Taco SR506 Switching Relay

The Taco SR506 Switching Relay is a robust control solution for multi-zone boilers and hydronic systems. This 6-Zone, electronic actuation DPDT relay delivers dependable switching across zones, with a compact form factor designed for straightforward installation in demanding environments.

Key specs include dimensions of 12-1/4 in W x 3 in D x 8 in H, current ratings of 20 A combined load, 6 A full load, and 36 A locked rotor, and an input of 1/3 HP at 120 V AC, 60 Hz (1-Phase). It features a fully enclosed snap-out relay, fuse protection, external indicator light, and switchable priority. The unit provides a 24 V AC 1 A isolated end switch, 24 V AC Class 2 thermostat compatibility, and convenient 24 V power input/output terminals, plus contractor-friendly PC board layout for easy wiring.

• 6-Zone electronic actuation with DPDT switching for precise control
• External indicator light provides quick status checks
• Switchable priority to prioritize critical loads
• Fully enclosed snap-out relay with fuse protection
• Simplified wiring for faster, error-free installation
• Compact, contractor-friendly PC board layout for easy installation
• 24 V AC isolated end switch with 1 A support
• 24 V AC Class 2 thermostat compatibility for versatile control
• UL and CSA listed with a NEMA 1 enclosure
• Applications: boiler, circulator, and hydronic system use