This HONEYWELL R845A1030 DPST SWITCHING RELAY is designed for reliable and efficient switching of electrical signals in both 120V and 24V systems. With a double pole, single throw design, it ensures secure and precise control over your electrical system. Perfect for commercial and industrial applications.

The R845A provides DPST switching for hydronic zone-controlled heating systems or SPST control of two independent loads. It is compatible with any 2-wire Series 80 thermostat, allowing for direct control of pumps, valves, or other heating system components. Designed for reliable performance, this relay ensures efficient and precise operation in residential and commercial hydronic heating applications.

Specifications:

Features:

• Provide intermediate switching of a line voltage device form a low voltage controller.
• Switching Action DPST
• One pole line voltage, the other line or low voltage Coil Ratings
• Current 0.4A
• Coil Ratings Voltage, 24 Vac
• Transformer Primary Rating, 120 Vac, 50/60 Hz
• Transformer Secondary Rating, 24 Vac
• Temperature Range (F): 115 F maximum ambient for 60 Hz. 105 F Max. Ambient for 50 Hz.
• Temperature Range (C) 46 C maximum ambient for 60 Hz. 41 C maximum ambient for 50 Hz.
• Thermostat Compatibility: Low voltage (Class 2) 2-wire
• Dimensions (in.) 5-1/4" high x 4-1/4" wide x 2-5/16" deep
• Dimensions (mm) 133 mm high x 108 mm wide x 59 mm deep
• Electrical Ratings - Primary Voltage 120V. 50/60 Hz
• Electrical Connections (Control Circuit) 2-Wire