SJE VerticalMaster® 3 Plus Pump Switch

Mechanically-Activated Switch for Limited Space Applications

verticalmaster 3 plus

The SJE VerticalMaster® 3 Plus mechanically-activated pump switch is designed for direct control of pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC for:

  • non-potable water applications
  • effluent applications
  • limited space applications

It works well in small sump chambers, effluent applications, and laundry trays, as well as in large tanks. The SJE VerticalMaster®3 Plus pump switch is not sensitive to turbulence. It is available for pump down applications only.

verticalmaster 3 plus


  • Heavy-duty contacts
  • Controls pumps up to 1/2 HP at 120 VAC and 1 HP at 230 VAC
  • Adjustable pumping range of 2 to 6.5 inches (5 to 17 cm)

verticalmaster 3 plus diagram


PUMPING RANGE: 2 to 6.5 inches (5 cm to 17 cm)

CABLE: flexible 16 gauge, 2 conductor (UL, CSA) SJOW or SJTOW, water-resistant (CPE).

MOUNTING BRACKET: polypropylene

LIFT ROD: acetal

FLOAT STOP: acetal

SWITCH AND FLOAT HOUSING: high impact, corrosion resistant, PVC housing for use in sewage and non-potable water up to 140°F (60°C)

  • Switch Housing: Height 2.6” x Length 3.3” x Width 1.5” (6.6 cm x 8.5 cm x 3.9 cm)
  • Float Housing: Height 2.87” x Diameter 2.87” (7.3 cm x 7.3 cm)
  • Float Rod Length: 8.55”



This switch is available:

  • with a 120 VAC or 230 VAC piggy-back plug
  • without a plug for direct wiring in 120 VAC or 230 VAC applications
  • in standard cable lengths of 10, 15, 20, or 30 feet

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