© 2018 Littelfuse Fresh Water Pumping
3
Specifications
Functional Specifications
Adjustments/Settings
Overcurrent
125% of calibration point
Underload (dry-well)
Adjustable (70 to 90% of calibrated run power)
Overvoltage
111-Insider-P
132.5VAC
231-Insider-P
265VAC
Undervoltage
111-Insider-P
95VAC
231-Insider-P
190VAC
Number of restarts allowed
in a 60-sec. period
(rapid-cycling
) 4
Trip Delay Times
Overcurrent
5 seconds
Dry-well
4 seconds
Restart Delay Times
Over/Undervoltage
2 seconds
All other faults
Manual, 2-225 minutes
Submersible Pumps – Optimized Protection
Franklin
™
, CentriPro
™
, Pentek
®
, Grundfos
®
or Flint and Walling
™
Control Box
111-INSIDER-P / 231-INSIDER-P
Littelfuse.com/Pump-Protection
MODEL 231/111
INSIDER-P
BLUE
FIGURE 5: Pentek
®
Control Box with the PumpSaver
®
Plus Installed
PENTEK
®
CONTROL BOX WIRING DIAGRAM
FRANKLIN™ CONTROL BOX WIRING DIAGRAM
111-Insider-P/231-Insider-P
in Franklin
™
Control Box
SOLID-STATE
SWITCH
B(MAIN)
Y(COMM)
BLK
RED
ORANGE
YEL
R(START)
L2
L1
BLUE
111/231
INSIDER-P
Installation Instructions
Input Characteristics
Supply Voltage
111-Insider-P
115VAC
231-Insider-P
230VAC
Load Range
111-Insider-P
¹⁄³ – ½ hp
231-Insider-P
¹⁄³ – 1 hp
Frequency
50/60Hz
(Note: 50Hz will increase all
delay timers by 20%)
Output Characteristics
Output Contact Rating-SPST
111-Insider-P
½hp@120VAC (17 amps max.)
231-Insider-P
1hp@ 240VAC (17 amps max.)
General Characteristics
Operating Temperature
-40º to 60º C (-40º to 140º F)
Maximum Input Power
5 W
Safety Marks
cURus*
UL508, C22.2 No. 14
Weight
10 oz.
Mounting Methods
Inside a Pentek
®
, Franklin™, CentriPro™,
Grundfos
®
(mfg after mid-2014), and Flint and
Walling™ control box
*The 111-Insider-P and 231-Insider-P are approved by UL for use in the Franklin™, Pentek
®
, and
CentriPro™ type 3R control boxes when installed as described in the installation instructions.
The 111-Insider-P and 231-Insider-P are not intended to provide overload protection, and should
be used with thermally or impedance protected motors only.
