20AMDWOP Ampmaster Pump Down "NO"

The SJE AmpMaster® pump switch provides automatic control of grinder and high head sewage pumps in grinder and lift station applications, as well as septic tank effluent pump (STEP) systems that have a higher amperage requirement. UL Recognized; CSA Certified.

• Maximum pump running current of 20 amps.
• Mechanically-activated
• Controls pumps up to 1½ HP at 120 VAC; 3 HP at 250 VAC
• Not sensitive to rotation or turbulence
• Pumping range: 9" to 24"
• Available for pump down applications only