Product Description
The L&T MNX 70 Power Contactor is a premium, industrial-grade 3-pole electrical contactor engineered for demanding motor control and power switching applications. Manufactured by Larsen & Toubro (Lauritz Knudsen), this heavy-duty switchgear offers exceptional reliability, long electrical life, and superior arc-quenching performance in harsh operating environments.
Key Features & Benefits
- Heavy-Duty AC-3 Rating: Rated for up to 70A (AC-3 duty) operations, making it ideal for direct switching of high-inrush motor loads up to 37 kW at 415V.
- Silver-Alloy Contacts: High-grade silver contacts ensure maximum conductivity, low contact resistance, and protection against contact welding.
- Compact & Modular Design: Ergonomic layout saves valuable enclosure space in crowded control panels.
- High Electrical Endurance: Built to withstand up to 1 million electrical operating cycles for reduced downtime and maintenance.
- Secure Terminals: Vibration-proof screw-clamp terminals ensure safe, maintenance-free, and firm cable terminations.
Technical Specifications
| Attribute | Specification Details |
|---|---|
| Brand | L&T (Larsen & Toubro / Lauritz Knudsen) |
| Model Name / Number | MNX 70 (Cat No. CS97076) |
| Number of Poles | 3-Pole (3P) |
| Rated Operational Current (AC-3) | 70 Ampere |
| Thermal Current (AC-1) | 100 Ampere |
| Rated Insulation Voltage | 690V AC |
| Coil Voltage Options | 110V AC / 240V AC / 415V AC (50/60 Hz) |
| Terminal Type | Screw-Clamp Terminals |
| Mounting Type | Panel Mounting / Bolt-On Mounting |
Applications
The L&T MNX 70 contactor is versatile and widely used across industrial, commercial, and agricultural sectors:
- Direct-On-Line (DOL) and Star-Delta Motor Starters
- Industrial Motor Control Centers (MCC) & Power Control Centers (PCC)
- Water Pumping Stations, Submersible Pumps, and Sewage Systems
- HVAC Systems, Large Industrial Blowers, and Compressors
- Capacitor Switching and Industrial Heating Networks
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