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 Orenco PVU572425L Biotube Pump Vault

Orenco PVU572425L Biotube Pump Vault Typical Application

Zoeller Model M3282 High Temperature Submersible Pump Description

They are effective for treating scale

Threaded for Easy Installation or Removal

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 Orenco PVU572425L Biotube Pump VaultLittelfuse 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