Resideo RA89A1074 Switching Relay W/Internal Transformer 120V

The Resideo RA89A1074 Switching Relay with Internal Transformer is a universal and effective device for controlling HVAC equipment. This device is an enclosed intermediate SPST relay that enables a low voltage controller to switch a line voltage device. It operates at 120V and has frequencies of 50/60Hz thus being suitable for most HVAC applications. This relay also has a control circuit, which is of the 2-wire connection type to allow the relay to be easily integrated into existing systems. The operating temperature of this relay is 105°F-115°F, which makes the device immune to different climate changes and ensures stable functioning. Its small size makes the transformer more durable and easy to install.