Pressure Operated Switches, P/N 81-486536-000 And P/N 81-981332-000 - Kidde Fire Systems ECS Manual

3-3.7.5

Pressure Operated Switches, P/N 81-486536-000 and P/N 81-981332-000

Pressure Switches operate from system pressure upon discharge to energize or de-energize
electrically operated equipment. Pressure switches may be used to shut down machinery and
ventilation or to annunciate system discharge (see Figure 3-30 and Figure 3-31).
(101.6 mm)
OPERATING PRESSURE = 50 PSI MIN
PRESSURE TESTED 1000 PSI
1 in. NPT FEMALE BOTH ENDS
FOR ELECTRIC CONNECTION
SWITCH SUPPLIED WITH
2 - 1 in. NPT PIPE PLUGS
EXPLOSION PROOF
MACHINED JOINT.
DO NOT USE GASKET
OR MAR SURFACES.
06-236115-001
OPERATED
SET
WIRING
SCREW
4.00 in.
TERMINALS
4.00 in.
(101.6 mm)
FRONT VIEW
COVER REMOVED
SWITCH 3PDT
COVER
GASKET
Figure 3-30. Pressure Operated Switch
3 POLE
SINGLE
6.31 in.
THROW
TOGGLE
(160.27 mm)
SWITCH
3.50 in.
(88.9 mm)
4.18 in.
(106.17 mm)
Figure 3-31. Pressure Operated Switch, Explosion Proof
STEM SHOWN IN SET POSITION-
PULL UP ON STEM TO MANUALLY
OPERATE SWITCH
OPERATED
SET
PRESSURE OPERATED SWITCH
3P.D.T.
U L
FM
½ in. SUPPLY PIPE WITH UNION
FRONT VIEW
BOX - 3 - ½ in. CONDUIT KNOCKOUTS
EACH SIDE
½ in. NPT FEMALE - CONNECT TO SYSTEM PIPING
SIDE SECTION
STEM IN
OPERATED
POSITION
STEM IN SET
POSITION - PULL
UP ON STEM TO
MANUALLY
TO RESET PUSH
STEM TO SET SET
POSITION
CLUTCH
9.00 in.
(228.6 mm)
30 AMP 250 VAC
20 AMP 600 VAC
2 HP 100-600 V
3 PHASE AC
OPERATING HEAD
2 - 13/32 in.
MOUNTING HOLES
PRESSURE INLET -
½ in. NPT FEMALE
3-27
Component Description
0.375 in. (9.52 mm)
8 COVER SCREWS
TO RESET PUSH
STEM TO SET
POSITION
15 AMP 125 VAC
10 AMP 250 VAC
3/4 HP 1-2-3 PH 125-480 VAC
4.37 in.
(111 mm)
POSITION
3 POLE
PRESSURE
OPERATED
EXPLOSION
PROOF
SWITCH
6 - COVER
SCREWS
UNION CONNECTION
October 2014