Two-circuitLimitSwitch WL WideSelectionofTwo-circuitLimit Switches Awideselectionofmodelsareavailable,including the overtravel models with greater OT, lamp- equipped models for checking operation, low-tem- peratureandheat-resistantmodels,andmicroload models. Microloadmodels areaddedtothe productlineup. Meets EN/IEC standards (only Switches with ground terminals). Switches with ground terminals have the CE marking. uCE ApprovedStandards Agency Standard FileNo. UL UL508 E76675 CSA CSA C22.2 No. 14 LR45746 TV Rheinland EN60947-5-1 R9551016 Note: Contact your OMRON representative for more information on approved models. Ordering Information Classification Specifications Standard Overtravel High- Features Page precision Actua- 11 to Roller lever Yes Yes Yes Five models: Roller lever, adjustable roll- tors er lever, adjustable rod lever, fork lever 25 lock, rod spring lever. Plunger Yes --- --- Six models: Top plunger, top-roller plung- er, top-ball plunger, horizontal plunger, horizontal-roller plunger, horizontal-ball plunger. Flexible rod Yes --- --- Two models: coil spring and steel wire. Load/ Standard load SPST-NO/ Yes Standard models use a two-circuit contact SPST-NC double-break switch. type Microload SPST-NO/ Yes Specifications include gold-plated con- SPST-NC tacts. type 1WL WL Specifications Standard Overtravel High- Features Page precision Envi- Airtight-seal WLj-55 Yes ((Cannot be used with heat-resis- Uses an airtight-sealed built-in switch. 29 ron- tiive andd llow-temperature modeld ls.)) Her- Molded WLj-139 Lead wires are attached. ment- metic termi- The case cover and conduit section are resist- seal nals moldedfrom epoxy resintoimproveseal- ant ing performance. mmooddeellss WLj-140 Lead wires are attached. (See The case is filled with epoxy resin, to en- note 3.) WLj-141 sure high sealing performance. The Head opening is protected from cut- ting powder. (WLj-141) Only WLG2, WLCA2, and WLGCA2 can be fabricated. (WLj-141 models.) Anti- WLj-RP60 Lead wires are attached. coolant The case is filled with epoxy resin, to en- sure high sealing performance. To im- prove the anti-coolant properties (water- soluble coolant), rubber with high chemi- cal-resistance has been used. Spatter-preven- Yes To improve spatter prevention during 26 to WLj-S tion welding, a heat-resistant resin is used, 29 and screws and rollers are all made from stainless steel. Heat-resistive WLj-TH Yes (Cannot be used with airtight, her- To improve heat resistance, silicone rub- 29 metic, low-temperature, corrosion- ber is used for rubber parts and for the proof, or lamp-equipped models.) built-in switch. The operating temperaturerange is +5 C to 120 C. Low-temperature WLj-TC Yes (Cannot be used with airtight, her- To improve low temperature resistance, metic, heat-resistive, corrosion-proof, silicone rubber is used. or lamp-equipped models.) The operating temperature range is --40 Cto40 C. Corrosion-proof WLj-RP Yes (Cannot be used with lamp- Diecast parts such as the switch box are (See note 4.) equipped models.) made of corrosion-proof aluminum. Rub- ber-sealing parts are made of fluorine rubber and exposed nuts and screws are made of stainless steel. These all aid in resisting oil, chemicals and adverse weather conditions. Outdoor specifi- --- Yes --- Rotary shafts are made of unquenched WLj-P1 cations (See note (See note (i.e., untreated)stainless steel toimprove 5.) 6.) corrosion resistance. Exposed nuts and screws are made of stainless steel and rubber sealing parts of silicone rubber. These factors all combine to create a product which is resistant to temperature changes and adverse weather condi- tions. Lamp-equipped WLj-LE Yes Operating status can be checked at a 31 glance. Lit when operating and not lit when not ooperaperattiing.ng WLj-LD Yes WLj-LE: 100 VAC/VDC min. WLj-LD: 115 VAC/VDC min. (Refer to page 27 for detailed ratings.) Relevant pages Pages 11 to 31 --- --- Note: 1. Do not expose to extreme changes in temperature. 2. Standard Models: Operate on each side at an angle of 45 . Possible to set to one-side operation on either side. Pretravel (PT) is 15 . Overtravel Models: Standard and high-sensitivity models operate on each side at an angle of 80 . Not possible to set to one-side operation. -2N Series operate on each side at an angle of 90 . Possible to set to one-side operation on either side. High-precision Models:Operate on each side at an angle of 45 . Possible to set to one-side operation on either side. Pretravel (PT) is 5 . 3. Whenordering,addthesuffixfortheenvironment-resistantmodelorindicatorspecificationsrequiredaccordingtotheoperating environment and purpose. 2