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TACO SR506-5 Zone-Switching Relay, 6 Zones, 120V AC Primary, 24V AC Secondary - Zone-Switching Relays
TACOZone-Switching Relays

TACO SR506-5 Zone-Switching Relay, 6 Zones, 120V AC Primary, 24V AC Secondary

The TACO Zone Switching Relay: Expandable Switching (MPN SR506-5) is a 6-zone zone-switching relay designed for HVAC system control. It operates with a 120V AC primary and 24V AC secondary, featuring a locked rotor…

SKU 3G-OTH-67217

Also listed as: SR5065 · SR506 5

Brand
TACO
Item
SR506-5 Zone-Switching Relay, 6 Zones, 120V AC Primary, 24V AC Secondary
Part Number
SR506-5
Category
Zone-Switching Relays
Available to Order
Also known as:SR506-5TACO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

TACO
Manufacturer Part Number
SR506-5
Zones
6
AC Primary
120V
AC Secondary
24V
Number of Zones
6
Current Ratings @ Voltages
LRA: 36 A @ 120V AC

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TACO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TACO Zone Switching Relay: Expandable Switching (MPN SR506-5) is a 6-zone zone-switching relay designed for HVAC system control. It operates with a 120V AC primary and 24V AC secondary, featuring a locked rotor amperage (LRA) rating of 36 A at 120V AC. This relay enables expandable switching for multi-zone applications.

Frequently Asked Questions

What is the TACO SR506-5 zone switching relay used for?

The TACO SR506-5 zone switching relay controls HVAC system zones by managing 120V AC primary and 24V AC secondary circuits. It supports expandable switching for up to 6 zones, making it suitable for multi-zone heating and cooling applications in commercial or residential buildings.

What are the specifications of the TACO SR506-5?

The TACO SR506-5 is a 6-zone switching relay with a 120V AC primary and 24V AC secondary. It has a locked rotor amperage (LRA) rating of 36 A at 120V AC. The expandable design allows integration into larger HVAC control systems for multi-zone management.

Where to buy the TACO SR506-5 zone switching relay worldwide?

3G Electric supplies the TACO SR506-5 zone switching relay worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 6-zone relay for your HVAC system.

How to install the TACO SR506-5 zone switching relay?

Install the TACO SR506-5 by connecting the 120V AC primary and 24V AC secondary per the wiring diagram. Mount the relay in a suitable enclosure, ensure proper grounding, and test each zone for correct switching. Follow standard HVAC relay installation practices for safe operation.

Used in

Common applications for TACO
Hydronic heating systems — Taco 49-150T-2 inline air separator removes entrained air to maintain loop efficiency.
Domestic hot water recirculation — Taco HLS-1 under-sink pump reduces wait time at fixtures in residential buildings.
Chilled water cooling loops — Taco SFL-150S isolation flange allows equipment service without system drain.
Circulator pump maintenance — Taco 110-009RP motor coupler restores torque transfer in Series 110 pumps.
Water/glycol systems — Taco 49-200T-2 air separator handles 2 in NPT connections at 150 psi and 240°F.
Commercial hydronic balancing — Taco air separators and isolation flanges support efficient fluid control and serviceability.
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TACO Products

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.

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