{"product_id":"l-t-larsen-toubro-mnx-12-power-contactors-220-240v-ac-3-pole","title":"L\u0026T Larsen \u0026 Toubro MNX 12 Power Contactors 220-240V AC, 3 Pole","description":"\u003cmeta name=\"description\" content=\"Buy L\u0026amp;T Larsen \u0026amp; Toubro MNX 12 Power Contactors 220-240V AC, 3 Pole online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eL\u0026amp;T Larsen \u0026amp; Toubro MNX 12 Power Contactors 220-240V AC, 3 Pole\u003c\/h1\u003e\n\n\u003cp\u003eThe L\u0026amp;T Larsen \u0026amp; Toubro MNX 12 Power Contactor is a three-pole electromagnetic switching device designed for industrial motor control and power distribution applications operating at 220-240V AC supply. Professional electricians, automation engineers, and industrial maintenance technicians rely on this contactor for reliable on-off switching of three-phase motors and heavy electrical loads in manufacturing plants, HVAC systems, and industrial automation panels. This contactor solves critical switching challenges by providing safe, repeatable electrical isolation and load control while protecting circuits from overcurrent conditions and mechanical wear associated with manual switching.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe MNX 12 Power Contactor operates on the principle of electromagnetic attraction, where an AC coil energized at 220-240V creates a magnetic field that pulls the movable armature toward the fixed core, mechanically closing the main contacts. The three-pole configuration allows simultaneous switching of all three phases in a three-phase power system, ensuring balanced load distribution and synchronized motor control. The contactor features robust silver alloy contacts rated for continuous duty cycles, spring-loaded mechanical latching mechanisms for reliable contact pressure, and thermal overload protection integration capability through auxiliary contact blocks.\u003c\/p\u003e\n\n\u003cp\u003eThe MNX 12 series distinguishes itself through superior arc suppression design, enhanced contact life expectancy exceeding 500,000 mechanical operations, and compliance with international standards including IS 9979 and IEC 60947-4-1. The compact modular design facilitates easy DIN rail mounting in control panels, while the standardized terminal configuration ensures compatibility with existing industrial infrastructure. The contactor's low power consumption coil design reduces heat generation and extends operational life, making it ideal for continuous duty applications in demanding industrial environments where reliability and cost-efficiency are paramount.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e3-Pole Power Contactor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eLarsen \u0026amp; Toubro (L\u0026amp;T)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMNX 12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoil Voltage\u003c\/td\u003e\n\u003ctd\u003e220-240V AC, 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePoles\u003c\/td\u003e\n\u003ctd\u003e3 Poles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e12 Amperes at 220-240V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Material\u003c\/td\u003e\n\u003ctd\u003eSilver Alloy with Arc Suppression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Life\u003c\/td\u003e\n\u003ctd\u003e500,000+ Operations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Life\u003c\/td\u003e\n\u003ctd\u003e100,000+ Switching Cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN Rail Compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew Terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards Compliance\u003c\/td\u003e\n\u003ctd\u003eIS 9979, IEC 60947-4-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eThree-Pole Electromagnetic Switching: Simultaneous control of all three phases in three-phase motor circuits with synchronized contact closure ensuring balanced load distribution and preventing phase imbalance conditions\u003c\/li\u003e\n\u003cli\u003e220-240V AC Coil Operation: Direct compatibility with standard Indian industrial power supply eliminating need for voltage transformers or auxiliary power supplies in control panel installations\u003c\/li\u003e\n\u003cli\u003eSilver Alloy Contact Construction: Superior electrical conductivity and arc resistance providing extended contact life, reduced voltage drop across contacts, and minimal heat generation during switching operations\u003c\/li\u003e\n\u003cli\u003eCompact DIN Rail Design: Space-efficient modular mounting reduces control panel footprint by up to 40% compared to traditional contactors while maintaining full electrical rating and operational reliability\u003c\/li\u003e\n\u003cli\u003e500,000+ Mechanical Operations: Extended mechanical life cycle reduces replacement frequency and maintenance costs in continuous duty industrial applications operating 24\/7\u003c\/li\u003e\n\u003cli\u003eIntegrated Auxiliary Contact Blocks: Compatibility with optional NO\/NC auxiliary contacts enables integration with thermal overload relays, interlocking circuits, and pilot light control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eThree-Phase Motor Control in Manufacturing: Direct online starting and stopping of induction motors up to 12A rating in textile mills, food processing units, and metal fabrication workshops where reliable motor switching is critical for production continuity\u003c\/li\u003e\n\u003cli\u003eHVAC System Management: Automated switching of air conditioning compressor motors and ventilation fan units in commercial buildings and industrial facilities, enabling energy-efficient operation through timer-based or sensor-triggered control circuits\u003c\/li\u003e\n\u003cli\u003eIndustrial Automation Panels: Integration into PLC-controlled automation systems for coordinated switching of multiple motor circuits, conveyor systems, and pump stations in material handling and process automation applications\u003c\/li\u003e\n\u003cli\u003ePower Distribution and Load Switching: Remote control of heavy electrical loads in substations, industrial switchboards, and distribution panels where manual switching poses safety risks and operational inefficiencies\u003c\/li\u003e\n\u003cli\u003eCompressor and Pump Motor Control: Reliable switching of reciprocating and centrifugal pump motors in water treatment plants, pneumatic systems, and hydraulic power units requiring frequent on-off cycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003cp\u003eInstallation of the MNX 12 Power Contactor requires proper DIN rail mounting in a control panel with adequate ventilation to prevent thermal buildup. Secure the contactor firmly to the DIN rail using the mounting bracket, ensuring the coil terminals face upward for easy wire connection. Connect the 220-240V AC supply to the coil terminals using appropriately rated copper wire, typically 1.5-2.5 square millimeter cross-section for standard panel wiring. The three main terminals on top receive incoming three-phase power, while the three bottom terminals deliver controlled power to the motor or load circuit. Always install the contactor downstream of a circuit breaker rated for 16-20A to provide overcurrent protection for the contactor itself.\u003c\/p\u003e\n\n\u003cp\u003eFor proper operation, connect the control signal from your PLC, timer, or manual push-button station to the coil terminals through a safety relay or contactor control circuit. When voltage is applied to the coil, the electromagnetic force pulls the movable armature, closing all three main contacts simultaneously and completing the circuit to the connected motor or load. Upon de-energization of the coil, internal springs push the armature back, opening all contacts and interrupting power supply. For maximum contactor life, avoid rapid on-off cycling exceeding 10 operations per minute, ensure proper thermal management with adequate panel ventilation, and perform periodic visual inspection of contacts for signs of pitting or erosion every 6-12 months depending on switching frequency.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum motor power rating for the MNX 12 contactor at 220-240V AC?\u003c\/summary\u003e\n\u003cp\u003eThe MNX 12 contactor rated at 12 Amperes can safely control three-phase motors up to approximately 2.2-2.5 kW at 220-240V AC, assuming a power factor of 0.85 and standard motor efficiency. For precise motor selection, multiply the rated current (12A) by the supply voltage (240V) and the power factor (0.85), then divide by 1000 to get kilowatts. Always verify the motor nameplate current rating does not exceed 12A for safe contactor operation and extended contact life.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCan the MNX 12 contactor be used for single-phase motor control?\u003c\/summary\u003e\n\u003cp\u003eWhile the MNX 12 is designed as a three-pole contactor for three-phase applications, it can technically control single-phase motors by utilizing only one pole and leaving the other two poles unconnected. However, this approach is inefficient and not recommended as it wastes two-thirds of the contactor's capacity. For single-phase applications, use a single-pole contactor of appropriate rating to optimize cost and panel space utilization.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the coil power consumption of the MNX 12 contactor?\u003c\/summary\u003e\n\u003cp\u003eThe MNX 12 coil at 220-240V AC typically consumes approximately 3-5 watts during continuous energization, making it suitable for extended duty applications without excessive heat generation. This low power consumption reduces heat buildup in control panels, extends coil insulation life, and minimizes operating costs. The actual consumption may vary slightly based on manufacturing tolerances and ambient temperature conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I integrate the MNX 12 contactor with a thermal overload relay for motor protection?\u003c\/summary\u003e\n\u003cp\u003eConnect the auxiliary NO (normally open) contact from the thermal overload relay in series with the contactor coil circuit. When motor current exceeds the overload relay setpoint, the auxiliary contact opens, de-energizing the contactor coil and stopping the motor. This configuration provides both electrical isolation through the contactor and thermal protection through the overload relay, meeting industrial safety standards for motor circuit protection.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat maintenance is required for the MNX 12 contactor?\u003c\/summary\u003e\n\u003cp\u003eRoutine maintenance includes visual inspection every 6 months for contact pitting, corrosion, or mechanical damage, cleaning the contactor with compressed air to remove dust and debris, and checking terminal tightness to ensure secure electrical connections. For contactors operating in harsh environments with high switching frequency, inspect contacts every 3 months. Replace the contactor if contact erosion exceeds 1mm depth or if mechanical operation becomes sluggish, indicating spring fatigue or armature binding.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy L\u0026amp;T Larsen \u0026amp; Toubro MNX 12 Power Contactors 220-240V AC\n\u003ch2\u003eBuy L\u0026amp;T Larsen \u0026amp; Toubro MNX 12 Power Contactors 220-240V AC, 3 Pole Online in India\u003c\/h2\u003e\n\u003c\/h2\u003e\u003cp\u003ePurchase the \u003cstrong\u003eL\u0026amp;T Larsen \u0026amp; Toubro MNX 12 Power Contactors 220-240V AC, 3 Pole\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48744635597057,"sku":"TTD-13936","price":1049.4,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/c8b6247890cbbd81d8b6ed211c8c90c8.jpg?v=1778077597","url":"https:\/\/techdepot.in\/products\/l-t-larsen-toubro-mnx-12-power-contactors-220-240v-ac-3-pole","provider":"Tech Depot India","version":"1.0","type":"link"}