SEALED CONNECTORS FOR THE LIMIT SWITCHES

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Marjory Fisher
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SEALED CONNECTORS FOR THE LIMIT SWITCHES LIST OF MODELS / Sealed connectors are used at the cable-connecting section of limit switches.

Conveying machines oil resistance Valves Heat-resistance, Plants cold resistance Presses Cable lead-out type Locations constantly subject to splashing by cutting fluid (outstanding oil resistance and

Machine tools Conveyors Nut with protective wire mesh cable grip for cable lead-out Locations where there is a risk of chips, etc.

resistance High tensile strength High sealability Robots Presses Machine tools Conveyors Single piece Can be mounted on sealed connector already in use Locations where pulling and bending forces are

1 SEALED CONNECTORS FOR THE LIMIT SWITCHES LIST OF MODELS / Sealed connectors are used at the cable-connecting section of limit switches. Type and appearance Materials Features Target market Applications PA1 Series Brass Machine tools High strength Automobile Harsh environment manufacturing resistance facilities Corrosion resistance, Conveying machines oil resistance Valves Heat-resistance, Plants cold resistance Presses Cable lead-out type Locations constantly subject to splashing by cutting fluid (outstanding oil resistance and cold and heat resistance) Outdoor use PA1- G Series SUS Brass High strength Harsh environment resistance Cable protection Vibration resistance High tensile strength High sealability Robots Presses Machine tools Conveyors Nut with protective wire mesh cable grip for cable lead-out Locations where there is a risk of chips, etc. damaging the cable Locations where the cable constantly moves or is bent due to machine operation CLICK PA1- G Copper SUS High strength Harsh environment resistance Cable protection Vibration resistance High tensile strength High sealability Robots Presses Machine tools Conveyors Single piece Can be mounted on sealed connector already in use Locations where pulling and bending forces are exerted on cables and flexible conduits PA3 Series Brass High strength Harsh environment resistance High sealability Machine tools Valves Plants Automobile manufacturing facilities (welding lines) Flexible conduit mounting type Locations requiring cable protection Locations requiring flexible tubing PA4-N Series 66 nylon Low cost High sealability Oil resistance Cargo-handling machines Automated outdoor parking facilities Locations requiring dust-proofing but which are not splashed constantly with cutting fluid Locations not subject to vibration, impact, or sudden temperature change Locations that are indoors but are sometimes splashed by oil or rainwater 1

2 PA1 SERIES SEALED CONNECTORS Sealed connectors for cables connected to limit switches. Can be used with protective stainless steel wire mesh cable grip. Cable lead-out type sealed connector. Straight and 90 elbow types available. Various conduit sizes and cable O.D.s are available. ORDER GUIDE Model selection guide : Example:PA1-A1PF Basic catalog listing PA1 Shape -A -D Cable O.D nominal dimension PF PT G1 G2 G3 *All catalog listings for Yamatake limit switches having screw nominal diameter codes PF (G1/2), G1, G2, and G3 (PG size) are custom-order products. For details, contact your dealer. Environmental Additional specifications specifications Blank H M Blank G Cable lead-out type sealed connector Straight Elbow (90 ) For cable 4 to mm in dia. For cable to 12mm in dia. For cable 12 to 16mm in dia. For cable 6 to 10mm in dia. Compatible only with screw nominal diameters PF and PT. G 1 2 (CTG16) PG9 Description Standard (oil-resistant) model (- to +70 C) Cold- and heat-resistant (-40 to +1 C) Corrosion-resistant (- to +70 C) Without wire mesh cable grip With wire mesh cable grip (not compatible with cable O.D. 10) Compatible only with shape code A. MATERIAL AND APPLICABLE MODELS Component O-ring*1 Nipple*2 Standard(oilresistant) model H (cold- and heat-resistant) M (corrosionresistant) NBR SI NBR Free-cutting brass Seal bushing NBR SI CR Tapered washer Polyamide resin Free-cutting brass Polyamide resin Tightening nut Free-cutting brass Applicable models LS Series (excluding low- and high-temperature use and corrosion-resistant type) LS Series (low- and high-temperature use) LS Series (corrosion-resistant type) *1. O-rings are not provided with NPT thread type. *2. The material of NPT thread and PG screw-type nipples is free-cutting brass on both standard types and cold/heat-resistant types. * NBR: nitrile rubber. CR: chloroprene rubber, SI: silicone rubber. 2

3 POSSIBLE MODEL NO. COMBINATIONS AND EXTERNAL DIMENSIONS PA1-A straight type Compatible cable O.D. nominal size A max. B C max. Dist. betw. opposite flats Nipple Tightening nut PA1-A1PF PA1-A1PT PA1-A1G1 PA1-A1G2 PA1-A1G3 PA1-A2PF PA1-A2PT PA1-A2G2 PA1-A2G3 PA1-A3PF PA1-A3PT PA1-A3G3 PA1-A10PF PA1-A10PT PA1-A10G1 PA1-A10G2 PA1-A10G3 4 to mm in dia. PG9 to 12mm in dia. 12 to 16mm in dia. 6 to 10mm in dia. PG PA1-D 90 elbow type Compatible cable O.D. nominal size A max. B C max. Dist. betw. opposite flats Nipple Tightening nut PA1-D1PF PA1-D1G3 PA1-D2PF PA1-D2G3 PA1-D3PF PA1-D3G3 PA1-D10PF PA1-D10G3 4 to mm in dia. to 12mm in dia. 12 to 16mm in dia. 6 to 10mm in dia

4 PA1-A G straight sealed connector with wire mesh cable grip PA1-A1PF G PA1-A1PT G PA1-A1G1 G PA1-A1G2 G PA1-A1G3 G PA1-A2PF G PA1-A2PT G PA1-A2G2 G PA1-A2G3 G PA1-A3PF G PA1-A3PT G PA1-A3G3 G Compatible cable O.D. 4 to mm in dia. to 12mm in dia. 12 to 16mm in dia. nominal size PG9 A max. B C max. D max E 19 F max Diameter Dist. betw. opposite flats d Nipple Tightening nut PA1-D G 90 elbow sealed connector with wire mesh cable grip PA1-D1PF G PA1-D1G3 G PA1-D2PF G PA1-D2G3 G PA1-D3PF G PA1-D3G3 G Compatible cable O.D. 4 to mm in dia. to 12mm in dia. 12 to 16mm in dia. nominal size A max B C max D max E 19 F max Diameter d Dist. betw. opposite flats Nipple Tightening nut 4

5 PRECAUTIONS FOR USE 1.Example of sealed connector assembly. 2. Follow the procedure below to assemble the PA1-D Series 90 elbow connector (excluding NPT screw type) in the seal nut until it firmly contacts the nipple. in the nipple until it contacts the threads of the limit switch. Unscrew the nipple no m o r e t h a n t o position it in the desired direction. A f t e r d e c i d i n g t h e direction of the nipple, screw in only the seal nut until it is completely locked at the surface of the limit switch, so that t h e n i p p l e i s f i r m l y tightened onto the limit switch body. 5

6 PA1-G SERIES WIRE MESH CABLE GRIP Nut with protective mesh for attachment to PA1 Series sealed connectors. Sealed cable grip can be added to cable lead-out type sealed connector that is already installed. Can be attached to either straight or 90 elbow connectors. Various types for different O.D. cables. ORDER GUIDE PA1-1G PA1-2G PA1-3G Description Compatible cable outer dia. 4 to mm Compatible cable outer dia. to 12mm Compatible cable outer dia. 12 to 16mm MATERIAL Component model No. PA1- G Tightening nut Grip fastener Mesh Free-cutting brass SUS4 EXTERNAL DIMENSIONS Catalog listing PA1-1G PA1-2G PA1-3G Compatible cable O.D. 4 to mm to 12mm 12 to 16mm Compatible connector models PA1-A1 PA1-A2 PA1-A3 PA1-D1 PA1-D2 PA1-D3 A max. B C max Diameter d E ATTACHMENT OF WIRE MESH CABLE GRIP (example) The PA1- G can be added onto the sealed connector (PA1 Series) after the connector is mounted on the limit switch. Attach the cable grip as shown below. Step 1. Loosen the tightening nut of the sealed connector. Step 2. Pull out the cable. Step 3. Remove the tightening nut of the sealed connector from the cable, and pass the cable through a cable grip of the appropriate O.D. instead. Step 4. Run the cable into the switch and wire it to the terminal. Step 5. Fully tighten the nut of the cable grip. 6

7 PA3 SERIES SEALED CONNECTORS Sealed connectors for flexible tubes (conduits) connected to limit switches. May be used with wire mesh grip to protect flexible tubes or conduits. Flexible tube lead-out type sealed connector. Straight and 90 elbow types available. Various conduit sizes and screw nominal diameters available. ORDER GUIDE Straight type PA3-A2PF-1 PA3-A3PF-10 PA3-A4PF-10 PA3-A4PF-2 PA3-A6PF-3 PA3-A6P6-3 Flexible conduit nominal dia nominal size CTG22(G 3 4 ) A (approx.) B C Dist. betw. opposite flats D 29 E 27 F 27 Compatible conduit * flexible tube VF,SR,VH,FBN-02 VF,SR,VH,FBN-03 VF,SR,VH,FBN-04 VF,SR,VH,FBN-04 VF,SR,VH,FBN-06 VF,SR,VH,FBN-06 *Use flexible conduits/tubes made by Nippon Flex Co., Ltd. 7

8 90 elbow type PA3-D2PF-1 PA3-D3PF-10 PA3-D4PF-10 PA3-D4PF-2 PA3-D6PF-3 PA3-D6P6-3 Flexible conduit nominal dia nominal size CTG22(G 3 4 ) A (approx.) to B C (approx.) D Dist. betw. opposite flats E 29 F 27 G 27 Compatible conduit* flexible tube VF,SR,VH,FBN-02 VF,SR,VH,FBN-03 VF,SR,VH,FBN-04 VF,SR,VH,FBN-04 VF,SR,VH,FBN-06 VF,SR,VH,FBN-06 *Use flexible conduits/tubes made by Nippon Flex Co., Ltd.

PA4-N SERIES SEALED CONNECTORS Low-price sealed connectors for cables connected to limit switches. Cable lead-out type sealed connector. Made entirely of plastic. Lightweight and low-price.

9 PA4-N SERIES SEALED CONNECTORS Low-price sealed connectors for cables connected to limit switches. Cable lead-out type sealed connector. Made entirely of plastic. Lightweight and low-price. Straight shapes only. Conduit size G1/2 (CTG16) only. Cable O.D.s of 4 to 12mm covered by 2 types. Designed to prevent overtightening on cables. APPLICATIONS Automated parking facilities Light conveying machines Wood-working machines Printing presses, packing machines and other light industrial machines ORDER GUIDE Appearance Compatible PA4-N2 PA4-N4 Applicablecable O.D.:4 to mm Applicablecable O.D.: to 12mm *All limit switch models (having a conduit size of G1/2) can be combined with a sealed connector, except explosion-proof switches. MATERIAL AND COMPATIBLE SWITCHES Component PA4-N Compatible switch O-ring Nipple Outer seal Inner seal Tapered washer Cap nut NBR Nylon 66 NBR NBR Nylon 66 Nylon 66 LS Series (excluding low-/high-temperature use and corrosion-resistant type) *1. NBR: nitrile rubber. *2. Compatible models are all models with a conduit size of G1/2, excluding explosion-proof switches. COMPONENTS 9

10 EXTERNAL DIMENSIONS APPLICABLE CABLE O.D. Applicable cable O.D. Catalog listing PA4-N2 PA4-N4 When inner seal used, diameter d 4.0 to 6.0mm dia..0 to 10.0mm dia. When no inner seal used, diameter d1 6.0 to.0mm dia to 12.0mm dia. *Applicable cable O.D.s d and d1 correspond to d and d1 in the figures under Precautions for Use. PRECAUTIONS FOR USE 1. If the cable O.D. is diameter d, use the cable with the inner seal attached. PA4-N2 PA4-N4 Diameter d dimensions (mm) Applicable cable O.D. 4.0 to 6.0mm dia..0 to 10.0mm dia. 2. If the cable O.D. is diameter d1, use the cable with the inner seal removed. PA4-N2 PA4-N4 Diameter d1 dimensions (mm) Applicable cable O.D. 6.0 to.0mm dia to 12.0mm dia. d1 dia. d dia. 3. Tighten the connector (all models) until the surface of the cap nut contacts the hexagonal side of the nipple. 4. Assembly of the sealed connector. 10

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