Macromatic offers a variety of alternating relays and accessories. Each one has different features and operating characteristics, allowing you to choose the exact product to meet your needs: SPDT, DPDT or DPDT cross-wired output contacts; with or without top-mounted locking switch. Refer to the table below for more information, then click to see details about a specific product type. If you have any questions regarding the selection or application of alternating relays

• For duplex control of two loads
• Works with 1, 2 or 3 Switches
• Control voltages of 12, 24, 120 & 240VAC
• Three contact configurations: SPDT, DPDT, or DPDT cross-wired
• DPDT cross-wired relay used when additional capacity is required
• Optional low profile selector switch to lock in one sequence
• 2 LED's indicate relay status
• Plug-in case utilizing industry-standard 8 & 11 pin octal sockets

• Works with 3 Switches - STOP, LEAD and LAG
• Utilizes Sequence On - Simultaneously Off (S.O.S.O.) Operation
• Replaces Separate Components in Duplex Panel, Saving Space and Reducing Labor
• Protects against Failures of Both STOP & LEAD Switches
• Control Voltages of 12, 24, 120 & 240V AC
• Optional low profile selector switch to lock in one sequence
• 2 LED’s indicate relay status
• Plug-in case utilizing industry-standard 8 pin octal socket