TACO SR504-5 Zone-Switching Relay, 4 Zones with Priority, 20 A @ 120V AC
The TACO Zone Switching Relay: Expandable Switching (MPN SR504-5) is a zone-switching relay with 4 zones with priority, rated at 20 A @ 120V AC. It operates with a 120V AC primary and 24V AC secondary. This product…
SKU 3G-OTH-67203
Also listed as: SR5045 · SR504 5
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Product Description
The TACO Zone Switching Relay: Expandable Switching (MPN SR504-5) is a zone-switching relay with 4 zones with priority, rated at 20 A @ 120V AC. It operates with a 120V AC primary and 24V AC secondary. This product is designed for switching applications in industrial equipment distribution.
Frequently Asked Questions
What is the TACO SR504-5 zone switching relay used for?
The TACO SR504-5 zone switching relay is used to control up to four heating or cooling zones in HVAC systems, with priority zoning for load management. It switches 20 A at 120V AC primary and 24V AC secondary, making it suitable for industrial equipment distribution and commercial building automation.
What are the specifications of the TACO SR504-5 zone switching relay?
The TACO SR504-5 is a 4-zone switching relay with priority, rated at 20 A @ 120V AC primary and 24V AC secondary. It is expandable for additional zones and operates on 120V AC primary power. The manufacturer part number is SR504-5, and it is designed for switching applications in HVAC systems.
Where to buy the TACO SR504-5 zone switching relay worldwide?
You can source the TACO SR504-5 zone switching relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide reliable sourcing for this TACO relay.
How to install the TACO SR504-5 zone switching relay?
Install the TACO SR504-5 by mounting it on a DIN rail or panel, connecting the 120V AC primary and 24V AC secondary as per the wiring diagram. Ensure the 20 A rating is not exceeded. Follow standard HVAC relay installation practices, including proper grounding and zone thermostat wiring. Consult a licensed electrician for compliance.
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3G Electric supplies TACO zone-switching relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.