The RA89A1074 from Honeywell is a 1 Zone Switching Relay with internal transformer. It provides intermediate switching of a line voltage device from a low voltage controller. Integral transformer provides low voltage power for control circuit.
RA89A Honeywell Switching Relays can be used for switching one line voltage load.

Technical Specifications:

• Switching Action: SPST;
• Coil Ratings Current: 0.4A;
• Coil Ratings Voltage: 24 V;
• Temperature Range: 115F maximum ambient for 60 Hz. 105 F Max. Ambient for 50 Hz.;
• Dimensions: 5-1/4" high x 4-1/4" wide x 2-5/16" deep;
• Electrical Connections (Control Circuit): 2-Wire;
• Electrical Ratings (Maximum Input): 5.0 W;
• Electrical Ratings (Primary Voltage): 120V, 50/60 Hz;
• Contacts Electrical Rating Main Contacts 120 Vac: 10.2A AFL; 61.2A ALR; 10A Resistive;
• Contacts Electrical Rating Main Contacts 240 Vac: 5.1AA ALF; 30.6A ALR; 6.0A Resistive;
• Approvals of Underwriters Laboratories Inc: Listed and Canadian Standards Association;
• Tradeline Value: Tradeline