Miniature Pushbuttons Series KB Distinctive Characteristics Square, rectangular, and round shaped caps. Latchdown feature gives indication of circuit status. Audible and tactile feedback with smooth and responsive operation. Snap-action mechanism for long life. Stainless steel frame on snap-in models has a specially designed projection, which prevents rotation and correctly orients switch in panel. 12mm body diameter. Molded-in terminals lock out flux, dust, and other contaminants. 8mm panel thickness capability. Rear panel bushing or snap-in mounting. Optional PCB adaptors in straight and right angle types. Matching illuminated switches available and shown in the Illuminated section. Matching indicators available and shown at the end of Section M. Actual Size NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Miniature Pushbuttons Series KB General Specifications Electrical Capacity (Resistive Load) Power Level (code W): Logic Level (code G): Other Ratings Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Force: Contact Timing: Travel: Materials & Finishes Housing: Movable Contactor: Stationary Contacts: Housing Base: Terminal Base: Common Terminal: End Terminals: Environmental Data Operating Temp Range: Humidity: Vibration: Shock: Installation Mounting Torque: Cap Installation Force: Soldering Time & Temperature: Standards & Certifications Flammability Standards: UL & C-UL Recognized: R CSA Certified: 1A @ 125/250V AC or 1A @ 30V DC 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) Note: Find additional explanation of operating range in Supplement section. 50 milliohms maximum 1,000 megohms minimum @ 500V DC 1,000V AC minimum between contacts & 1,500 minimum between contacts & case (silver) for 1 minute minimum; 750V AC minimum between contacts & 1,500 minimum between contacts & case (gold) for 1 minute minimum; 100,000 operations minimum 50,000 operations minimum for silver; 100,000 operations minimum for gold Single pole 0.98 ~ 2.45N for maintained & 0.98 ~ 1.96N for momentary; Double pole 1.47 ~ 3.43N for maintained & 1.47 ~ 2.94N for momentary Nonshorting (break-before-make) Pretravel .087” (2.2mm); Overtravel .031” (0.80mm); Total Travel .118” (3.0mm) Polyamide (UL94V-0) Silver for power circuit; copper with gold plating for logic level circuit Silver for power circuit; copper with gold plating for logic level circuit Polyamide (UL94V-0) Polyester Phosphor bronze with silver flash plating for power circuit; Phosphor bronze with gold flash plating for logic level circuit Brass with silver flash plating for power circuit; Brass with gold flash plating for logic level circuit –25°C through +70°C (–13°F through +158°F) 90 ~ 95% humidity for 96 hours @ 40°C (104°F) 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 3 shocks in each direction) 0.78Nm (6.9 lb • in) maximum 4.51N (1.0 lbf) maximum downward force on cap Manual Soldering: See Profile A in Supplement section. UL94V-0 housing & housing base Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4A @ 28V DC; UL File No. WOYR2.E44145; add “/U” to end of part number to order UL mark on switch; C-UL File No. WOYR8.E44145; add “/C-UL” to end of part number to order C-UL mark on switch Single & double pole models recognized at 1A @ 125/250V AC, 1A @ 30V DC, & 0.4VA @ 28V maximum; CSA File No. 023535-0-000; add “/C” to end of part number to order CSA mark on switch. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Miniature Pushbuttons Series KB TYPICAL SWITCH ORDERING EXAMPLE KB 2 5 POLES C K W01 CAP COLORS SHAPES 1 SPDT 2 DPDT Bushing Mounting CIRCUITS ON (ON) ( ) = Momentary 6 ON A Black/None * EB Yellow/White BB White/White FF Green/Green Red/Red GG Blue/Blue S Square C Round CC R Rectangular * Black available in square and round only. Note: Insert Cap with clear lens and colored filter available; see Illuminated Pushbuttons section Snap-in Mounting 5 FF K Square M Round N Rectangular ON Alternate Action with Latchdown HOUSING K Black only CONTACTS & TERMINALS W01 Silver Contacts and Solder Lug Terminals 1A @ 125/250V AC G01 Gold Contacts and Solder Lug Terminals 0.4VA @ 28V AC/DC IMPORTANT: BARRIER TYPE No No Barrier Code B With Barrier Switches are supplied without UL, C-UL & CSA marking unless specified. Specific models & ratings noted on General Specifications page. DESCRIPTION FOR TYPICAL ORDERING EXAMPLE KB25CKW01-FF Green Cap Round with Bushing Mounting Black Housing DPDT ON-(ON) Circuit Silver Contacts and Solder Lug Terminals; Rated 1A @ 125/250V AC NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Series KB Miniature Pushbuttons POLES & CIRCUITS Plunger Position ( ) = Momentary Connected Terminals Normal Down Normal Down Throw & Schematics Note: Terminal numbers are not actually on the switch. Pole Model SP KB15 *KB16 ON ON (ON) ON 2-3 2-1 SPDT DP KB25 *KB26 ON ON (ON) ON 2-3 5-6 2-1 5-4 DPDT 2 (COM) 3 2 3 1 5 (COM) 1 6 4 * When in latchdown position for the alternate circuit, cap position is .055” (1.4mm) above the built-in bezel. SHAPES & MOUNTING TYPES Bushing Mounting S .551” (14.0mm) Square No barrier C .551” (14.0mm) Round .551” x .728” (14.0mm x 18.5mm) Rectangular R With barrier No barrier With barrier Bezel or barrier is an integral part of the switch body. One mounting nut AT057 supplied with each switch. Snap-in Mounting K .551” (14.0mm) Square No barrier M .551” (14.0mm) Round .551” x .728” (14.0mm x 18.5mm) Rectangular N With barrier No barrier With barrier Bezel or barrier is an integral part of the switch body. Panel Cutouts Bushing Mounting Without Keyway (12.3) Dia .484 Panel Thickness: .020” ~ .315” (0.5 ~ 8.0mm) Snap-in Mounting (1.2) R .047 (1.8) .071 (4.9) .193 (12.3) Dia .484 With Keyway Panel Thickness: .039” ~ .138” (1.0 ~ 3.5mm) (6.8) .268 (12.3) Dia .484 Panel thicknesses, when using optional accessories, are shown with the accessories at the end of this KB section. Socket wrench AT108 may be used for bushing mounting. Overtightening the mounting nut may damage the switch housing. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Series KB Miniature Pushbuttons HOUSING K Housing available in black only. Bezel or barrier is an integral part of the switch body. CONTACT MATERIALS, RATINGS & TERMINALS W G Silver Contacts Gold Contacts Power Level 1A @ 125V AC & 250V AC 01 Solder Lug (5.0) .197 (2.0) (1.8) .079 .071 (1.0) .039 Thk = (0.2) Com = (0.1) .008 .005 Logic Level 0.4VA maximum @ 28V AC/DC Complete explanation of operating range in Supplement section. AT055 Crossover Guard (12.4) Dia .488 A partitioned plastic guard is supplied with each switch to provide insulation between terminals. Installation steps: 1. 2. 3. 4. (14.0) Dia .551 (17.0) .669 Identify wire-to-terminal connections. Thread wires through the guard. Solder the connections. Push the guard fully onto the switch body. Material: Polypropylene BARRIER TYPE No Code B No Barrier With Barrier Built-in barrier only available for square and rectangular Built-in bezel CAPS & CAP COLORS Colors Available: A Black (Not available in Rectangular) BB White/White CC Red/Red EB Yellow/White FF Green/Green GG AT485 Square (11.6) Sq .457 (4.5) .177 (6.2) .244 AT486 Round AT4021 Rectangular (11.6) Dia .457 (4.5) .177 (11.6) .457 (6.2) .244 Material: Polycarbonate (16.1) .634 (4.5) .177 (6.3) .248 Finish: Glossy Blue/Blue NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Series KB Miniature Pushbuttons TYPICAL SWITCH DIMENSIONS Square • Bushing Mount Single & Double Pole (5.0) .197 (1.0) x (2.0) Typ .039 x .079 M12 P1 (0.2) Typ .008 (1.8) .071 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (11.6) Sq .457 (14.0) Sq .551 (1.4) .055 (3.5) .138 (14.2) .559 (5.3) (24.7) .209 .972 Latchdown Position (1.0) .039 KB15SKW01-GG (5.0) .197 (5.08) .200 (1.7) Typ .067 (9.0) .354 Single pole models do not have terminals 4, 5, & 6. Round • Bushing Mount Single & Double Pole (5.0) .197 (1.8) .071 (1.0) x (2.0) Typ .039 x .079 M12 P1 (0.2) Typ .008 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (11.6) Dia .457 (14.0) Dia .551 (1.4) .055 (3.5) .138 (14.2) .559 (24.7) (5.3) .972 .209 Latchdown Position (1.0) .039 KB25CKW01-GG (1.7) Typ .067 Single pole models do not have terminals 4, 5, & 6. Rectangular • Bushing Mount Single & Double Pole (5.0) .197 (1.8) .071 (1.0) x (2.0) Typ .039 x .079 M12 P1 (0.2) Typ .008 (11.6) .457 (14.0) .551 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (16.1) .634 (18.5) .728 KB15RKW01-GG (9.0) .354 (5.0) .197 (5.08) .200 (1.4) .055 (3.5) .138 (14.2) .559 (24.7) (5.3) .972 .209 Latchdown Position (5.08) .200 (1.7) Typ .067 (1.0) .039 (5.0) .197 (9.0) .354 Single pole models do not have terminals 4, 5, & 6. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Miniature Pushbuttons Series KB TYPICAL SWITCH DIMENSIONS Square • Snap-in Mount Single & Double Pole (1.8) .071 (1.0) x (2.0) Typ .039 x .079 (0.2) Typ .008 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (2.3) .090 (11.6) Sq .457 (14.0) Sq .551 (1.4) .055 (3.5) .138 (5.3) (24.7) .209 .972 Latchdown Position KB16KKW01-CC (1.0) .039 (5.08) .200 (1.7) Typ .067 (5.0) .197 (9.0) .354 Single pole models do not have terminals 4, 5, & 6. Round • Snap-in Mount Single & Double Pole (1.8) .071 (1.0) x (2.0) Typ .039 x .079 (0.2) Typ .008 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (2.3) .090 (11.6) Dia .457 (14.0) Dia .551 (1.4) .055 (3.5) .138 (5.3) (24.7) .209 .972 Latchdown Position KB26MKW01-CC (1.0) .039 (1.7) Typ .067 (9.0) .354 (5.0) .197 Single pole models do not have terminals 4, 5, & 6. Rectangular • Snap-in Mount Single & Double Pole (1.8) .071 (1.0) x (2.0) Typ .039 x .079 (0.2) Typ .008 (11.6) .457 (14.0) .551 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (16.1) .634 (18.5) .728 KB16NKW01-CC (5.08) .200 (1.4) .055 (3.5) .138 (1.7) Typ .067 (1.0) .039 (5.3) (24.7) .209 .972 Latchdown Position (5.08) .200 (5.0) .197 (9.0) .354 Single pole models do not have terminals 4, 5, & 6. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Series KB Miniature Pushbuttons TYPICAL SWITCH DIMENSIONS Square • Barrier • Bushing Mount Single & Double Pole (5.0) .197 (1.0) x (2.0) Typ .039 x .079 M12 P1 (0.2) Typ .008 (1.8) .071 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (14.2) .559 (5.3) .209 (8.8) .346 (11.6) Sq .457 (14.0) Sq .551 (24.7) .972 (1.0) .039 KB15SKW01B-BB (1.7) Typ .067 (9.0) .354 (5.0) .197 (5.08) .200 Single pole models do not have terminals 4, 5, & 6. Square • Barrier • Snap-in Mount Single & Double Pole (1.0) x (2.0) Typ .039 x .079 (0.2) Typ .008 (1.8) .071 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (5.3) .209 (8.8) .346 (11.6) Sq .457 (14.0) Sq .551 (24.7) .972 (1.0) .039 KB15KKW01B-CC (1.7) Typ .067 (5.0) .197 (9.0) .354 Single pole models do not have terminals 4, 5, & 6. Rectangular • Barrier • Bushing Mount Single & Double Pole (5.0) .197 (1.0) x (2.0) Typ .039 x .079 M12 P1 (0.2) Typ .008 (11.6) .457 (14.0) .551 (1.8) .071 Keyway (4.9) .193 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (16.1) .634 (18.5) .728 (5.3) .209 (8.8) .346 (14.2) .559 (24.7) .972 (1.0) .039 KB15RKW01B-FF (5.08) .200 (1.7) Typ .067 (5.0) .197 (9.0) .354 Single pole models do not have terminals 4, 5, & 6. Rectangular • Barrier • Snap-in Mount Single & Double Pole (1.8) .071 (1.0) x (2.0) Typ .039 x .079 (0.2) Typ .008 (11.6) .457 (14.0) .551 (4.9) .193 Keyway 6 3 5 2 4 1 (.127) .005 COM (1.8) Typ .071 (16.1) .634 KB15NKW01B-GG (5.08) .200 (18.5) .728 (5.3) .209 (8.8) .346 (24.7) .972 (1.0) .039 (5.0) .197 (9.0) .354 (5.08) .200 (1.7) Typ .067 Single pole models do not have terminals 4, 5, & 6. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Series KB Miniature Pushbuttons OPTIONAL ACCESSORIES PCB Adaptors AT701 Single Pole Straight PC Terminals Switch (2.8) Depth .110 AT702 Double Pole Straight PC Terminals (0.3) .012 (0.2) Typ .008 (2.54) Typ .100 Keyway 5 3 NC COM 2 4 NO 6 (12.0) Dia .472 + (9.8) .386 (3.1) .122 (10.16) .400 (0.3) .012 (0.2) Typ .008 (2.54) Typ .100 Keyway 5 3 NC COM 2 4 NO 6 (12.0) Dia .472 1 (0.6) Typ .024 Switch (2.8) Depth .110 AT077 Single Pole Right Angle PC Terminals + (9.8) .386 (10.16) .400 (3.1) .122 (9.8) .386 + (12.0) Dia .472 3 3 3 (0.2) Typ .008 (2.54) Typ .100 (0.4) Typ .016 2 COM 5 1 NO 1 NO 4 (10.16) .400 (0.8) Dia Typ .031 (10.16) .400 (1.4) Typ .055 (0.8) Typ .031 1 2 (13.0) .512 1 (1.2) Typ .047 (2.54) Typ .100 2 3 (7.62) .300 (0.8) Dia Typ .031 Material: Glass fiber reinforced polyamide (6.0) .236 (2.54) Typ .100 (2.54) Typ (2.54) Typ .100 .100 NC 6 2 COM - (11.4) .449 (7.62) .300 (2.54) Typ (2.54) Typ .100 .100 NC (0.4) .016 1 (0.6) Typ .024 (0.2) Typ .008 (2.54) Typ .100 Switch (2.8) Depth .110 (10.16) .400 (1.8) Dia Typ .071 Note: Order adaptors separately. Dust Covers Panel Thickness Range: .020” ~ .268” (0.5 ~ 6.8mm) for Bushing Mounting; .020” ~ .079” (0.5 ~ 2.0mm) for Snap-in Mounting. Dust Covers reduce the depth of switch behind panel by .047” (1.2mm). AT495 For Square & Round (not for Barrier type) AT4025 For Rectangular (not for Barrier type) Assembled Cap Height (7.0) .276 (1.2) R .047 (13.0) Sq .512 (5.1) .201 (1.6) .063 (21.0) Sq .827 (6.5) .256 (11.8) .465 Material: Lid: PVC (1.2) R .047 Assembled Cap Height (12.3) Dia .484 (12.3) Dia .484 (21.0) .827 (13.0) Sq .512 (6.5) .256 (11.8) .465 PVC loses pliability below 0°C (32°F). (7.0) .276 (25.4) 1.004 Base: Polyamide NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07 Series KB Miniature Pushbuttons OPTIONAL ACCESSORIES AT494 Protective Guard For Square & Round (not for Barrier type) (7.0) .276 Assembled Cap Height AT4024 Protective Guard For Rectangular (not for Barrier type) (1.2) R .047 (9.0) .354 (5.1) .201 (6.5) .256 (11.5) .453 (7.0) .276 Assembled Cap Height (1.2) R .047 (9.0) .354 (12.3) Dia .484 (6.5) .256 (11.5) .453 (1.6) .063 (19.0) Sq .748 Cover Material: Polycarbonate (12.3) Dia .484 (19.0) .748 (23.5) .925 Base Material: Polyamide Panel Thickness Range: .020” ~ .268” (0.5 ~ 6.8mm) for Bushing Mounting; .020” ~ .091” (0.5 ~ 2.3mm) for Snap-in Mounting. Protective Guards reduce the depth of switch behind panel by .047” (1.2mm). ASSEMBLY INSTRUCTIONS Cap Removal & Installation Cap Replacement For alternate action models cap must be in UP position for cap removal. Indentations on opposite sides of the cap provide an easy way to lift the cap out of the holder, using either the finger nails, or cap extractor AT109. AT109 Cap Extractor Note that the cap has a pair of round tabs and a pair of long tabs which should be used for correctly replacing the cap in its holder. Using the long tabs as guides, slide the cap with the long tabs moving into the slots on opposite sides of the cap holder. Then, the round tabs will snap into notches on the other two sides of the holder. Cap Indentation Round Tab Long Tab Slot Notch LEGENDS LM Easily create and submit your own legends using our new on-line Legend Maker. Visit www.nkkswitches.com For other legend support options, customers may either contact the factory and request the EB Legend Packet, or utilize the general information and basic specifications presented below. Suggested Printable Area for Lens T AR ST Recommended Methods: Laser Etch on clear lens, Screen Print or Pad Print on lens. Epoxy based ink is recommended. (10.08) (11.6) .397 .457 (10.08) Sq .397 (11.6) Sq .457 (0.76) Typ .030 (10.08) Dia .397 (0.76) Typ .030 (0.76)Typ .030 (11.6) Dia .457 (14.58) .574 (16.1) .634 (0.76) Typ .030 Shaded areas are printable areas. Additional Method: Maximum depth for engraving is .012” (0.3mm) on the cap lens. Enamel paint is recommended to fill the engraved area. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 03-07