Premium 3-pole motor contactor with 150A AC-3 rating, 75 kW capacity, 2NO+2NC auxiliary contacts, 5 million mechanical operations, modular design with screw connections for industrial motor control applications.
The Legrand CTX³ is a premium 3-pole motor contactor designed for industrial and tertiary installations, offering robust switching capabilities for three-phase motors up to 75 kW at 415V. This contactor features a 150A AC-3 rating and is engineered to handle resistive loads up to 210A (AC-1), making it ideal for demanding industrial applications. The device is equipped 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.
With exceptional endurance specifications of up to 5 million mechanical operations and 1 million electrical operations, this contactor delivers long-lasting reliability in continuous operation environments. The modular design allows for easy coil replacement and is compatible with all Legrand CTX3 auxiliaries and accessories. The cage terminals accommodate power connections from 2 x 35mm² to 95mm², coil connections from 0.75mm² to 2.5mm², and auxiliary circuit connections from 0.75mm² to 2.5mm².
The CTX³ contactor features a removable front cover for visual inspection of arc chambers and contacts, and offers flexible coil supply options on either the top or bottom side. Designed with environmental consciousness, this product complies with substance-restriction requirements and IEC 60947-4-1 standards, making it an excellent choice for modern industrial motor control applications.
Key Features
- 150A AC-3 rating for 3-phase motors up to 75 kW at 415V
- 2 normally open and 2 normally closed auxiliary contacts with mirror contact definition
- 5 million mechanical operations and 1 million electrical operations endurance
- Modular design with easy coil replacement capability
- Cage terminals for power (2 x 35-95mm²), coil (0.75-2.5mm²), and auxiliary circuits
- Removable front cover for arc chamber and contact inspection
- Flexible coil supply options on top or bottom side
- IEC 60947-4-1 standard compliance
- 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 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 |
| Number of Main Contacts | 3 Normally Open (NO) |
| Auxiliary Contacts | 2 Normally Open (NO) + 2 Normally Closed (NC) |
| Main Circuit Connection Type | Screw Connection (Cage Terminals) |
| Power Terminal Capacity | 2 x 35mm² to 95mm² |
| Coil Terminal Capacity | 0.75mm² to 2.5mm² |
| Auxiliary Circuit Terminal Capacity | 0.75mm² to 2.5mm² |
| Control Supply Voltage (AC 50Hz) | 20.4-26.4V |
| Control Supply Voltage (AC 60Hz) | 20.4-26.4V |
| Actuation Type | AC (Alternating Current) |
| Mechanical Operations | Up to 5 million operations |
| Electrical Operations | Up to 1 million operations |
| Operation Cycles per Hour (AC-3) | 1200 cycles |
| Design Standard | IEC 60947-4-1 |
| Installation Type | Modular - Mounting on plate |
| Coil Supply Options | Top or bottom side connection |
| Suitable for Distribution Board | Yes |
| Front Cover | Removable for inspection |
| Carbon Footprint (Manufacturing) | 19.0 kg CO2 eq. |
| Reference Number | 416270 |
| EAN Code | 3414970403247 |
| Manufacturer | Legrand |
| Product Line | CTX³ |
| Environmental Compliance | RoHS Directive, REACH Declaration |
| Application | Industrial and tertiary installations, 3-phase motor control |
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