Duplex Alternating Relays Model ALT-24/120-XX

The Duplex Alternating Relays are designed for duplex  pumping applications where two loads are alternately powered.  This provides equal run time on the  pumps.  When power is applied to the  alternating relay, the output relay contacts change state each time the control voltage is disconnected creating an alternating action.  The control switch may be a float, thermostat, pressure switch or timer.  The optional lead/lag selector switch allows locking the alternating  relay in position to remove a pump for servicing while allowing the remaining  pump to operate.

UL Listed/Recognized File # E130593 UL 508	Features:	Specifications:
	Surge Protection Solid-State Dependability Durable Lexan Case Full LED Indication 8 Pin Plug-In Base Replaces Mechanical Relays Easy to Install Options: Lead/Lag Selector Switch (add S to end of Part Number)	Model Number: ALT-24/120-XX Supply Voltage 24 or 120 VAC Power Consumption Less Than 2 Watts Transient Protection 2500 VRMS for 10 mS Contact Rating 10A @ 120 VAC Res. Operating Temp -20C to +70C

 

Duplex Controller Part Numbers Part Number Supply Voltage Contact Configuration Mounting Configuration ALT-24/120-10 24 or 120 VAC SPDT (8 Pin) 8 Pin Plug-In ALT-24/120-11 24 or 120 VAC DPDT (8 Pin Cross Wired) 8 Pin Plug-In ALT-24/120-12 24 or 120 VAC DPDT (11 Pin) 11 Pin Plug-In ALT-24/120-13 24 or 120 VAC DPDT (8 Pin Cross Wired) 8 Pin Plug-In ALT-24/120-15 24 or 120 VAC DPDT (11 Pin) 11 Pin Plug-In ALT-24/120-XX-S Add an S to any above part numbers to include optional Lead/Lag selector switch.

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