How to Guide

Commercial Pressure and Float Switches for Power Circuits
Float Switches—Class 9036, 9037, and 9038
55
03/2011
© 2011 Schneider Electric
All Rights Reserved
Class 9037 Type E Closed Tank Rod Kits
Position 1 Operation
In Position 1, the contacts close when the liquid rises. Select rod kits from Table 16.
Table 16: Class 9049 Rod Kits—Position 1 Operation (Contacts Close on Liquid Rise)
Catalog Numbers
Dimension
in. (mm)
For Use on Float Switch Types
Rod Kits
9049ER1 9049ER2 9049ER3 9049ER5 9049ER7 9049ER12
R
EG8, EW8, ER8, EG10, EW10, ER10 1.75 (44) 2.5 (64) 3.25 (83) 5.25 (133) 7.25 (184) 12.25 (311)
EG9, EW9, ER9, EG13, EW13, ER13 1.75 (44) 2.5 (64) 3.25 (83) 5.25 (133) 7.25 (184) 12.25 (311)
H
EG8, EW8, ER8, EG10, EW10, ER10 8.25 (210) 9 (229) 9.5 (241) 11.75 (298) 13.75 (349) 18.75 (476)
EG9, EW9, ER9, EG13, EW13, ER13 7.5 (191) 8.25 (210) 9 (229) 11 (279) 12 (305) 18 (457)
A
Min.
EG8, EW8, ER8 1 (25) 1 (25) 1 (25) 1 (25) 1 (25) 1 (25)
EG9, EW9, ER9 1 (25) 1 (25) 1 (25) 1 (25) 1 (25) 1 (25)
EG10, EW10, ER10 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78)
EG13, EW13, ER13 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78) 3.06 (78)
Max.
EG8, EW8, ER8 2 (51) 2 (51) 2 (51) 2.5 (64) 3 (76) 4.25 (108)
EG9, EW9, ER9 4 (102) 4.5 (114) 5 (127) 6 (152) 7.5 (191) 9.5 (241)
EG10, EW10, ER10 4.06 (103) 4.06 (103) 4.06 (103) 4.56 (116) 5.06 (129) 6.31 (160)
EG13, EW13, ER13 6.06 (154) 6.56 (167) 7.06 (179) 8.06 (205) 9.56 (243) 11.56 (294)
F
Min.
EG8, EW8, ER8, EG10, EW10, ER10 4.75 (121) 4.75 (121) 4.75 (121) 4.75 (121) 5 (127) 5.75 (146)
EG9, EW9, ER9, EG13, EW13, ER13 6 (152) 6.25 (159) 6.25 (159) 6.5 (165) 6.5 (165) 9 (229)
Max.
EG8, EW8, ER8, EG10, EW10, ER10 6 (152) 6.25 (159) 6.5 (165) 6.75 (171) 7.25 (184) 9 (229)
EG9, EW9, ER9, EG13, EW13, ER13 9 (229) 9.75 (248) 10.25 (260) 11.5 (292) 13 (330) 17.5 (445)
Water
Level
Change
Min.
EG8, EW8, ER8, EG10, EW10, ER10 1.75 (44) 1.75 (44) 1.75 (44) 1.75 (44) 2 (51) 2.75 (70)
EG9, EW9, ER9, EG13, EW13, ER13 3 (76) 3.25 (83) 3.25 (83) 3.5 (89) 3.5 (89) 6 (152)
Max.
EG8, EW8, ER8, EG10, EW10, ER10 3 (76) 3.25 (83) 3.5 (89) 3.75 (95) 4.25 (108) 6 (152)
EG9, EW9, ER9, EG13, EW13, ER13 6 (152) 6.75 (171) 7.25 (184) 8.5 (216) 10 (254) 14.5 (368)
Figure 10: Float Position 1 Figure 11: Float Position 2 Figure 12: Float Position 3
H
F
R
L
4.5
114
3.625
92
1.81
46
1.0
25
A
H
F
R
4.5
114
3.625
92
1.81
46
2.625
67
1.0
25
A
H
L
R
F
f2
f1
Dual Dimensions:
in.
mm