Lauritz Knudsen (L&T) MNX 22 3 Pole Power Contactor, 22A AC-3, 415V AC, 1 NC

The Lauritz Knudsen MNX 22 is a 3-pole AC power contactor designed for motor feeder and control system applications. It is rated 22A at AC-3 utilization category (415V, 3-phase, 50Hz), making it suitable for controlling squirrel cage induction motors up to 11 kW / 15 hp at 415V. The MNX 22 conforms to IS/IEC 60947-4-1 and is part of the trusted MNX series, formerly marketed under L&T Switchgear and now under Lauritz Knudsen Electrical & Automation.

Technical Specifications

• Cat. No. / SKU: CS94981
• Series / Type: MNX 22 (MNX Series)
• Number of Poles: 3 Pole (3P)
• AC-3 Rated Current: 22A (at 415V AC, 3-phase, 50Hz)
• AC-1 Rated Current: 32A (resistive / mildly inductive loads)
• Rated Operational Voltage: Up to 690V AC (Ui)
• Rated Insulation Voltage (Ui): 690V
• Rated Impulse Withstand Voltage (Uimp): 8 kV
• Standard Coil Voltages: 110V, 220V, 240V, 415V AC, 50Hz (specify at order)
• Frequency: 50Hz (60Hz available on request)
• Auxiliary Contacts: 1 NC
• Mounting Type: Click-fit DIN rail mounting up to 40A
• Construction: Click-fit construction
• Standards & Certifications: IS/IEC 60947-4-1, BSEN 60947-4-1
• Ambient Temperature Range: -20°C to +55°C
• Motor Duty (415V, 3-phase, 50Hz): Up to 11 kW / 15 hp
• Frame Size: Fr 1
• Country of Origin: India

Key Features & Benefits

• IS/IEC 60947-4-1 compliant — ensures safe, reliable operation as per Indian and international switchgear standards.
• 22A AC-3 rating at 415V, 3-phase — directly controls squirrel cage induction motors up to 11 kW / 15 hp; rated for switching under full load conditions.
• Broad coil voltage options (110V / 220V / 240V / 415V AC) — compatible with various panel and PLC control voltages; specify coil voltage at time of order.
• Auxiliary contacts (1 NC) — built-in for control and signalling without extra components.
• Click-fit assembly up to 40A — simplifies installation and reduces panel wiring time.
• Spares and standardized accessories available — add-on aux blocks, surge suppressors, and MIL kits available across the MNX range for future expansion.

Description

Material: Thermoplastic housing. Color: Grey/Black (as per standard product finish). The MNX 22 contactor is a 3-pole device with 1 NC and is designed for continuous motor switching duty. It conforms to IS/IEC 60947-4-1 and BSEN 60947-4-1. Package Contents: 1 Unit MNX 22 3 Pole Contactor (CS94981). Warranty: 1-year manufacturer warranty as per Lauritz Knudsen standard terms. Note: Coil voltage must be specified at the time of order — standard options are 110V, 220V, 240V, and 415V AC, 50Hz.

Applications

The MNX 22 is commonly used in industrial motor control centres (MCCs), DOL (Direct-on-Line) and star-delta motor starters, pump control panels, conveyor systems, HVAC equipment, and compressor starters. It is suitable for motor feeder and control system applications across industries including manufacturing, water treatment, construction, and agriculture. Also used for switching resistive and mildly inductive loads (AC-1 duty) such as heater banks, lighting circuits, and capacitor banks (with series inductors).

Brand Trust

Lauritz Knudsen Electrical & Automation (formerly L&T Switchgear) is one of India’s most trusted names in low-voltage switchgear and motor control equipment. The MNX contactor series has been a standard specification in Indian industrial projects for decades. With IS/IEC 60947-4-1 certification, standardized accessories across the range, and a proven track record in demanding environments, the MNX series is widely accepted by panel builders, consultants, and OEMs across India.