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22-30
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All Rights Reserved
Float Switches Open Tank, 9036FG, and Closed Tank,
9037E
schneider-electric.us
Refer to Catalog 9034CT9701
22
PRESSURE, VACUUM, AND FLOAT
SWITCHES
Closed Tank, Class 9037 Type E
9037EG with
9049ER3 Rod Kit and
9049EF1 Float
Type E switches are flange mounted and float movement is transmitted through a Quad-
Ring
®
seal.
Build up the switch to meet your exact requirements from the basic switch, float rod,
and float groups below. Switch may be assembled in the field to give contacts that open
on liquid rise or close on liquid rise. Consult Schneider Electric for use in media with a
different specific gravity than water.
Ambient temperature ratings: Min. -30 °C (-22 °F); Max. +105 °C (+220 °F)
Table 22.93: Class 9037 Type E
Application
Post
Length
L (in.)
NEMA 1 NEMA 4 NEMA 7 & 9
Catalog No. Catalog No. Catalog No.
For minimum water level change
2-5/8 9037EG8 9037EW8 9037ER8
4-11/16 9037EG10 — —
For maximum water level
change
2-5/8 9037EG9 9037EW9 9037ER9
4-11/16 9037EG13 9037EW13 —
Table 22.94: Class 9049 Floats for Type E Switches
Description Catalog No.
#304 stainless steel 9049EF1
#316 stainless steel 9049EF2
Table 22.95: Class 9049 Float Rod Kits
Catalog No. A (in.) F (in.) R (in.) H (in.)
9049ER1 1.00 4.75 1.75 8.25
9049ER2 1.00 4.75 2.5 9.00
9049ER3 1.00 4.75 3.50 9.50
9049ER5 1.00 4.75 5.25 11.75
9049ER7 1.00 5.00 7.25 13.75
9049ER12 1.00 5.75 12.25 18.75
File No. E12158 and
E12443 Haz Loc
Type EG Dimensions, in. (mm)
For 9037ER/EW dimensions and rod positions,
see catalog 9034CT9701
R
H
F
4.5
114
2.63
67
4.19
106
3.63
92
DIA.
0.41
10
4.41
112
5.13
130
0.13
3
3.69
94
0.97
25
1.97
50
3.97
101
0.25
6
2.69
68
2.5
64
2.38
60
5.75
146
1.11
28
1.06
27
Wide Bead
4 Holes Dia.
Shown with Rod Kit and Float Kit installed,
with Pattern for hole in tank.
Recommended hole size =
diameter.
NEMA 1 Enclosure, Post
Net Weight 4 lb (1.8 kg)
Opening for
conduit on
both sides
CL of Flange
CL of Flange
of Float
diameter
dia.
dia.
* *
Short length
(Dimension L)
File 25490 except
Types ER8, ER9