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| Environmentally Sealed Toggles Series WT Distinctive Characteristics Sealing at front and back panel meets IP67 and IP60 of IEC60529 Standards. (Contact factory for further details regarding operating environment.) Single unit construction of bushing and case gives added protection from environmental elements. Antijamming design protects contacts from damage due to excessive downward force on the toggle. Specially designed contact mechanism for breaking light contact welds. Minimal contact bounce achieved with designed interlocked switching mechanism. Heat resistant resin used for outer housing meets UL94V-0 flammability standard and provides high arc and tracking resistance. Actual Size Epoxy sealed base covered by outer case doubles protection from dust and water (not operable under water or oil). NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 02-08 Environmentally Sealed Toggles Series WT General Specifications Electrical Capacity (Resistive Load) Power Level: 10A @ 125V AC or 6A @ 250V AC or 10A @ 30V DC Other Ratings Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Angle of Throw: 10 milliohms maximum for solder lug & screw terminal models; 30 milliohms maximum for wire lead terminal models 200 megohms minimum @ 500V DC 1,500V AC minimum for 1 minute minimum 50,000 operations minimum for On-None-Off, On-None-On, & On-Off-On models 30,000 operations minimum for all other models 15,000 operations minimum 24 Materials & Finishes Toggle: Bushing & Outer Case: Inner Case: Inner Sealing Ring: Outer Sealing Ring: Movable Contactor: Movable Contacts: Stationary Contacts: Terminals: Wire Lead Covers: Brass with chrome plating Fiberglass reinforced polyamide (UL94V-0) Melamine Nitrile butadiene rubber for On-None-Off, On-None-On, & On-Off-On models; silicone rubber for all other models Natural rubber Copper with silver plating Silver alloy plus copper with silver plating Silver alloy plus copper with silver plating Copper with tin plating for solder lug & wire lead; brass with silver plating for screw lug Heat resistant polyvinyl chloride (Leads are AWG 16) Environmental Data Operating Temp Range: Humidity: Vibration: Shock: Front Panel Seal: Behind Panel Seal: -30C through +70C (-22F through +158F) 90 ~ 95% humidity for 96 hours @ 40C (104F) 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning in 1 minute; 3 right angled directions for 2 hours 50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) IP67 of IEC60529, dust tight & water protected during temporary immersion for all models; optional toggle boot AT401 for additional protection (details at end of WT section) IP60 of IEC60529, dust tight but not water protected for solder lug & screw terminal models IP67 of IEC60529, dust tight & water protected during temporary immersion for wire lead models Installation Soldering Time & Temp: Mounting Torque: Manual Soldering: See Profile A in Supplement section. 1.47Nm (13 lb*in) Standards & Certifications Flammability Standards: Wiring Material Standards: UL94V-0 outer case UL AWM 1015 Recognized at Flammability VW-1; Temperature Range -20C ~ +105C; Maximum Load 600V; AWG 16. CSA TEW 105 Certified at Temperature Range -20C ~ +105C; Maximum Load 600V NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 02-08 Environmentally Sealed Toggles TYPICAL SWITCH ORDERING EXAMPLE Series WT S TERMINALS WT POLES 1 2 SPST SPDT DPST DPDT 1 2 3 5 8 9 ( 2 CIRCUITS ON ON ON ON (ON) ON NONE NONE OFF NONE OFF OFF OFF ON ON (ON) (ON) (ON) 2 S T L Solder Lug Screw Lug Wire Lead ) = Momentary DESCRIPTION FOR TYPICAL ORDERING EXAMPLE WT22S DPDT ON-NONE-ON Circuit Solder Lug Terminals POLES & CIRCUITS ( Down Flat Toggle Position ) = Momentary Center Up Flat Connected Terminals Down Center Up Note: Throw & Schematics Terminal numbers are not actually on wire lead models. 1a (COM) 1b Pole SP Model WT11 WT12 WT13 WT15 WT18 WT19 WT21 WT22 WT23 WT25 WT28 WT29 ON ON ON ON (ON) ON ON ON ON ON (ON) ON NONE NONE OFF NONE OFF OFF NONE NONE OFF NONE OFF OFF OFF ON ON (ON) (ON) (ON) OFF ON ON (ON) (ON) (ON) 1a-1b OPEN OPEN SPST SP 1-1b OPEN 1-1a SPDT 1a 1 (COM) 1b DP 1a-1b 2a-2b OPEN OPEN DPST 1a (COM) 1b 2a 2b DP 1-1b 2-2b OPEN 1-1a 2-2a DPDT 1a 1 (COM) 1b 2a 2 2b NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 02-08 Environmentally Sealed Toggles TYPICAL SWITCH DIMENSIONS Single Throw * Solder Lug Series WT Flatted (2.4) Dia Typ .094 2b 1b (0.8) Typ .031 24 (11.2) Typ .441 (5.7) Dia .224 M12 P1 (1.0) .039 (17.5) .689 (9.6) .378 (27.1) 1.067 (4.8) .189 1b 1 1a (28.8) 1.134 2 1 (28.8) 1.134 2a 1a (4.8) .189 (19.4) .764 (19.4) .764 (4.8) .189 Single Pole Double Pole WT11S Double Throw * Solder Lug Flatted (0.8) Typ .031 2b 1b (2.4) Dia Typ .094 24 (11.2) Typ .441 (5.7) Dia .224 M12 P1 (1.0) .039 (17.5) .689 (9.6) .378 (27.1) 1.067 (4.8) .189 1b 1 1a (28.8) 1.134 2 1 (28.8) 1.134 2a 1a (4.8) .189 (19.4) .764 (19.4) .764 (4.8) .189 Single Pole Double Pole WT22S Single Throw * Screw Lug M3.5 x 5 Flatted 2b 1b 1b 24 1 1a (28.8) 1.134 2 1 (28.8) 1.134 (5.7) Dia .224 M12 P1 (17.5) .689 (9.6) .378 (1.0) .039 (30.6) 1.205 (1.0) .039 (8.3) .327 (6.6) .260 (19.4) .764 2a 1a (6.6) .260 (19.4) .764 Single Pole Double Pole WT21T NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 02-08 Environmentally Sealed Toggles TYPICAL SWITCH DIMENSIONS Double Throw * Screw Lug Series WT M3.5 x 5 Flatted 2b 1b 1b 24 (6.6) .260 1 1a (28.8) 1.134 2 1 (28.8) 1.134 2a 1a (5.7) Dia .224 M12 P1 (1.0) .039 (17.5) .689 (9.6) .378 (30.6) 1.205 (8.3) .327 (1.0) .039 (19.4) .764 (19.4) .764 Single Pole WT22T Double Pole Single & Double Pole * Wire Lead Flatted 1b 1b 2b 24 1 (30.2) 1.189 1 2 (30.2) 1.189 1a 1a 2a (5.7) Dia .224 M12 P1 (17.5) .689 (9.6) .378 (1.0) .039 (32.1) 1.264 (10.0) .394 (200.0) + (20.0) 7.874 (20.8) .819 (20.8) .819 Single Pole Double Pole WT22L STANDARD WIRE COLOR SCHEME Terminal Numbers & Wire Colors Wire leads are covered with heat resistant vinyl in accordance to UL 1015 and CSA TEW 105 Standards for Appliance Wiring Material (AWM). 1a WT11 WT12-19 WT21 WT22-29 Black White Black White 1 Black Black 1b White Red White Red 2a 2 2b Blue Yellow Blue Yellow Green NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 02-08 Environmentally Sealed Toggles PANEL CUTOUT & THICKNESS (11.2) .441 (12.5) Dia .492 Series WT Maximum Effective Panel Thickness with Standard Hardware: .157" (4.0mm) Maximum Effective Panel Thickness with optional Boot Assemblies: .063" (1.6mm) STANDARD HARDWARE AT503M Hex Face Nut Material: Brass with Chrome Plating 1 supplied with each switch M12 P1 AT508 Internal Tooth Lockwasher Material: Steel with Zinc/Chromate 1 supplied with each switch (12.1) .476 AT401P O-ring Material: Natural Rubber 1 supplied with each switch (14.3) .563 (15.8) Dia .622 (12.1) Dia .476 (17.5) Dia .689 (13.8) Dia .543 (16.0) .630 (2.4) .094 (1.0) .039 (0.5) .020 (1.5) .059 OPTIONAL ACCESSORIES Boot Assemblies for High Particulate Contamination Applications AT401A for Oil Resistance Boot Material: Black nitrile butadiene rubber Hex Nut Material & Finish: Nickel plated brass O-ring Material: Natural rubber (17.5) Dia .689 (17.0) Dia .669 (16.0) Dia .630 (10.0) .394 (10.0) (11.7) .394 (13.2) .461 .520 (3.5) ~ (5.5) .138 .217 (1.6) Max .063 Boot Hex Nut O-ring Panel O-ring (12.1) Dia .476 (17.5) Dia .689 (11.7) .461 (17.0) .669 (1.5) .059 AT401H for Dust & Ozone Resistance Boot Material: Gray ethylene propylene rubber Hex Nut Material & Finish: Nickel plated brass O-ring Material: Natural rubber (16.0) Dia .630 AT401S for Retention of Flexibility, Resilience & Tensile Strength Over Wide Temperature Range Boot Material: Black silicone rubber Hex Nut Material & Finish: Nickel plated brass O-ring Material: Natural rubber Boot M12 P1 Hex Nut O-ring AT4181 Splashproof Boot Assembly Boot Material: Black Silicon rubber Nut Material & Finish: Nickel plated brass O-ring Material: Natural rubber (24.3) .957 (14.8) .583 (18.6) .732 (8.0) Dia .315 (13.8) Dia .543 (21.5) Dia .846 Boot O-ring Panel (1.0) .039 (1.6) .063 O-ring (24.3) .957 (18.6) .732 (14.8) .583 (8.0) Dia .315 M12 P1 Boot & Nut (21.5) Dia .846 (1.0) .039 Note: When using boot assemblies AT401A/H/S or AT4181, also use o-ring AT401P from the standard hardware supplied. Hex face nut AT503M and lockwasher AT508 are not used with these boot assemblies. O-ring (12.1) Dia .476 (17.5) Dia .689 NKK Switches * email: sales@nkkswitches.com * Phone (480) 991-0942 * Fax (480) 998-1435 * www.nkkswitches.com 02-08 |
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