Heavy Duty 110V AC 4 Pole Contactor With Four Normally Open Contacts, 50A Rating, DIN Rail Mount, Built To Handle HVAC Motors Pumps And Lighting Control, Supports Multi Load Switching For Three Phase Compressors And Auxiliary Circuits

Heavy Duty 110V 4-Pole Contactor, single unit for HVAC
✔️ 4 NO contacts, 50A rated, DIN rail mount, 110V AC only

This heavy-duty contactor switches multiple circuits in one compact package. Designed for HVAC panels, refrigeration units, motor control centers, and industrial automation, it handles three-phase compressors and auxiliary circuits with a single device.

✅ 4 normally open contacts enable simultaneous control of HVAC loads, compressors, pumps, and lighting
✅ 110V AC, 50A rating suitable for resistive and inductive loads
✅ AC-7a/AC-7b duty ratings (50A/20A) for reliable switching
✅ 500V Ui insulation withstand and 500V Ue operating voltage
✅ 2.1W max power consumption for efficient coil drive
✅ DIN rail mount for quick, plug-and-play installation in control panels

💡 What is a 4-pole contactor used for in electrical control panels?

- Handy for coordinating three-phase motors, compressors, pumps, and lighting in HVAC or industrial panels
- Provides centralized switching for four NO circuits from a single coil control
- DIN rail mounted for easy integration into standard control cabinets
- Requires proper short-circuit protection and heat management in panel layouts