Auer Steel | Taco Switch Relay 3 Zone W/priority 3p

Auer Steel

Taco

Part #SR503EXP

Taco Switch Relay 3 Zone W/priority 3p

: Brand: Taco
Voltage Rating: 120 VAC
Amperage Rating: 20 A
Dimensions: 6-3/4 in H x 10-1/4 in W x 2-3/4 in D
Coil Voltage: 120 VAC
Type: Expandable
Contact Form: DPDT
: Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allow for total system customization. Whether using basic priority switching or the advanced features of the -EXP controls, the job is made easy. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. All switching relays are UL and CSA listed, use standard "ice cube" replaceable relays and are compatible with conventional and programmable thermostats. For larger jobs, switching relays can be expanded up to 20 zones with priority. With the exclusive Taco PowerPort Plug-In Cards, you can easily add such features as post purge, priority protection and pump exercise. Any expandable switching relay can also interface with the Boiler Reset Control and Injection Mixing Add-On Power Controls.
: External indicator lights|Switchable priority|Simplified wiring|Fully enclosed snap-out relays|Compact design|Fuse protected|100% factory tested|Isolated end switch|Contractor friendly PC board layout|Universal thermostat compatibility|24 V power input or output terminal
: Taco Switching Relay, Expandable, 120 VAC, 20 A, 120 VAC Coil, DPDT, 6-3/4 in H x 10-1/4 in W x 2-3/4 in D