4 Pole Modular Contactor 120V AC 40A Heavy-Duty With 4NC Normally Closed Contacts, DIN Rail Mount, For HVAC Systems, Motors, Pumps And Lighting Control, Fail-Safe Emergency Cutoff Ready

1-Unit 4-Pole 120V AC 40A Heavy-Duty Contactor with 4NC
✔️ 1-Unit 4-Pole 120V AC 40A Heavy-Duty Contactor with 4NC

This 4-pole modular contactor is built for HVAC systems, motors, pumps, and lighting control. It mounts on a standard 35mm DIN rail for quick panel installation and provides fail-safe shutoff capability when wired with appropriate safety circuits.

✅ 120V AC, 40A rating (AC-7a 40A / AC-7b 18A)
✅ 500V Ui insulation withstand, 400V Ue rating
✅ 2.1W max coil power
✅ 35mm DIN rail mount for quick panel installation
✅ AWG 12-10 flexible wiring compatibility
✅ 120V AC only, not DC; fuse/MCB recommended
✅ White enclosure color

💡 What is a contactor used for in control circuits?

This handy device acts as a main switch driven by a control signal.

- Used to switch motors, pumps, and lighting loads
- Provides remote on/off control and load isolation
- Supports safety interlocks and emergency shutoffs
- Mounts on standard 35mm DIN rails for easy panel mounting