3-1490-FM200M-000 September 2004
FM-200
®
ECS Series Engineered Fire Suppression Systems
GASKET
FRONT VIEW
SWITCH 3PDT
COVER
BOX-3-½”CONDUIT KNOCKOUTS
EACH SIDE
½” NPT FEMALE - CONNECT TO SYSTEM PIPING
SIDE SECTION
SET
OPERATED
PRESSURE OPERATED SWITCH
3P.D.T.
U
L
FM
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
8 COVER SCREWS
STEM SHOWN IN SET POSITION-
PULL UP ON STEM TO MANUALLY
OPERATE SWITCH
0.375" (9.52 mm)
½” SUPPLY PIPE WITH UNION
OPERATED
SET
4.00"
(101.6 mm)
WIRING
SCREW
TERMINALS
4.00"
(101.6 mm)
FRONT VIEW
COVER REMOVED
OPERATING PRESSURE = 50 PSI MIN
PRESSURE TESTED 1000 PSI
Figure 3-31. Pressure Operated Switch
STEM IN
OPERATED
POSITION
STEM IN SET
POSITION - PULL
UP ON STEM TO
MANUALLY
1" NPT FEMALE BOTH ENDS
FOR ELECTRIC CONNECTION
SWITCH SUPPLIED WITH
2 - 1" NPT PIPE PLUGS
CLUTCH
3 POLE
SINGLE
THROW
TOGGLE
SWITCH
TO RESET PUSH
STEM TO SET
POSITION
OPERATING HEAD
PRESSURE INLET -
1/2" NPT FEMALE
EXPLOSION PROOF
MACHINED JOINT.
DO NOT USE GASKET
OR MAR SURFACES.
SET POSITION
GAS
INLET
6 - COVER
SCREWS
30 AMP 250 VAC
20 AMP 600 VAC
2 HP 100-600 V
3 PHASE AC
PRESSURE
OPERATED
EXPLOSION
PROOF
SWITCH
UNION CONNECTION
2 - 13/32"
MOUNTING HOLES
6.31"
(160.27 mm)
9.00"
(228.6 mm)
4.37"
(111 mm)
4.18"
(106.17 mm)
3.50"
(88.9 mm)
3 POLE
Figure 3-32. Pressure Operated Switch,
Explosion Proof
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