© 2018 Littelfuse Fresh Water Pumping
10
Submersible Pumps – Optimized Protection
Littelfuse.com/Pump-Protection
Specifications
Functional Specifications
Adjustments/Settings
Overcurrent
125% of calibration point
Underload (dry-well)
Adjustable (70 to 90% of calibrated run power)
Overvoltage
111P
132.5VAC
233P, 233P-1.5
265VAC
Undervoltage
111P
95VAC
233P, 233P-1.5
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
Input Characteristics
Supply Voltage
111P
115VAC
233P-1.5, 233P
230VAC
Load Range:
111P
¹⁄³ – 1 hp
233P-1.5
¹⁄³ – 1.5 hp
233P
¹⁄³ – 3 hp
Frequency
50*/60Hz
Output Characteristics
Output Contact Rating-SPST
111P
1hp@120VAC (16 amps max.)
233P-1.5
1.5hp@240VAC (10 amps max.)
233P
3hp@240VAC (17 amps max.)
General Characteristics
Operating Temperature
-40º to 60º C (-40º to 140º F)
Maximum Input Power
5 W
Wire Gauge
Solid or Stranded 10 - 22AWG
Terminal Torque
13 in.-lbs.
Safety Marks
cULus Listed
UL508, C22.2 No. 14
Dimensions H
73.66 mm (2.9”);
W
133.35 mm (5.25”);
D
73.99 mm (2.913”)
Weight
14 oz.
Mounting Methods
#8 screws
*Note: 50Hz will increase all delay timers by 20%
Dimensions
111P / 233P / 235P DIMENSIONS
4.03" (102.36)
5.25" (133.35)
4.50" (114.30)
0.375"
(9.53)
2.90"
(73.66)
2.163"
(54.94)
2.913"
(73.99)
111P / 233P / 235P DIMENSIONS
4.03" (102.36)
5.25" (133.35)
4.50" (114.30)
0.375"
(9.53)
2.90"
(73.66)
2.163"
(54.94)
2.913"
(73.99)
111P / 233P / 233P-1.5
Installation Instructions
TYPICAL WIRING DIAGRAM FOR 111P / 233P / 233P-1.5
Models 111P / 233P
OPTIONAL PRESSURE SWITCH
OR CIRCUIT BREAKER
GND
L2
L1
111P / 233P
MODEL
FUSED DISCONNECT
IN
L1
L1
OUT
IN
L2
OUT
L2
(IF USED)
CONTROL BOX
3 WIRE
PRESSURE SWITCH
MOTOR
PUMP
LOCATION
Shows Internal Connections
