R8845U Universal Switching Relay APPLICATION The R8845U Universal Switching Relay provides intermediate switching of line- and low-voltage devices from a line- or lowvoltage controller.
The R8845U may be used to replace several Honeywell or competitive switching relays and is typically applied in hydronic heating systems.
PRODUCT DATA FEATURES • Replaceable, socketed relays.
• Replacement relay common to other Honeywell hydronic replacement controls.
• Two troubleshooting LEDs.
• Push-to-test button.
• Replaceable transformer fuse.
• Low-voltage contact ratings for Powerpile® applications.
• Long-life DC relay drive control technology.
• Relays can be used with external 24 Vac or 24 Vdc su...

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