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3-Pole Contactor CTX³ | 75A AC-3 Rating | Modular Design | Screw Connection | @EA of 1 | by Legrand
The 3-pole contactor CTX³ with a 75A AC-3 rating is perfect for industrial motor control and protection, handling up to 37 kW at 415V. Designed for durability, it features 2NO + 2NC auxiliary contacts and an endurance of 12 million mechanical operations. Ideal for qualified electricians, this modular contactor ensures compliance with electrical safety standards and is mountable on DIN rails or plates.
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Technical Specifications
- Rated operation current AC-3 at 400 V: 75 A
- Rated operation power AC-3 at 400 V: 37 kW
- Rated operation current AC-1 at 400 V: 110 A
- Rated operation current AC-4 at 400 V: 52 A
- Rated operation power AC-4 at 400 V: 25 kW
- Control supply voltage AC 50/60 Hz: 93.5-121 V
- Number of main contacts normally open: 3
- Number of auxiliary contacts normally open: 2
- Number of auxiliary contacts normally closed: 2
- Electrical connection type: Screw connection
- Endurance: 12 million mechanical operations, 2 million electrical operations
- Number of operation cycles (AC-3) per hour: 1800
- Suitable for distribution board mounting
- Dimensions (H x L x W): 85mm x 70mm x 45mm
- Weight: 0.5 kg
Key Features
- 3-pole contactor with 75A AC-3 rating for motor control up to 37 kW at 415V
- 2NO + 2NC auxiliary contacts with mirror contact NC auxiliary contact
- Endurance up to 12 million mechanical and 2 million electrical operations
- Mountable on 35 mm DIN rail or mounting plate
- Coil supply possible from top or bottom side
- Removable front cover for visual inspection of arc chambers and contacts
- Cage terminals capacity for power up to 70mm² cables
Professional Installation Requirements
- Installation by a qualified electrician is required to ensure compliance with electrical safety standards and proper mounting on DIN rail or plate.
Applications
- Industrial motor control and protection
- Tertiary and industrial electrical installations
- Switching of inductive and non-inductive loads
Standards & Compliance
- AS/NZS 60950 – Safety of IT and Communication Equipment
Environmental Benefits
- Designed with substance-restriction compliance and environmentally conscious manufacturing process
- Long operational life reduces waste and replacement frequency
Warranty Information
Standard Legrand warranty applies; typically 2 years against manufacturing defects.
Available Now
Legrand CTX³ 3-pole contactor 75A AC-3 rating is available for immediate purchase, ideal for industrial and tertiary motor control applications.
