Float Switches

Types A, C—Mechanical Alternators

Class 9038 / Refer to Catalog 9034CT9701

Type A Open Tank

Alternators are designed to provide motor alternation in the operation of two motors.

Table 22.40:

For Open Tank or
Sump Systems
Using Duplex Pumps

Mechanical
Alternator
Float Operated

For use with Class 9049 Float Accessories listed on page 22-20. Type AW, AR alternators MUST use center hole floats.

Table 22.41:

Table Of Operating Forces—Types AG, AR and AW

Type

Without
Comp. Spring
(No Form C)

Maximum Weight of Rod and
Stops That Can Be Supported By Compensating
Spring (Form C)

Note: AW1 and AR1 have
compensating spring standard.

Length of Rod That Can Be Supported with the Compensating Spring at the Max. Adjustment

Force
Upb

Force
Down

Brass a

Stainless
Steel a

Aluminum
a

AG1 (Min. Lever Ext.)

AG1 (Max. Lever Ext.)

AG1 Form R (Min. Lever Ext.)

AG1 Form R (Max. Lever Ext.)

AR1, AW1 (Standard Lever)

—

AR1, Form R, AW1 Form R (Std. Lever)

—

a	Rod length has been determined using the weight of the rod material furnished on Class 9049 accessories (3/8" O.D. tubing). Other types of rod should be weighed and compared to the Weight of Rod column above.

b	Add 2 oz for Form N5 High Water alarm.

Type C Closed Tank

Flange mounted with bellows seal for control of liquid level within a closed tank. Build up the switch to meet your requirements from the basic switch, rod kit, and float kit groups below.

Table 22.42:

Class 9049 Float Kits For Use With 9038 Type B

$ Price

Type C switches are attached to the tank by means of a 2-1/2 inch screw-in connection. An external pointer indicates the float position within the tank when the unit is mounted. Switches come complete with screw-in connector, stainless steel float and rod.