TPI RC840T277U 277V Low Voltage Relay, Single Switch Single Throw

The TPI RC840T277U 277V Low Voltage Relay provides specialized switching for commercial lighting and heating applications requiring 277 volts. This single-switch, single-throw relay enables safe control of 277V equipment using standard low-voltage thermostats.

The 277V rating is common in commercial buildings with three-phase electrical systems, making this relay ideal for professional installations. The low-voltage control circuit provides safety isolation between the high-voltage heating circuit and control wiring.

Designed for reliable commercial performance, this relay ensures consistent switching for continuous operation. The standard connections and compact design facilitate professional installation.

Key Features:
• 277V low voltage relay
• Single-switch, single-throw design
• For commercial three-phase systems
• Isolates high-voltage from control circuit
• Commercial-grade construction
• Compatible with standard thermostats

Applications: 277V heater control, commercial building heating, three-phase system installations, professional HVAC applications, and any installation requiring safe low-voltage switching of 277V equipment.