Littelfuse Model ALT-100-3-SW Alternating Duplex Pump Relay with Switch 95-125V 8-pin Plug-in Manufacturers__A.Y. McDonald Mfg. Co.__Irrigation and Booster Pumps__8600SW Series Convertible Centrifugal Pumps No tools required

No tools required

Littelfuse ALT-100-1-SW Alternating Duplex Pump Relay With Switch Features

Epoxy Sealed Housing with Secondary Pressure Grommet for Sealing and Strain Relief

Powder-Coated Epoxy Finish Provides Corrosion-Resistance and Extends the Life of the Pump in Harsh Environments

All Units Have Built-In Check Valve

Littelfuse Model ALT-100-3-SW Alternating Duplex Pump Relay with Switch 95-125V 8-pin Plug-in Manufacturers__A.Y. McDonald Mfg. Co.__Irrigation and Booster Pumps__8600SW Series Convertible Centrifugal Pumps No tools requiredLittelfuse ALT 100 3 SW Alternating Duplex Pump Relay With Switch Product Description The ALT xxx 1 SW ALT xxx 3 SW Series are used to alternate between two loads and are commonly used in duplex pump up and pump down applications to balance the runtime of both pumps. The ALT relays have a built in debounce time delay that prevents the relay from changing state if the float momentarily bounces, and they have a built in switch to manually force a