Instructions

Bulletin No. 65013-008-71A
April 2000
Raleigh, NC, USA
Replaces 864AS dated 10/85
Tank Float Switch
Flange Mounted
Class 9037, Type EG
1
Instruction Bulletin
© 1985–2000 Schneider Electric All Rights Reserved
Use the tank float switch to control the liquid level automatically in a closed
tank. The float switches can be set in the field to either open or close contacts
on rising liquid. Floats and rod kits are available. See Tables 2-5.
Class 9037 Type EG float switches are double-pole devices mounted in
NEMA 1 (general purpose) rated enclosures.
Mount the tank float switch directly to the tank by using the four 13/16 in.
diameter mounting holes that are provided in the flange. Flange gaskets are
not provided. The recommended size of the hole in the tank is 4-3/16 in.
Table 1: Class 9037, Type EG Double-Pole Device Ratings
Electrical Ratings
No. of
Poles
Voltage
Horsepower
Control Circuit
Rating
Single Phase AC Polyphase AC DC
2 Pole
115 Vac 2 3 0.5
A600
230 Vac 3 5 0.5
460/575 –1–
32 – – 0.25
Temperature Ratings
-40 to +185 °F (-40 to +86 °C)
Pressure Rating
50 psi
Enclosure Rating
NEMA 1
INTRODUCTION AND
SPECIFICATIONS
INSTALLATION & WIRING
HAZARDOUS VOLTAGE
Disconnect all power before installing or servicing this equipment.
Failure to follow this instruction will result in death or serious
injury.
DANGER
T1 T2
Line Load Load Line
L2L1
Line
M
T1L1 T2 L2
T1
T2
T3
Line Load Load Line
L2
L3L1
Line
M
T1L1 T2 L2
Double Pole
3 Phase
Double Pole
Single Phase