features
- 150A AC-3 rating for switching 3-phase motors up to 75 kW at 415V
- 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts meeting IEC 60947-4-1 standards
- Up to 5 million mechanical operations and 1 million electrical operations endurance
- Removable front cover for easy visual inspection of arc chambers and contacts
- AC/DC control supply voltage 85-264V AC (50/60 Hz) or 85-242V DC with flexible coil placement
- Cage terminals with power capacity 2 x 35mm² to 95mm² for reliable connections
- Engineered coil replacement design for simplified maintenance
- Up to 1200 operational cycles per hour under AC-3 conditions
- Environmentally conscious design complying with substance-restriction requirements
- Suitable for both inductive and non-inductive load switching
Technical Specifications
| Specification |
Value |
| Product Type | 3-Pole Motor Contactor |
| Rated Current AC-3 at 400V | 150A |
| Rated Power AC-3 at 400V | 75 kW |
| Rated Current AC-1 at 400V | 210A |
| Rated Current AC-4 at 400V | 110A |
| Rated Power AC-4 at 400V | 55 kW |
| Control Supply Voltage AC (50 Hz) | 85-264V |
| Control Supply Voltage AC (60 Hz) | 85-264V |
| Control Supply Voltage DC | 85-242V |
| Auxiliary Contacts - Normally Open | 2 |
| Auxiliary Contacts - Normally Closed | 2 |
| Main Circuit Connection Type | Screw Connection |
| Power Terminal Capacity | 2 x 35mm² to 95mm² |
| Auxiliary Circuit Terminal Capacity | 0.75mm² to 2.5mm² |
| Coil Terminal Capacity | 0.75mm² to 2.5mm² |
| Mechanical Operations Endurance | 5 million |
| Electrical Operations Endurance | 1 million |
| Maximum Operations per Hour (AC-3) | 1200 |
| Standard Compliance | IEC 60947-4-1 |
| Suitable for Distribution Board | Yes |
| Coil Supply Position | Top or Bottom |
| Front Cover | Removable for inspection |
| Installation Type | Mounting on plate |
| Reference Number | 416276 |
| EAN Code | 3414970403360 |
| Carbon Footprint (Manufacturing) | 19.000 kg CO₂ eq. |
| Environmental Compliance | RoHS and REACH compliant |
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