Honeywell RA889A1001 Switching Relay with internal transformer
The RA889A Switching Relay provides intermediate switching of line- and low-voltage devices from a line or low voltage controller and is typically applied in hydronic heating systems.
Features
High load switching capability.
Troubleshooting LED.
Push-to-test button.
Replaceable transformer fuse.
Long-life DC relay drive control technology.
Relay for use with external 24 Vac or 24 Vdc supply, with line-voltage control, or with internal 24V transformer supply.
One model replaces many Honeywell models
Perfect choice when converting from a 2-wire 750 mV system to a low voltage conventional or WiFi thermostat
Product Specifications
Description: Enclosed switching relay with internal transformer, Spdt line voltage relay, plus Spst low voltage relay with Powerpile rating. 120V/60Hz 15 AFL/30 ALR ratings one line voltage contacts
Application: For switching of line- and low-voltage devices from a line or low voltage controller
Switching Action: SPDT, plus PowerPile® rated low voltage SPST relay
Thermostat Heat Anticipator Setting: 0.12A
Transformer Primary Rating: 120 Vac, 60 Hz
Transformer Secondary Rating: 24 Vac, 12 VA max., 9 VA available for external load. Secondary protected by replaceable 1A automotive fuse.
Temperature Range (F): (Ambient) -20 F to +120 F. Temperature Range (C): (Ambient) -29 C to +49 C
Thermostat Compatibility: Honeywell electromechanical and electronic 2- or 3-wire
Dimensions (in.): 6 1/4 in. high x 4 7/16 in. wide x 3 1/2 in. deep. Dimensions (mm): 159 mm high x 118 mm wide x 89 mm deep
Operating Humidity Range (% RH): 0 to 90% RH, non-condensing
Electrical Ratings (Primary Voltage): 120V, 60 Hz
Replacement Parts: 32002190-001 Circulator Replacement Relay
Contacts Electrical Rating Contacts Max. Connected Load: 2000 VA
Contacts Electrical Ratings (120 VAC AFL): 15 amps. Contacts Electrical Ratings (120 VAC ALR): 30 amps
Installation Manual
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