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“We Keep Your Conveyor Moving!” “We Keep Your Conveyor Moving!” BULLETIN PC-08 conveyor safety pc-stop switch cable operated conveyor safety pc-stop switch is the finest switch of its kind — rugged construction withstands the hardest usage. UL LISTED CERTIFIED ® MATERIAL CONTROL, INC. 197 POPLAR PL. • UNIT 3 P.O. BOX 308 NORTH AURORA, IL 60542-0308 800-926-0376 • 630-892-4274 • FAX 630-892-4931 WWW.MATERIALCONTROLINC.COM • EMAIL: [email protected] OPERATION INFORMATION: INSTALLATION INSTRUCTIONS A cable is connected from a fixed point to the cable end connection clevis. A pull on the cable with 1. Switch should be mounted on a a movement of approximately 1/2" will actuate the switch and trip the flag arm down, into the walk- flat surface using mounting holes way, and lock the switch and flag arm in the actuated position. Unit is reset by returning the flag provided. One fastener in each arm to the normal up position. end of mounting bar will be suffi- ACTUATION FORCE: cient. Standard unit is supplied with an actuation (pull) force of 16 lbs. We can supply (at no extra 2. Distance between switches should not exceed 200'. Use no charge) units factory set at 25 lbs. actuating force. The standard 16 lbs. actuation force will allow more than 100' of cable per the use of far more cable, per switch, than would ever be required (over 500 ft. of unsupported switch end. This is for safety pur- cable). poses, too much cable can result in a “long pull” situation due to OPTIONAL WARNING LIGHT: RED EPOXY slackness in the cable. RED LIGHT CAN BE EASILY PAINT FLAG 3. Space cable support eye bolts SEEN IN DARK SITUATIONS ARM — HEAVY every 10'. Keep cable from DUTY (NORMAL becoming too slack, also not CABLE END 20 AMP 480V AC SP/DT POSITION) “tight” as to be pulling out the CONNECTION CONTACTS (STANDARD) cable end clevis. CLEVIS 4. Wiring should be through the RUGGED motor control circuit. TORSION 5. After applying power, actuate by SPRING FOR pulling cable to check switch. This POSITIVE will insure that there is not too ACTUATION much slack in the cable and that OF FLAG there are no obstructions in the ARM cable or flag arm. STAINLESS STEEL BUSHING REMOVAL OF COVER CAST PLATE EXPOSES ALUMINUM SWITCH TERMINALS. HOUSING ALSO PLENTY OF ROOM AVAILABLE FOR WIRING WITH CORROSION STAINLESS RESISTANT STEEL SHAFT EPOXY COATED AND HOUSING RETAINING 1" CONDUIT OPENING RING WIRING INFORMATION: STANDARD SWITCH — One SP/DT switch per end (extra switch per end avail.) OPTIONAL SWITCH — One two circuit double break switch per end (extra switch • 20 AMPS, 125, 250 or 480 VAC • 10 AMPS, 125 VAC “L” (tungsten lamp load) per end available.) • 15 AMPS, 120, 240, 480 or 600 VAC • 1/2 HP, 120 VAC • 1 HP, 125 VAC • 2 HP, 250 VAC • 1/2 AMP, 125 VDC • 1/4 amp, 250 VDC • 1 HP, 240 VAC • 0.8 AMPS, 115 VDC • 0.4 AMP, 230 VDC 3A 4A N.C SINGLE POLE, DOUBLE THROW CIRCUIT TWO CIRCUIT, DOUBLE BREAK CIRCUIT N.O 1B L L L2 PULL CORD 2B PULL CORD SWITCH L1 2 PULL CORD SWITCH L PULL CORD SWITCH 1 L1 L2 L1 2 SWITCH NOTE: Two circuit double break MOTOR LIGHT MOTOR LIGHT switches must be wired to equal STARTER c OR c STARTER 3a OR 1b voltage sources and the same n.c n.o 4a 2b COIL ALARM COIL ALARM polarity. Loads should be on the HORN HORN same side of the lines. 1B has the MOTOR CONTROL CIRCUIT WARNING CIRCUIT MOTOR CONTROL CIRCUIT WARNING CIRCUIT same polarity as 3A. DIMENSIONAL SPECIFICATIONS 529/32" FLAG ARM (TRIPPED POSITION) C/L OF HOUSING & CONDUIT OPENING FLAG ARM (NORMAL 7" 13/32" DIA. HOLES POSITION) 16# PULL FIELD ADJUSTABLE 3" " 16 / 15 4 " 4 / 3 2 3" 3/4" C/L OF HOUSING AND CONDUIT OPENING C/L OF CONDUIT 1"-111/2 N.P.T. 3/4" 3/4" 7 3 1 3 /16" 7 /4" 3 /4" 3/8" 11/4" 11/4" 5" 27/8" FRONT VIEW (DOUBLE END UNIT) SIDE VIEW MOUNTING BAR 2. MODEL 16 BELT ALIGNMENT SWITCH PCR-1S LEFT HAND PCD-2S PCL-1S RIGHT PCL-1S HAND PCR-1S 200' MAXIMUM 200' MAXIMUM TECHNICAL INFORMATION: Enclosure sealed for outside applications • Standard unit meets NEMA 1,3,4,4X and 12 requirements • Housing: cast aluminum • Flag arm: steel with red epoxy paint coating. SELECTION AND MODEL INFORMATION 1-SINGLE POLE: 1-TWO CIRCUIT: 1-SINGLE POLE: 1-TWO CIRCUIT: double throw micro switch double throw micro switch for double throw micro switch at double throw micro switch at PCL-1S . .LEFT HAND D.C circuits each end each end for D.C circuits PCR-1S . RIGHT HAND PCL-1T . .LEFT HAND PCD-2S . DOUBLE ENDED PCD-2T . DOUBLE ENDED TYPICAL USE: PCR-1T . RIGHT HAND TYPICAL USE: TYPICAL USE: Emergency shutdown of convey- TYPICAL USE: Emergency shutdown of convey- Emergency shutdown of convey- ors or other machinery. Emergency shutdown of convey- ors and other machinery. ors or other machinery. AVAILABLE OPTIONS: ors and other machinery. AVAILABLE OPTIONS: AVAILABLE OPTIONS: • Hazardous locations AVAILABLE OPTIONS: • Hazardous locations • Hazardous locations • Corrosive locations • Hazardous locations • Corrosive locations • Corrosive locations • Corrosive locations • Remote or dark locations • Remote or dark locations • Pennsylvania B.O.T.E. approved 2-SINGLE POLE: 2-TWO CIRCUIT: Double throw micro switch Double throw micro switch for PCL-2S . .LEFT HAND D.C circuits 2-SINGLE POLE: 2-TWO CIRCUIT: PCR-2S . RIGHT HAND PCL-2T . .LEFT HAND Double throw micro switches at Double throw micro switches at TYPICAL USE: PCR-2T . .RIGHT HAND each end each end for D.C circuits Emergency shutdown of convey- TYPICAL USE: PCD-4S . DOUBLE ENDED PCD-4T . DOUBLE ENDED ors or other machinery — with Emergency shutdown of convey- TYPICAL USE: TYPICAL USE: alarm or computer interface ors or other machinery — with Emergency shutdown of convey- Emergency shutdown of convey- capability. alarm or computer interface cap. ors or other machinery — with ors or other machinery — with AVAILABLE OPTIONS: AVAILABLE OPTIONS: alarm or computer interface alarm or computer interface • Hazardous locations • Hazardous locations capability. capability • Corrosive locations • Corrosive locations AVAILABLE OPTIONS: AVAILABLE OPTIONS: • Remote or dark locations • Remote or dark locations • Hazardous locations • Hazardous locations • Corrosive locations • Corrosive locations MODELS MODELS • Remote or dark locations • Remote or dark locations PCL-1S PCL-1T PCR-1S PCR-1T MODELS MODELS PCL-2S PCL-2T PCD-2S PCD-2T PCR-2S PCR-2T PCD-4S PCD-4T SPECIAL APPLICATION OPTIONS: HAZARDOUS LOCATIONS: REMOTE OR DARK LOCATIONS: Explosion proof units meet NEMA 7 — class 1, Groups C and D Use or red warning light in dark and remote areas (requires two micro • NEMA 9 — class II, Groups E, F and G for hazardous locations. Add switches per end of housing). 125V AC. “X” to model number, NO ADDITIONAL CHARGE. NOTE: Available in rain tight, dust tight and explosion proof. Add prefix “L” to model number. CORROSIVE LOCATIONS: PENNSYLVANIA B.O.T.E. APPROVED: Epoxy coated switches with standard flag arms and plated torsion PCD-27-B.O.T.E. springs. Please add “EPOXY” to model number. SEE PRICE SHEET FOR PRICES ACCESSORIES: LEFT HAND 5" " " 2" 1/2 2 16 / 15 4 RIGHT HAND 6" CABLE WITH ORANGE PROTECTIVE COATING 1/2" 7/16" DIA. TORSION SPRINGS CABLE SUPPORT EYE BOLTS CABLE END FITTINGS 3/32 7x7 preformed galva- HOLES 1" /2" Right or left hand replace- Plated 1/2" N.C. thread - two Forged steel saddle and steel nized aircraft cable 3/16" O.D. 11 ment torsion springs for all nuts and one lock-washer U-bolt. Cadmium plated bolts Vinyl coated. PC-25 CONDUIT PLUG PC MOUNTING PC switches. PC-31 RH or LH included. PC-27 and nuts. PC-28 Nylon coated. PC-26 1" metal conduit plug. PC-29 BRACKET. PC-30 3. conveyor safety pc-stop switch for immediate positive shutdown of equipment Our PC Stop Switch can be used for emergency or normal shutdown of conveyor systems, elevator equipment, bulk handling systems, cranes, production and assembly lines. Or any other equipment which may require immediate, positive shutdown. SEE OUR OTHER BULLETINS FOR ADDITIONAL SWITCHES TO KEEP YOUR CONVEYOR OPERATING SMOOTHLY © ® MATERIAL CONTROL, INC. Copyright Material Control, Inc. 1992 197 POPLAR PL. • UNIT 3 WWW.MATERIALCONTROLINC.COM P.O. BOX 308 EMAIL: [email protected] “CHARGE IT” SUBJECT TO CHANGE WITHOUT NOTICE NORTH AURORA, IL 60542-0308 TERMS: NET 30 DAYS 800-926-0376 • 630-892-4274 • FAX 630-892-4931 F.O.B. FACTORY - TAX NOT INCLUDED MODEL CABLE OPERATED SAFETYSS STOP CONTROL FOR CONVEYORS MODEL SS EXCLUSIVE FEATURES 1. The Model SS is equipped with a positive safety lock. Having once been actuated, it cannot be accidentally reset causing WHAT IT IS, AND WHAT IT DOES dangerous equipment to restart. In order to reset the control, the actuation arm must be pushed in and turned. It takes no The Model SS is a rugged safety control that provides longer and it makes this a true “safety” control. a quick positive shut off of dangerous equipment in emergencies or normal operation. It is actuated by 2. The Model SS is installed with cable extending in both directions from the actuating handle. There is one electrical a cable pulled by endangered personnel. The output connection inside. This simple arrangement eliminates contacts of the Model SS can control up to two the double electrical connections required in two ended separated circuits, one for machinery shutdown and units employing a separate microswitch for cable in one for alarm.
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