Product Description
The RA889A Switching Relay with 24 V controller provides intermediate switching of line- and low-voltage devices from a line- or low-voltage controller and is typically applied in Hydronic heating systems.
Typical Applications
Hydronic heating systems; Provide intermediate SPDT and SPST switching of line- and low-voltage devices from a line- or low-voltage controller.
Performance Data
- Replaceable transformer fuse.
- Troubleshooting LED
- Push-to-test button
- High load switching capability
- 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 24 V transformer supply
- Secondary of transformer protected by replaceable 1A automotive fuse
- One model replaces many competitor models
- Replacement relay common to other Honeywell hydronic replacement controls
Features
- Frequency: 60 Hz
- Approvals Underwriters Laboratories Inc.: Listed: File No. E4436, Guide No. XAPX
- Electrical Connections: Control Circuit 2 or 3 wire
- Temperature Ratings (F) Ambient: -20 F to +120 F
- Approvals Canadian Underwriters Laboratories Inc:.Listed: Guide No. XAPX7.
- Switching: SPDT, plus PowerPile® rated low voltage SPST relay
- Contact Ratings (AFL)15A@ 120 Vac; Contact Ratings (ALR)120Vac--30A
- Input Voltage: 120V
- Dimensions (in.): 6 1/4 in. high x 4 7/16 in. wide x 3 1/2 in. deep
Operating Humidity Range (% RH) 0 to 90% RH, non-condensing
Electrical Ratings, Contacts: Maximum connected load is 2000 VA
- Transformer: Secondary Rating-24 Vac, 12 VA max., 9 VA available for external load. Secondary protected by replaceable 1A automotive fuse.
- Application:
Provide intermediate SPDT and SPST switching of line- and low-voltage devices from a line- or low-voltage controller.
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
Includes: Integral transformer, enclosure
Comments: Thermostat Compatibility-- Honeywell electromechanical and electronic 2- or 3-wire; Thermostat Heat Anticipator Setting-- 0.12A
Item Type; Product
Frequency: 60 Hz
Approvals, Underwriters Laboratories Inc.
Listed: File No. E4436, Guide No. XAPX
Operating Humidity Range: (% RH): 0 to 90% RH, non-condensing
Temperature Ratings (C): Ambient: -29 C to +49 C
Temperature Ratings (F): Ambient: -20 F to +120 F
Approvals, Canadian Underwriters Laboratories Inc.
Listed: Guide No. XAPX7.
Switching: SPDT, plus PowerPile® rated low voltage SPST relay
Contact Ratings (AFL): 15A@ 120 Vac
Contact Ratings (ALR): 120 Vac--30A
Input Voltage: 120V
Electrical Ratings, Contacts: Maximum connected load is 2000 VA
Transformer: Secondary Rating-24 Vac, 12 VA max., 9 VA available for external load. Secondary protected by replaceable 1A automotive fuse