Omron WL - Page 1 Datasheet Download

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Two-circuit Limit Switch

F-57

Lim

Switch

Two-circuit Limit Switch

Wide Selection of Two-circuit Limit Switches

• A wide selection of models are available, including the overtrav-

el models with greater OT, lamp-equipped models for checking
operation, low-temperature and heat-resistant models, and mi-
croload models.

• Microload models are added to the product lineup.

• Meets EN/IEC standards (only Switches with ground terminals).

• Switches with ground terminals have the CE marking.

Model Number Structure

■

Model Number Legend

General-purpose Models/Environment-resistant Models

1. Electrical Rating

Blank:

Standard

01:

Micro

2. Actuator and Head Specifications

Symbol

Actuator type

Switches without levers

CA2

Roller lever: Standard model (R38)

WLRCA2

CA2-7

Roller lever: Standard, standard model (R50)

WLRCA2

CA2-8

Roller lever: Standard, standard model (R63)

WLRCA2

Roller lever: Overtravel, general-purpose model, 80

WLRH2

Roller lever: Overtravel, high-sensitivity, 80

WLRG2

CA2-2N

Roller lever: Overtravel, 90

WLRCA2-2N

GCA2

Roller lever: High-precision

WLRGCA2

CA12

Adjustable roller lever: Standard

WLRCA2

H12

Adjustable roller lever: Overtravel, general-purpose model, 80

WLRH2

G12

Adjustable roller lever: Overtravel, high-sensitivity, 80

WLRG2

CA12-2N

Adjustable roller lever: Overtravel, 90

WLRCA2-2N

Adjustable rod lever: Standard

WLRCL

Adjustable rod lever: Overtravel, general-purpose model, 80

, 25 to 140 mm

WLRH2

HLAL4

Adjustable rod lever: Overtravel, general-purpose model, 80

, 350 to 380 mm

WLRH2

Adjustable rod lever: Overtravel, high-sensitivity, 80

, 25 to 140 mm

WLRG2

CL-2N

Adjustable rod lever: Overtravel, 90

, 25 to 140 mm

WLRCA2-2N

HAL5

Rod spring lever: Protective, Overtravel, general-purpose model, 80

WLRH2

CA32-41

Fork lever lock: Protective, WL-5A100

WLRCA32

CA32-42

Fork lever lock: Protective, WL-5A102

WLRCA32

CA32-43

Fork lever lock: Protective, WL-5A104

WLRCA32

Plunger: Top plunger

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Plunger: Top-roller plunger

---

D28

Plunger: Sealed top-roller plunger

---

Plunger: Top-ball plunger

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Plunger: Horizontal plunger

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1 2 3 4 5 6 7 8 9 10

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Summary of Contents for WL -

Page 1: ...oller lever Overtravel high sensitivity 80 WLRG2 CA2 2N Roller lever Overtravel 90 WLRCA2 2N GCA2 Roller lever High precision WLRGCA2 CA12 Adjustable roller lever Standard WLRCA2 H12 Adjustable roller lever Overtravel general purpose model 80 WLRH2 G12 Adjustable roller lever Overtravel high sensitivity 80 WLRG2 CA12 2N Adjustable roller lever Overtravel 90 WLRCA2 2N CL Adjustable rod lever Standa...

Page 2: ...tch with cables attached and molded conduit opening cover and case cover cover cannot be removed Head can be mounted in any of 4 directions The Head opening is created to protect it from cutting powder See note 1 RP40 Airtight built in switch with cables attached SC Connector can be used molded conduit opening cover and case cover cover cannot be removed Head direction can be changed See note 1 RP...

Page 3: ...2 core DC NO wiring connector pins No 3 4 K43A Direct wired Connector 4 core AC K43 Direct wired Connector 4 core DC M1J Pre wired Connector See note 2 2 core DC NO wiring connector pins No 3 4 M1GJ Pre wired Connector See note 2 See note 1 2 core DC NO wiring connector pins No 1 4 M1JB Pre wired Connector See note 2 See note 1 2 core DC NC wiring connector pins No 3 2 AGJ03 Pre wired Connector Se...

Page 4: ...er horizontal plunger horizon tal roller plunger horizontal ball plunger Flexible rod Yes Two models coil spring and steel wire Load contact Standard load SPST NO SPST NC type Yes Standard models use a two circuit double break switch Microload SPST NO SPST NC type Yes Specifications include gold plated contacts Environ ment re sistant models See note 3 Airtight seal WL 55 Yes Cannot be used with h...

Page 5: ...t hermet ic low temperature corrosion proof or lamp equipped models To improve heat resistance silicone rubber is used for rubber parts and for the built in switch The operating temperature range is 5 C to 120 C 66 Low temperature WL TC Yes Cannot be used with airtight hermet ic heat resistive corrosion proof or lamp equipped models To improve low temperature resistance sili cone rubber is used Th...

Page 6: ...change in direction of the oper ating plunger Those models for which one side operation is impossible can only operate on both sides For details see page 94 Type Total travel TT Features Actuator See note 2 Standard One side operation is possi ble See note 3 Head can be mounted in any of the four directions WLCA2 WLCA2 7 WLCA2 8 Over travel General One side operation is impos sible See note 3 Head...

Page 7: ...is configured so that the dog pushes the lever to reverse the output and this reversed state is maintained even after the dog continues on If the dog then pushes the lever from the opposite direction the lever will return to its original position Type Total Travel TT Features Actuator See note 2 Standard One side operation possible See note 3 Head can be mounted in any of the four directions WLCA1...

Page 8: ...olded terminal models insert the specifications number at the end of the standard model number E g When a Neon Lamp WL LE is installed in a general purpose molded terminal model WLCA2 139 WLCA2 139 LE 2 Standard Lamp Lamp 2 NC connection Light ON when operating specifications wiring 3 NO connection Light ON when not operating Note The indicator cover cannot be replaced on the molded terminals In a...

Page 9: ...ention models are only available as pre wired connectors Direct wired Connectors Note 1 In the model number indicates the actuator number For example Overtravel Model WLG2 LDK13 2 The lamp is set to light ON when not operating NO con nection Pre wired Connectors Note 1 In the model number indicates the actuator number For example Overtravel Model WLG2 LD M1J 2 The lamp is set to light ON when not ...

Page 10: ...ssi ble to use flexible wires in the cable WL RP60 Rubber parts are made from fluorine rubber WL TC Low temperature Can be used at a tem perature of 40 C The operating temperature range is 40 C to 40 C but cannot withstand icing Uses the general purpose built in switch Silicone rubber is used for rubber parts such as the O ring gasket etc All models except air tight hermetic heat resistive corrosi...

Page 11: ...LED 125 VAC 250 VAC 10 to 115 VAC DC Approx 0 6 mA Approx 1 9 mA Approx 0 5 mA Standard WLCA2 LEAS WLCA2 LDAS WLCA2 LES WLCA2 LDS Overtravel General Double nut lever WLH2 LEAS WLH2 LDAS Allen head lever WLH2 LES WLH2 LDS High sen sitivity Double nut lever WLG2 LEAS WLG2 LDAS Allen head lever WLG2 LES WLG2 LDS High precision WLGCA2 LEAS WLGCA2 LDAS WLGCA2 LES WLGCA2 LDS One side operation is possib...

Page 12: ...00 1 See note WLRGCA2 WLG2 WL 2H1100 WLRG2 WLH2 WL 2H1100 1 See note WLRH2 WLCA2 2N WL 6H1100 WLRCA2 2N WLCA12 WL 1H2100 WLRCA2 WLG12 WL 2H2100 WLRG2 WLH12 WL 2H2100 1 See note WLRH2 WLCA12 2N WL 6H2100 WLRCA2 2N WLCL WL 4H4100 WLRCL WLGL WL 2H4100 WLRG2 WLCL 2N WL 6H4100 WLRCA2 2N WLD WL 7H100 WLD2 WL 7H200 WLD3 WL 7H300 WLD28 WL 7H400 WLSD WL 8H100 WLSD2 WL 8H200 WLSD3 WL 8H300 WLCA32 41 WL 5H51...

Page 13: ... R9551016 Rated voltage Carry current Current Volt amperes Make Break Make Break 120 VAC 10 A 60 A 6 A 7 200 VA 720 VA 240 VAC 30 A 3 A 480 VAC 15 A 1 5 A 600 VAC 12 A 1 2 A Model Category rating Thermal current Indicator WL AC 15 2 A 250 V DC12 2 A 48 V 10 A WL01 AC 14 0 1 A 125 V DC12 0 1 A 48 V 0 5 A WL LE AC 15 2 A 250 V 10 A Neon lamp WL01 LE AC 14 0 1 A 125 V 0 5 A Neon lamp WL LD AC 15 2 A ...

Page 14: ...uipped Models Type Rated voltage Non inductive load Inductive load Resistive load Lamp load Inductive load Motor load NC NO NC NO NC NO NC NO Standard overtravel except high sensi tivity models and high precision models 125 VAC 10 A 3 A 1 5 A 10 A 5 A 2 5 A 250 VAC 10 A 2 A 1 A 10 A 3 A 1 5 A 500 VAC 10 A 1 5 A 0 8 A 3 A 1 5 A 0 8 A 8 VDC 10 A 6 A 3 A 10 A 6 A 14 VDC 10 A 6 A 3 A 10 A 6 A 30 VDC 6...

Page 15: ...ge Non inductive load Inductive load Resistive load Lamp load Inductive load Motor load NC NO NC NO NC NO NC NO For DC 12 VDC 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A 24 VDC 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A 48 VDC 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A 115 VDC 0 8 A 0 8 A 0 2 A 0 2 A 0 8 A 0 8 A 0 2 A 0 2 A For AC 115 VAC 1 A 1 A 1 A 1 A 1 A 1 A 1 A 1 A Model Rated current Non inductive load Inductive load Resisti...

Page 16: ...l 750 000 operations min See note 5 Operating speed 1 mm to 1 m s for WLCA2 Operating frequency Mechanical 120 operations minute min Electrical 30 operations minute min Rated frequency 50 60 Hz Insulation resistance 100 MΩ min at 500 VDC Contact resistance 25 mΩ max initial value Dielectric strength 1 000 VAC 600 VAC 50 60 Hz for 1 min between non continuous terminals 2 200 VAC 50 60 Hz for 1 min ...

Page 17: ...the Limit Switch contacts NC release or when the actuator rotates or is pushed down 2 Light ON when not operating means the lamp remains lit when the actuator is free or when the Limit Switch contacts NO close when the actuator rotates or is pushed down White Blue Black Red Light ON when operating See note 1 Light ON when not operating See note 2 Power supply Built in switch Load Internal circuit ...

Page 18: ...nnec tor Built in switch Connec tor Built in switch Connec tor Built in switch Connec tor Built in switch Connec tor Built in switch Connec tor 1 NC 1 NC 1 1 NC 1 NC 1 NC 3 1 NC 1 1 NC 2 NC 2 NC 2 2 NC 2 NC 2 NC 2 2 NC 2 2 NC 2 3 NO 3 3 NO 3 3 NO 3 3 NO 1 3 NO 3 NO 3 3 NO 3 4 NO 4 4 NO 4 4 NO 4 4 NO 4 4 NO 4 NO 4 4 NO 4 Neon lamp WL LE WL LD Rectifier stack Resistance Contact spring Resist ance Co...

Page 19: ...n Seal Conduit Opening See note 1 Head Proper range Proper range Bearing The bearing smooths the plunger movement Built in Switch Lever Roller Lever Setscrew Operational Plunger See note 2 Cover Seal Terminal Screws M4 screws Cover Insulator Cover Setscrew A Phillips screw is used to ensure ease of use After operation set the indicator needle on the marker plate so that is in the convex section of...

Page 20: ...ans the Zn powder pro duced when welding Adhering spatter to the Limit Switch may cause malfunction of lever or lamp cover Roller Roller Axis Operating Lever Lamp Cover SUS304 is used for double nut Head Cap Using Teflon prevents spatter from adhering Double Nut Lever Screws Using stainless steel prevents spatter from adhering Melamine sinter painted it is easy to peel off the spatter Heat resista...

Page 21: ...inless steel roller Roller Lever Adjustable Roller Lever Note Stainless sintered roller Note Stainless sintered roller 17 5 dia 7 see note Four M3 5 17 5 dia 15 see note Four M3 5 67 2 max 42 max 60 max 42 max Four M3 5 17 5 dia 7 see note 17 5 dia 7 see note Four M3 5 67 max 42 max 60 max 42 max WLCA2 WL01CA2 WLCA2 7 WL01CA2 7 M5 length 12 Allen head bolt o Four 5 2 0 2 dia holes JIS B0202 G1 2 E...

Page 22: ...0 see note M8 12 Allen head set screw M5 12 Allen head bolt 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thread 4 threads min Four M6 Depth 15 min Two 17 5 dia length 7 see note M5 16 Allen head bolt 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thread 4 threads min Four M6 Depth 15 min Note Plastic roller This illustration shows the external dimen sions of the WLCA32 41 Models WLCA32 041...

Page 23: ... Note Stainless sintered roller Four M3 5 17 dia length 5 see note WLD2 WL01D2 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thread 4 threads min OP Four M6 Depth 15 min Top ball Plunger Note Stainless steel ball Four M3 5 15 5 dia 1 2 dia see note 42 max WLD3 WL01D3 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thread 4 threads min Four M6 Depth 15 min Sealed Top roller Plunger Note Stain...

Page 24: ...l travel position TTP max 29 5 mm 39 5 mm 41 mm 39 5 mm OP Horizontal Plunger Note 1 Stainless steel plunger 2 Cosmetic nuts Four M6 Depth 15 min Four M3 5 1R see note 1 42 max WLSD WL01SD 25 dia see note 2 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thread 4 threads min Horizontal roller Plunger Four M3 5 42 max WLSD2 WL01SD2 17 dia length 5 see note 1 0 Four 5 2 0 2 dia holes Three M4 leng...

Page 25: ...spring Note 1 The coil spring may be operated from any direc tion except the axial direction 3 Optimum operating range of the coil spring is within 1 3 of the entire length from the top end 0 Four 5 2 0 2 dia holes Three M4 length 13 JIS B0202 G1 2 Effective thread 4 threads min Four M6 Depth 15 min 2 Piano wire coil Note 1 The coil spring may be operated from any direction except the axial direct...

Page 26: ...four directions The lever operates on either side at 80 One side operation is impossible The Head can be mounted in two directions forward and backward The lever operates on either side at 90 One side operation is possible Roller Lever Adjustable Rod Lever 17 5 dia length 7 see note 1 Four M3 5 60 max 42 max Four M3 5 42 max 55 max WLH2 WL01H2 WLG2 WL01G2 WLHL WL01HL WLGL WL01GL M5 length 12 Allen...

Page 27: ...se force RF min 0 98 N 0 98 N 0 25 N 0 25 N 0 98 N 0 98 N Pretravel PT 15 5 15 5 15 5 Overtravel OT min 55 65 55 65 55 65 Movement differential MD max 12 7 12 7 12 7 Operating characteristics WLH12 WL01H12 WLG12 WL01G12 OF 4 18 N 4 18 N RF 0 42 N 0 42 N Adjustable Roller Lever 42 max 67 max Four M3 5 17 5 dia length 7 WLH12 WL01H12 WLG12 WL01G12 Adjustable range 25 to 89 M5 length 12 Allen head bo...

Page 28: ...8 N 0 90 N Release force RF min 0 15 N 0 09 N Pretravel PT 15 5 15 5 Overtravel OT min 55 55 Movement differential MD max 12 12 Adjustable Rod Lever Rod Spring Lever Note Stainless steel rod Note Piano wire 42 max 3 2 dia see note 2 3 dia see note 42 max WLHAL4 WL01HAL4 WLHAL5 WL01HAL5 Adjustable range 350 to 380 M5 length 16 Allen head bolt 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thread...

Page 29: ...See note 2 Operating force OF max 9 61 N 9 61 N 2 84 N Release force RF min 1 18 N 1 18 N 0 25 N Pretravel PT max 20 20 20 Overtravel OT min 70 70 70 Movement differential MD max 10 10 10 Operating characteristics WLCA12 2N WL01CA12 2N OF 4 10 N RF 0 50 N Adjustable Rod Lever Note Stainless steel rod 42 max 55 max Four M3 Two 5 2 0 2 dia 0 WLCL 2N WL01CL 2N Adjustable range 25 to 140 3 0 2 dia len...

Page 30: ...42 max Note Stainless steel roller 17 5 dia length 7 Stainless steel roller M5 length 12 Allen head bolt 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thread 4 threads min Four M6 Depth 15 min 38R Three M4 length 13 OF max 13 34 N RF min 2 23 N PT 15 5 OT min 30 MD max 12 Direct wired Connector Models Note Stainless sintered roller Pre wired Connector Models Four M3 5 42 max 60 max 60 max Four...

Page 31: ...erential MD max 12 3 12 7 0 5 2 1 10 2 Operating characteristics Top roller plunger actuator Operating force OF max 26 67 N Release force RF min 8 92 N Pretravel PT max 1 7 mm Overtravel OT min 5 6 mm Movement differential MD max 1 mm Operating position OP 44 0 8 mm Total travel position TTP max 39 5 mm 42 max Direct wired Connector Models Note Stainless sintered roller Pre wired Connector Models ...

Page 32: ...T min 5 6 mm Movement differential MD max 1 mm Operating position OP 44 0 8 mm Total travel position TTP max 39 5 mm Direct wired Connector Models Note Stainless sintered alloy roller Pre wired Connector Models 42 max SC 1M XS2H D421 42 max Four M3 5 length 10 Three M4 length 13 Four M3 5 length 10 Three M4 length 13 11 2 dia length 5 see note 0 Four 5 2 0 2 dia holes JIS B0202 G1 2 Effective thre...

Page 33: ...screws Two M5 Allen head nut and arm set screw JIS B0202 G1 2 Effective thread 4 threads min Four M6 Depth 15 min 38R Operating characteristics Standard Overtravel models High precision General High sensitivity Operating force OF max 13 34 N 9 81 N 9 81 N 13 34 N Release force RF min 2 23 N 0 98 N 0 98 N 1 47 N Pretravel PT 15 5 15 5 Overtravel OT min 30 55 65 40 Movement differential MD max 12 12...

Page 34: ...Effective thread 4 threads min Four M6 Depth 15 min OP Operating characteristics WLD28 L S Operating force OF max 16 67 N Release force RF min 4 41 N Pretravel PT max 1 7 mm Overtravel OT min 5 6 mm Movement differential MD max 1 mm Operating position OP 44 0 8 mm Total travel position TTP max 39 5 mm OP PT 13 1 12 9 68 7 21 6 29 2 1 2 35 58 7 0 2 25 5 15 1 30 2 0 2 40 0 7 4 9 300 100 50 Four 5 2 ...

Page 35: ...300 Lever Length 63 17 5 dia length 7 stainless sintered alloy roller 7 3 dia mounting holes M5 Allen head bolt 17 5 dia length 7 resin roller 7 3 dia mounting holes M5 Allen head bolt 17 dia length 6 bearing roller 7 3 dia mounting holes M5 Allen head bolt 17 5 dia length 30 Nylon roller 7 3 dia mounting holes M5 Allen head bolt 17 5 dia length 7 stainless sintered alloy roller 7 3 dia mounting h...

Page 36: ...g holes M5 Allen head bolt 17 5 dia length 7 stainless sintered alloy roller Adjustable lever stainless steel Adjustable range 25 to 140 7 3 dia mounting holes M5 Allen head bolt 17 5 dia length 7 stainless sintered alloy roller Adjustable lever stainless steel Adjustable range 25 to 89 7 3 dia mounting holes M5 Allen head bolt WL 2A130 0 Three 5 3 0 2 dia holes 17 5 dia length 7 stainless steel r...

Page 37: ... 3 2 dia stainless steel rod 7 3 dia mounting holes M5 Allen head bolt Adjust able from 350 to 380 3 2 dia stainless steel rod 7 3 dia mounting holes Two M5 Allen head nut and arm set screw 38R 38R 417 5 2 WL 3A108 WL 3A200 WL 3A203 WL 4A112 Cap 12 5 dia max Adhesive 24 6 max 25 5 max 24 6 max WL 2A129 8 dia Marking Adjust able from 630 to 660 3 2 dia stainless steel rod 7 3 dia mounting holes M5 ...

Page 38: ...ernal opera tions at the same time The operational plunger does not need to be changed on overtravel general purpose and high sensitivity models The roller plunger can be set in either two positions at 90 WLCA2 2N and WL01CA2 2N can only be set in either the forward or backward direction Roller Levers WLCA WL01CA WLGCA Adjustable Rod Levers WLCL WL01CL Horizontal Plungers WLSD WL01SD Roller Plunge...

Page 39: ... Installing the roller on the inside By installing the roller lever in the oppo site direction the roller can be installed on the inside Set so that operation can be completed within a 180 level range Roller Levers WLCA WL01CA except for the adjustable roller levers Fork Lever Locks WLCA32 4 WL01CA32 4 Item Appropriate model actuator Details Operating Not operating Clockwise operation Not operatin...

Page 40: ...position Fork Lever Locks WLCA32 4 WL01CA32 4 Note An explanation of the operation of fork lever locks is pro vided after this table Adjusting the length of the rod or le ver The length of the rod or lever can be ad justed by loosening the Allen head bolt Adjustable Roller Levers WLCA12 WL01CA12 etc Adjustable Rod Levers WLCL WL01CL etc Item Appropriate model actuator Details WLCA32 41 WLCA32 42 W...

Page 41: ...onmental Precautions When the Switch is used in locations subject to splashes of water or oil the material of the seal which ensures the sealing properties of the Switch may undergo changes in shape and quality This is due to deterioration including expansion and contraction and may result in reduced performance ineffective return and ineffective sealing leading to ineffective contact insulation l...

Page 42: ...r operation set the indicator needle on the marker plate so that is in the convex section of the bearing Terminal Plate By using a short circuit plate as shown in the following diagram the Switch can be fabricated into a single polarity double break model When ordering specify WL Terminal Plate product code WL 9662F D dia dz dia Ground terminal NO terminal NC terminal t 0 6 Copper plate In the int...

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