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CONVEYOR SAFETY
PC-STOP CONTROL
for immediate positiveshutdown of equipment
CONVEYOR SAFETY
PC-STOP CONTROL
Division of Material Control, Inc.Croswell, Michigan 48422 • U.S.A.
CABLE OPERATED CONVEYOR SAFETY PC-STOP SWITCH IS THE FINEST SWITCH OF IT’S KIND — RUGGED
CONSTRUCTION WITHSTANDS THE HARDEST USAGE.
CCC PC-15APRIL 2015
2 conveyorcomponents.com Conveyor Components Company • 800-233-3233 • Fax: 810-679-4510 • [email protected]
OPERATION INFORMATION:A cable is connected from a fixed point to the cable end connection clevis. Pulling on the cable approximately 1/2” will actuate the switch, trip the flag arm down into the walkway and lock the switch in the actuated position. The unit is reset by returning the flag arm to the normal up position.ACTUATION FORCE:Standard units are supplied with an actuation (pull) force of 16 lbs. At no extra charge, units can be factory set at 25 lbs. actuating force.
INSTALLATION INSTRUCTIONS1. Control should be mounted on a flat surface using mounting plate provided.2. Distance between switches should not exceed 200’. Use no more than 100’ of cable per switch end. This is for safety purposes, too much cable can result in a “long pull” situation due to slackness in the cable.3. Space cable support eye bolts every 10 feet. Keep cable from becoming too slack, also not too taught as to pull out the cable end clevis.4. Shutdown controls should be wired through the motor control circuit, not directly to motor power.5. After applying power, actuate by pulling cable to check switch. This will ensure that there is not too much slack in the cable and that there are no obstructions in the cable or flag arm.
WIRING INFORMATIONSTANDARD SWITCH – One SP/DT switch per end (two switches per end available)• 20 AMPS, 125, 250 or 480 VAC • 10 AMPS, 125 VAC “L” (tungsten lamp load)• 1 HP, 125 VAC • 2 HP, 250 VAC • 1/2 AMP, 125 VDC • 1/4 amp, 250 VDC
OPTIONAL SWITCH – One two-circuit double break switch per end (two switches per end available.) • 15 AMPS, 120, 240, 480 or 600 VAC • 1/2 HP, 120 VAC• 1 HP, 240 VAC • 0.8 AMPS, 115 VDC • 0.4 AMP, 230 VDC
SINGLE POLE, DOUBLE THROW CIRCUIT
MOTOR CONTROL CIRCUIT
FRONT VIEW (DOUBLE END UNIT) SIDE VIEW MOUNTING PLATE
MOTOR CONTROL CIRCUITWARNING CIRCUIT WARNING CIRCUIT
TWO CIRCUIT, DOUBLE BREAK CIRCUIT3A 4A
N.C.N.O.
1B 2B
MOTORSTARTER
COIL
MOTORSTARTER
COIL
LIGHTOR
ALARMHORN
LIGHTOR
ALARMHORN
L1L1 L1L1L2
L2 L2L2PULL CORD SWITCH
PULL CORD SWITCH
FLAG ARM(NORMAL POSITION)
C/L OF HOUSING ANDCONDUIT OPENINGS
C/L OF HOUSING ANDCONDUIT OPENING
CONDUIT ENTRY 1” - 11½ N.P.T.
16# PULLFIELDADJUSTABLE
FLAG ARM(TRIPPED POSITION)
PULL CORD SWITCH
PULL CORD SWITCH
cn.c
cn.o
5-29/32”[150 mm]
7”[178 mm]
5”[127 mm]
2-7/8”[73 mm]
3-1/4”[83 mm]
3/4”[19 mm]
3/4”[19 mm]
13/32” [10 mm]DIA. HOLES
1” [25 mm] NPT CONDUIT
1-1/4”[32 mm]
3/8”[10 mm]
2-3/
4”[7
0 m
m]
3”[7
6 m
m]
3”[7
6 m
m]
4-15
/16”
[126
mm
]
3-7/16”[87 mm]
7-3/4”[197 mm]
3a4a 1b
2b
NOTE: Two circuit double break switches must be wired to equal voltage sources and the same polarity. Loads should be on the same side of the lines. 1B has the same polarity as 3A.
CABLE ENDCONNECTION CLEVIS
STAINLESSSTEELBUSHING
CASTALUMINUMHOUSING.ALSOAVAILABLEWITHCORROSIONRESISTANTEPOXY COATING.
1” CONDUIT OPENING
STAINLESS STEELSHAFT ANDRETAINING RING
RUGGED TORSIONSPRING FORPOSITIVE ACTUATIONOF FLAG ARM
MOUNTING PLATE
RED POWDER COATEDFLAG ARM — HEAVYDUTY (NORMAL POSITION)
OPTIONAL WARNING LIGHT:RED LIGHT CAN BE EASILYSEEN IN DARK SITUATIONS
20 AMP 480V AC SP/DTCONTACTS (STANDARD)
REMOVAL OF THE COVER PLATEEXPOSES SWITCH TERMINALS.AMPLE ROOM FOR WIRING.
CUTAWAY VIEW
RIGHTHANDPCR-1S
LEFTHANDPCL-1S
TECHNICAL INFORMATIONUL/CSA certified enclosure sealed for outside applications • Standard unit meets
NEMA Type 1,3,4,4X and 12 requirements • Housing: cast aluminum• Flag arm: steel with red powder coating
SELECTION AND MODEL INFORMATION1-SINGLE POLE:double throw microswitchPCL-1S .................LEFT HANDPCR-1S ..............RIGHT HANDTYPICAL USE:Emergency shutdown of conveyors or other machinery.
1-SINGLE POLE:double throw microswitch at each endPCD-2S ........DOUBLE ENDEDTYPICAL USE:Emergency shutdown of conveyors or other machinery.
2-SINGLE POLE:double throw microswitchPCL-2S .................LEFT HANDPCR-2S ..............RIGHT HANDTYPICAL USE:Emergency shutdown of conveyors or other machinery – with alarm or secondary function capability.
2-SINGLE POLE:double throw microswitch at each endPCD-4S ........DOUBLE ENDEDTYPICAL USE:Emergency shutdown of conveyors or other machinery – with alarm or secondary function capability.
2-TWO CIRCUIT:double break microswitch for D.C. circuitsPCL-2T .................LEFT HANDPCR-2T ...............RIGHT HANDTYPICAL USE:Emergency shutdown of conveyors or other machinery – with alarm or secondary function capability.
2-TWO CIRCUIT:double break microswitch at each end for D.C. circuitsPCD-4T .........DOUBLE ENDEDTYPICAL USE:Emergency shutdown of conveyors or other machinery – with alarm or secondary function capability.
1-TWO CIRCUIT:double break microswitch for D.C. circuitsPCL-1T .................LEFT HANDPCR-1T ...............RIGHT HANDTYPICAL USE:Emergency shutdown of conveyors or other machinery.
1-TWO CIRCUIT:double break microswitch for D.C. circuitsPCD-2T .........DOUBLE ENDEDTYPICAL USE:Emergency shutdown of conveyors or other machinery.
CABLE SUPPORT EYE BOLT1” eye x 6” zinc plated. ½”-13 x 2½” thread.Includes two nuts and one lockwasher.PC-27
CABLE END FITTINGForged steel saddle and steel U-bolt. Galvanized.PC-28
CONDUIT PLUG1” metal, socket head conduit plug.PC-29
PC MOUNTING BRACKETPC-30
SAFETY CABLE3/32” x 7x7 preformed, galvanized aircraft cable. Available with either orange vinyl or orange nylon protective coating. 3/16” O.D.Vinyl Coated PC-25Nylon Coated PC-26
HAZARDOUS LOCATIONS: UL/CSA explosion proof units meet NEMA Type 7 – Class 1 (Div. 1 & 2), Groups C and D NEMA Type 9 – Class II (Div. 1 & 2), Groups E, F and G for hazardous locations. Add “X” to model number, NO ADDITIONAL CHARGE.
REMOTE OR DARK LOCATIONS: Use our red warning light in dark and remote areas (requires two microswitches per end of housing). 125 VAC. (incandescent) NOTE: Available in rain tight, dust tight and explosion proof. Add suffix “L” to model number. 125 VAC LED lamp available by special order.
CORROSIVE LOCATIONS: Epoxy coated housing with standard flag arms and plated torsion springs. Please add “E” to model number.
SPECIAL APPLICATION OPTIONS ACCESSORIES
Conveyor Components Company • 800-233-3233 • Fax: 810-679-4510 • [email protected] • conveyorcomponents.com 3
[SEE PRICE SHEET FOR PRICES]
PCL-1SPCR-1S
100’MAXIMUM
100’MAXIMUM
Cable endsCable ends
100’MAXIMUM
100’MAXIMUM
Eyebolts10’ SPACING
AVAILABLE OPTIONS:Explosion-Proof for Hazardous locations • Epoxy Coating for Corrosive locations
AVAILABLE OPTIONS:Explosion-Proof for Hazardous locations • Epoxy Coating for Corrosive locations • Optional Light for Remote or dark locations
CONVEYOR SAFETY
PC-STOP CONTROL
for immediate positiveshutdown of equipment
130 Seltzer Road • PO Box 167 • Croswell, MI 48422www.conveyorcomponents.com • [email protected]
Phone: 800-233-3233 Fax: 810-679-4510
F.O.B Croswell, Michigan • Terms: Net 30 days, Tax not included • Prices subject to change without notice
© Copyright 2015Effective February, 2015
SEE OUR OTHER BULLETINS FOR ADDITIONAL PRODUCTS TO KEEP YOUR CONVEYOR
OPERATING SMOOTHLY
The PC Stop Control can be used for emergency shutdown of conveyor systems, elevator equipment,
bulk handling systems, cranes, production and assembly lines, or any other equipment which may require
immediate, positive shutdown.
We Accept: