Use and Care Guide

Commercial Pressure and Float Switches for Power Circuits
Float Switches—Class 9036, 9037, and 9038
45
03/2011
© 2011 Schneider Electric
All Rights Reserved
Float Switches—Class 9036, 9037, and 9038
Introduction
Square D brand offers a wide range of electromechanical level control products.
Class 9036, Open Tank
Class 9037, Closed Tank
Class 9038, Mechanical Alternators
Class 9036 Open Tank
Type D and G
The Class 9036 Type D and G float switches are lever operated and designed for open tank
applications. These switches are floor mounted, or they can be pedestal mounted using mounting plate
9049UMS1. They are available in NEMA Type 1, Type 4, or Type 7 and 9 enclosures.
Type FG
The Class 9036 Type FG30 pedestal-style sump pump switch is designed for liquid level control with
electric-motor operated pumps, either directly or through a magnetic starter. It can also be used to
activate alarms in liquid level control systems. The upward or downward movement of the lever arm of
the float switch controls the On and Off positions corresponding to the water level changes required to
turn the pump or alarm on and off.
NOTE: The rod for this device is 33.75 in. long. It cannot be lengthened.
9036DG2
9036GG
9036FG
9049A60
9049A61