User Guide

Electrical Connections
Unscrew the four cover screws and lift off the
outer cover.
Diagrams showing the internal
connections of the micro-switch
with:
Flow switch used to activate a
device when flow stops.
When the decreasing operating flow is reached
or stops the common (black wire) and the
normally open (red wire) contacts open, while
the common (black wire) and the normally
closed (blue wire) contacts close.
Flow switch is used to activate a
device when flow starts.
When flow starts and the increasing operating
flow is reached or exceeded, the common
(black wire) and normally open (red wire)
contacts are closed, while the common (black
wire) and the normally closed (blue wire) are
open.
COM
(black)
N.O.
(r ed)
N.C.
(blue)
Line input
Switched
output
COM
(black)
N.O.
(r ed)
N.C.
(blue)
Line input
Switched
output
Resistive Load 15 A 15 A 15 A 15 A
Inductive Load 15 A 15 A 15 A 15 A
Motor Load 5 A 2.5 A 3 A 1.5 A
Horsepower 1/8 HP 1/8 HP 1/4 HP 1/4 HP
125 V
AC
250 V
AC
N.C. N.O. N.C. N.O.
Make sure the wires do not
obstruct the function of the
switch mechanism.
Assurez-vous que les fils ne
sont pas
entraver le fonctionnement de la
changer le mécanisme.
Electrical Rating