Littelfuse Model ALT-115-X-SW Cross-Wired Alternating Duplex Pump Relay with Switch 95-125V 8-pin Plug-in Water Well Equipment__4" 5" 6" 8" 9" & 10" Submersible Pump Ends__Eight Inch Pump Ends__500 GPM Protects 3-phase Motors From: Low

Protects 3-phase Motors From: Low Voltage

Each float contains a heavy-duty mercury switch

McDonald Multi-Stage Shallow Well Jet Ejector Flow Chart

Light Alarms and Dry Contacts

0 O-Ring Replacement Kit Only***

Littelfuse Model ALT-115-X-SW Cross-Wired Alternating Duplex Pump Relay with Switch 95-125V 8-pin Plug-in Water Well Equipment__4" 5" 6" 8" 9" & 10" Submersible Pump Ends__Eight Inch Pump Ends__500 GPM Protects 3-phase Motors From: LowLittelfuse ALT 115 X SW Alternating Duplex Pump Relay Product Description Model ALT alternating relays are used to alternate between two loads. The ALT is commonly used in duplex pumping applications to balance the runtime of both pumps. The Model ALT X has an internal cross connected relay and is used in applications where two high level floats are used. These floats are commonly referred to as lead and lag floats. The Model ALT X SW adds a built in