SR503-EXP-4 | 3 Zone Switching Relay w/ Priority | Taco

Introducing the SR503-EXP-4 Taco, a 3Zone Expandable Switching Rly from our HVAC supply store, the leading supplier of industrial automation solutions. The SR503-EXP-4 is a versatile device designed to meet the complex switching requirements of industrial engineers and maintenance professionals. With its 3-zone design, the SR503-EXP-4 offers exceptional flexibility for controlling multiple devices simultaneously. Each zone features a dedicated relay, allowing you to independently switch power to different circuits or devices. The expandable nature of the system enables you to add additional zones as your needs grow, providing a scalable solution for expanding control systems. The SR503-EXP-4 is built to withstand the demanding industrial environment. Its rugged construction ensures reliable operation in harsh conditions, minimizing downtime and costly repairs. The unit's advanced switching technology provides precise control with minimal power consumption, optimizing your system's efficiency. Whether you're looking to upgrade existing control systems or implement new automation solutions, the SR503-EXP-4 is an ideal choice. Its versatility, reliability, and expandability make it a valuable asset for any industrial operation. At our HVAC supply store, we understand the critical role that reliable automation components play in your business. That's why we offer the SR503-EXP-4 at competitive prices, backed by our commitment to fast shipping and exceptional customer service. Don't compromise on quality or efficiency. Choose the SR503-EXP-4 from our HVAC supply store today and experience the benefits of seamless control and optimized industrial automation.
Note: Image may not represent actual product

Taco Switching Relays combine clearly labeled PC board layouts with advanced features that allowfor total system customization. Whether using basic priority switching or the advanced featuresof the -EXP controls, the job is made easy. External indicator lights provide instant diagnosticfeedback, making a snap of service calls or new installation start-ups. All switching relays are ULand CSA listed, use standard ?ice cube? replaceable relays and are compatible with conventionaland programmable thermostats.

Whether you want to expand up to 20 zones or utilize the advanced features of the PowerPortCards and Add-on Power Controls, Taco -EXP controls allow for simple integration of advancedfeatures. Plug in any combination of cards and controls to optimize the operation of any system.

Features include:

• 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
• UL and CSA Approved
• 24 Volt Power Input or Output Terminal
• Extended 3 Year Warranty
• Made in the USA

Additional -EXP Features

• Plug-in PowerPort Card Slots
• Add-on Power Control Plug
• Expandable to 20 Zones
• Interface with -EXP Zone Valve Controls