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Emerson Climate-White Rodgers 49M11-843 SureSwitch Multi-Volt Contactor 120/208/240V 50/60Hz 200A Locked Rotor -40° To 158°F

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Special Price $63.24 Regular Price $72.72
In stock
SKU
49M11-843
The Emerson Climate-White Rodgers 49M11-843 Multi-Volt Contactor is a high-quality electrical switching equipment that can used in HVAC system applications, it supports 120/208/240 VAC at 50/60 Hz and can handle up to. It is resistant to temperatures ranging from -40°F to 158°F and is ideal for installation in air conditioners, heat pumps and HVAC systems. This part provides reliable control over high-voltage circuits, due to the robust coil performance and enhances system reliability and energy efficiency. Its ability to work at various voltage levels and rugged design make this contactor reliable and highly appreciated by HVAC.
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HVAC Controls & Electrical, Switches,
Manufacturer:
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Specifications:

  • Part Number: W-R49M11-843
  • Category: Sealed switch with multiple voltage options
  • Suitable for: 120/208/240 Volts AC, 50/60 Hz power supply
  • Maximum Current (Motor Not Rotating): 200 Amperes
  • Temperature Range: -40°F to 158°F
  • Humidity Range: 5% to 95%
  • Substitute: 49P11-843
  • UPC (Universal Product Code): 786710561757

Features / Benefits:

  • Capable of installation with all standard coil voltages for flexible installation options.
  • Service life five times longer than regular contactors, ensuring prolonged usage.
  • Enclosed switch design prevents ants, pests, and debris from entering, ensuring reliable performance.
  • Microprocessor control reduces arcing, preventing welding and pitting on contacts.
  • Guards against line voltage dips and includes a brief cycle timer to safeguard the compressor.
  • Zero-talk latching relay ensures seamless functioning.
  • Durable lug connectors designed for safe electrical connections.
  • Includes a 5-year warranty for peace of mind.
  • Four-hole installation compatible with typical mechanical contactors, simplifying replacement.
  • Three-color LED shows compressor test results and cycle count via pushbutton operation, aiding in diagnostics.
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Product Questions (2)
Customer Questions
What maintenance is required for the Emerson Climate-White Rodgers 49M11-843 Contactor?

Inspect contacts for pitting or burning and ensure terminals remain tight. Remove dust or debris from the enclosure and check coil operation periodically. Replace worn contacts promptly to maintain safe electrical switching performance.

What are common issues with the Emerson Climate-White Rodgers 49M11-843 Contactor?

  • Contact pitting or arcing during operation.
  • Intermittent switching or chatter.
  • Overheating from high electrical load.
  • Loose terminals are causing poor conductivity.

Installation Steps

Step 1: Disconnect electrical power to the HVAC system and verify all circuits are de-energized.

Step 2: Remove the old contactor and label wires for correct reconnection.

Step 3: Mount the new contactor securely using the mounting configuration.

Step 4: Connect line, load, and control wires to the matching terminals for operation.

Step 5: Restore power and test system cycling.