232-INSIDER - 232-Insider Series

littelfuse Motor and Pump Protection Relays
The Model 232-Insider single-phase PumpSaver® fits inside 1/3, 1/2, 3/4, and 1hp, 230V Grundfos control boxes. The PumpSaver® Model 232-Insider is a current monitor designed to protect single-phase pumps from dry-well, dead-head, jammed impeller, overvoltage and undervoltage conditions. Typical applications include residential water wells, commercial water wells, irrigation wells, and golf course systems.
Property (Mouseover for details) Value
Input Voltage (V) 230VAC
Input AC Line Frequency (Hz) 50/60Hz (50Hz will increase all delay timers by 20%.)
Input Load Range (hp) 1/3 - 1 hp
Output Form SPST
Output Load Rating (VA) 1 hp @ 240VAC (17 amps max.)
Restart Delay Range Over/Under Voltage: 2s; All other faults: Manual 2 - 225m
Trip Delay Range Overcurrent: 5s; Dry-well: 2s
Overvoltage Trip Voltage (%) 265VAC
Undervoltage Reset Voltage (%) 190VAC
Overcurrent Trip Class 125% of calibration point
Underload (%) Approx. 80% of calibration point
Power Consumption ≤5W
Mounting Method Inside a Grundfos® control box
Operating Temperature -40° to 70°C (-40° to 158°F)
Weight (lbs/g) 0.62 lbs. (10 oz. 283.5g)