Professional 150A AC-3 three-pole motor contactor with 2NO+2NC auxiliary contacts, 75 kW capacity, 5 million mechanical operations, cage terminals, and flexible top/bottom coil connection for industrial motor control applications.
The Legrand CTX³ motor contactor is a professional-grade industrial switching device designed for reliable control of three-phase asynchronous motors up to 75 kW at 415V. This 150A AC-3 rated contactor features advanced engineering with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing comprehensive circuit control and protection capabilities. The device utilizes cage terminal technology for secure power connections accommodating 2 x 35mm² to 95mm² cable sizes, with coil and auxiliary circuit terminals supporting 0.75mm² to 2.5mm² conductors.
Designed for both tertiary and industrial installations, the CTX³ contactor delivers exceptional durability with up to 5 million mechanical operations and 1 million electrical operations at a maximum operational rate of 1200 cycles per hour. The innovative top/bottom coil connection design allows flexible installation configurations, while the removable front cover enables easy visual inspection of arc chambers and contacts. Built with environmentally conscious manufacturing processes, this contactor complies with all substance-restriction requirements and is engineered for seamless integration with existing Legrand electrical systems.
The contactor is rated for 210A resistive loads (AC-1) and 110A at AC-4 rating (55 kW), making it exceptionally versatile for various industrial applications. Its robust construction, combined with proven Legrand quality standards, ensures reliable performance in demanding electrical environments. The device includes factory-assembled auxiliary contacts and features an engineered coil replacement design for convenient maintenance and service.
Key Features
- 150A AC-3 rated contactor for 3-phase motors up to 75 kW at 415V
- 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts with mirror contact definition per IEC 60947-4-1
- 5 million mechanical operations and 1 million electrical operations with 1200 cycles per hour maximum
- Cage terminals for secure power connections (2 × 35-95mm²) and auxiliary circuits (0.75-2.5mm²)
- Flexible top/bottom coil connection with removable front cover for arc chamber inspection
- 210A resistive load capacity (AC-1) and 110A at AC-4 rating (55 kW)
- Factory-assembled auxiliary contacts with engineered coil replacement design
- Compatible with all Legrand CTX³ auxiliaries and accessories
- Environmentally conscious manufacturing compliant with substance-restriction requirements
- Suitable for tertiary and industrial installations with proven reliability
Technical Specifications
| Specification |
Value |
| Rated Current (AC-3) | 150A at 400V |
| Rated Power (AC-3) | 75 kW at 400V |
| Rated Current (AC-1) | 210A at 400V for resistive loads |
| Rated Current (AC-4) | 110A at 400V (55 kW) |
| Control Supply Voltage | AC 50/60 Hz, 340-484V |
| Number of Poles | 3-pole |
| Main Contacts | 3 normally open (NO) |
| Auxiliary Contacts | 2 normally open (NO) + 2 normally closed (NC) |
| Mechanical Operations | Up to 5 million |
| Electrical Operations | Up to 1 million |
| Maximum Cycles Per Hour | 1200 at AC-3 |
| Power Terminal Capacity | 2 × 35mm² to 95mm² |
| Coil Terminal Capacity | 0.75mm² to 2.5mm² |
| Auxiliary Circuit Terminal Capacity | 0.75mm² to 2.5mm² |
| Connection Type | Screw connection with cage terminals |
| Coil Connection | Top/bottom flexible connection |
| Auxiliary Contact Type | Mirror contact per IEC 60947-4-1 |
| Front Cover | Removable for inspection |
| Mounting | Fixing on mounting plate |
| Carbon Footprint | 19.000 kg CO₂ eq. (Manufacturing phase A1-A3) |
| Compliance | RoHS, REACH, IEC 60947-4-1 |
| Reference Number | 416279 |
| EAN Code | 3414970403421 |
| Manufacturer | Legrand |
| Product Family | CTX³ Motor Contactors |
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