SJE PumpMaster® SPDT 13 Amp Wide Angle Pump Float Switch, Three-Wire Setup for 120/240V Pumps, Adjustable 7"-36" Range, UL/CSA Listed, NSF-61 Rated

SJE PumpMaster SPDT Float Switch – 3-Wire Wide Angle Float for Pump Up or Pump Down Applications

Reliable, Mercury-Free Float Switch for Versatile Pump Control

The SJE Rhombus PumpMaster SPDT is a wide-angle, mechanically activated float switch that delivers reliable, mercury-free performance for both pump up and pump down operations. Designed with a three-wire, Single Pole Double Throw (SPDT) configuration, this float is engineered for professionals managing water levels in sump pits, septic tanks, holding tanks, and lift stations—making it ideal for municipal, industrial, and residential systems alike.

With a wide adjustable pumping range (7" to 36") and the ability to control 120V pumps up to 1/2 HP or 240V pumps up to 1 HP, this float switch handles tough jobs with ease. The mechanical design offers a high starting current rating (85 amps) and performs reliably in both calm and turbulent water conditions.

Key Features: Built for Pumping Power & Flexibility

• Direct Pump Control: Supports 120V pumps up to 1/2 HP and 240V pumps up to 1 HP

• SPDT 3-Wire Design: Can be wired as either normally open (pump down) or normally closed (pump up)

• Wide Adjustable Pumping Range: 7" to 36", offering maximum installation flexibility

• Mercury-Free Mechanical Activation: Safe and environmentally responsible

• High Starting Current Rating: Up to 85 amps, perfect for high-demand start-up loads

• Rugged Construction: High-impact, corrosion-resistant PVC float housing

• Reliable in Any Environment: Works in both still and turbulent water applications

• UL, CSA, and NSF-61 Certified: Approved for potable water and sewage use

• Multiple Cable Length Options: Available in 15', 20', or 30' lengths

• 5-Year Manufacturer Warranty: Long-term reliability you can trust

Expand Your Pump Control System

• SJE PumpMaster Plus – Piggyback Plug Version
  Ideal for plug-and-play setups with no hardwiring required.

• Float Switches & Accessories
  Explore our full selection of float switches, weights, mounting brackets, and cable accessories.

• Tank Alarm Systems
  Need monitoring? Pair this switch with a high/low level alarm panel for reliable alerts.

Upgrade to SPDT Precision with the SJE PumpMaster

Whether you're automating a sump pump or maintaining water levels in a critical system, the SJE PumpMaster SPDT float switch gives you unmatched versatility, reliability, and control. Its high-quality, non-mercury design is trusted across the municipal, utility, agricultural, and wastewater sectors. Upgrade your pump system with confidence and enjoy worry-free operation backed by SJE Rhombus’ 5-year warranty.