OFL-331C
FLUID LEVEL SENSOR
Potter Electric Signal Co., LLC • St. Louis, MO • Cust Service: 866-240-1870 • Tech Support:866-956-1211• Canada 888-882-1833 • www.pottersignal.com
MKT. #8880103 - REV C
2/10
PAGE 1 OF 1
PRINTED IN USA
Can be used in:
Water
Brake uid
Gasoline
Kerosine
Diesel fuel
Other various uids
Application
The OFL-331C Fluid Level Sensor is designed to be immersed in a liquid and sense a preset liquid level. The OFL-331C may be used in a
variety of uids where level detection is required.
Specications
Dimensions
Stock
Number Package Switch
Housing
Contact
Type Contact Contact
Rating
Max. Carry
Current
Max.
Switching
Current
Breakdown
Voltage
Operating
Temperature
Range
4420002 Level sensor only
Acetal resin Form C
N.O./N.C.
22 AWG
20” lead 3VA .5 Amp .2 Amp 150VDC -4°F-176°F
-20°C-80°C
4420003 Level sensor with
L bracket
PF:-331C Wiring Designations
With the oat in the up position (closest to the wire):
Black Com
Green N.C.
Red N.O.
With the oat in the down position (furthest from the wire):
Black Com
Green N.O.
Red N.C.