Process Sealed Keylocks Series SK Distinctive Characteristics Sealed body construction plus disposable boot protect contacts and allow automated processing. Molded-in terminals seal out flux, solvents, and other contaminants. Short body size for space-saving, behind panel dimensions. Detent mechanism, with its spring-operated steel ball, gives crisp, positive action for accurate switch setting. Bifurcated, self-wiping contact mechanism provides unequalled logic-level reliability and smoother, positive detent actuation. Crimped bracket legs ensure secure PCB mounting and prevent dislodging during automated wave soldering. .100” x .100” (2.54mm x 2.54mm) terminal spacing conforms to standard PC board grid spacing. Actual Size NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Process Sealed Keylocks Series SK General Specifications Electrical Capacity (Resistive Load) Logic Level: Other Ratings Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Torque: Contact Timing: Angle of Throw: Materials & Finishes Boot: Key: Tumbler Barrel: Bushing: Bracket: Base: Movable Contactor: Stationary Contacts: Terminals: Environmental Data Operating Temperature Range: Humidity: Vibration: Shock: PCB Processing Soldering: Cleaning: Standards & Certifications UL Recognition CSA Certification: 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V) See Supplement section to find explanation of operating range 80 milliohms maximum 100 megohms minimum @ 500V DC 500V AC minimum for 1 minute minimum 30,000 cycles minimum 10,000 cycles minimum .026Nm (.234 lb•in) for momentary action models .020Nm (.182 lb•in) for maintained action models Break-before-make 90° for 2-position & 45° for 3-position Polyvinyl chloride Brass alloy with bright nickel plating; brass alloy with bright nickel plating & ABS resin handle Polyacetal Zinc alloy with nickel plating Steel with tin plating Glass fiber reinforced polyamide Beryllium copper with gold plating Copper with gold plating Brass with tin plating –25°C through +70°C (–13°F through +158°F) 90 ~ 95% humidity for 240 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 5 shocks in each direction) Wave Soldering recommended: See Profile B in Supplement section. Manual Soldering: See Profile B in Supplement section. Automated cleaning. Boot must be on switch during processing. See Cleaning specifications in Supplement section. These SK Series devices have not been tested for UL recognition or CSA certification. These switches are designed for use in a low-voltage, low-current, logic-level circuit. When used as intended in a logic-level circuit, the results do not produce hazardous energy. NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Series SK Process Sealed Keylocks TYPICAL SWITCH ORDERING EXAMPLE SK 2 4E POLES 1 SPDT SP3T 2 DPDT DP3T G 30 CONTACT MATERIAL G Gold Rated 0.4VA @ 28V AC/DC CIRCUITS & KEY-REMOVABLE POSITIONS PC TERMINALS Code Pos. 1 Pos. 2 Pos. 3 Key Removes 13 Straight with Bracket 2A ON NONE ON Positions 1 and 3 30 Right Angle 2B ON NONE ON Position 1 5B ON NONE (ON) Position 1 *4D ON ON ON Positions 1, 2, 3 *4E ON ON ON Position 2 ( ) = Momentary *Can be used as ON-OFF-ON circuit DESCRIPTION FOR TYPICAL ORDERING EXAMPLE SK24EG30 Gold Contacts Rated 0.4VA DP3T ON-ON-ON Circuit Key Removable in Position 2 Right Angle PC Terminals Supplied with Polyvinyl Chloride Boot 2 keys supplied with each switch NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Process Sealed Keylocks Series SK POLES, CIRCUITS & KEY-REMOVABLE POSITIONS Connected Terminals Key Positions Pole & Throw Model Pos 1 Pos 2 Pos 3 Pos 1 SPDT SK12A ON NONE ON C1-1 SPDT SPDT SK12B SK15B ON ON NONE NONE ON (ON) C1-1 DPDT SK22A ON NONE ON C1-1 C2-4 ____ (Terminal numbers are not on switch) Pos 2 Schematic Pos 3 • = Key Removable = Not Removable = Maximum Arc POS 1 ____ C1 C1-2 3 POS 1 ____ C1-2 1 SK22B SK25B ON ON NONE NONE ON (ON) C1-1 C2-4 ____ SP3T SK14D ON ON ON C1-1 C1-2 C1-3 SP3T SK14E ON ON ON C1-1 C1-2 C1-3 DP3T SK24D ON ON ON C1-1 C2-4 C1-2 C2-5 C1-3 C2-6 DP3T SK24E ON ON ON C1-1 C2-4 C1-2 C2-5 C1-3 C2-6 3 POS 1 C1-2 C2-5 DPDT DPDT 2 C1 C2 3 POS 1 C1-2 C2-5 1 2 4 5 3 POS 1 C1 2 3 2 1 POS 1 2 3 C1 POS 1 C2 3 2 3 2 1 2 3 POS 1 4 5 6 3 KEY REMOVABLE A Positions 1 & 3 90° Angular Throw B Position 1 90° Angular Throw D Positions 1, 2 & 3 45° Angular Throw E Position 2 45° Angular Throw CONTACT MATERIAL & RATING G Gold over Copper Logic Level 0.4VA maximum @ 28V AC/DC maximum TERMINALS 13 Straight PC Terminals with Bracket Double Throw Model 30 Three Throw Model Right Angle PC Terminals Double Throw Model Three Throw Model NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Process Sealed Keylocks Series SK KEYS AT4080 Standard Antistatic Plastic Handle (20.0) .787 (5.0) .197 Brass Alloy with Bright Nickel Plating & ABS Resin Handle (14.5) .571 (1.5) .059 2 keys supplied with each switch PCB (10.1) .398 Suitable for all Straight PCB mount and for Right Angle PCB mount where clearance for key is obtainable. AT4079 for Right Angle Mid-board Mounting (Optional) All Metal (16.0) .630 Brass Alloy with Bright Nickel Plating Contact factory if metal keys needed (2.0) .079 (14.0) .551 (1.5) .059 PCB (8.8) .346 TYPICAL SWITCH DIMENSIONS Straight PC with Bracket • Double Throw Single & Double Pole 90ϒ (1.0) .039 (12.0) Dia .472 POS 3 (14.5) .571 (5.08) Typ .200 (14.8) .583 (0.3) .012 (10.5) .413 2 5 C1 C2 (2.54) Typ .100 (10.5) .413 (15.74) .620 (0.7) Typ .028 (3.5) .138 (10.16) .400 Single Pole models have only terminals 1, 2 & C1 SK12AG13 Straight PC with Bracket • Three Throw Single & Double Pole POS 2 POS 1 POS 3 (1.0) .039 (12.0) Dia .472 (5.08) Typ .200 (3.0) .118 4 1 (20.0) .787 (14.5) .571 (0.7) Dia Typ .028 (0.5) Typ .020 (2.54) .100 45ϒ 45ϒ SK24DG13 4 1 (20.0) .787 (3.0) .118 (0.7) Dia Typ .028 (0.5) Typ .020 (2.54) .100 POS 1 (14.8) .583 (0.3) .012 (10.5) .413 2 5 3 6 C1 C2 (2.54) Typ .100 (10.5) .413 (3.5) .138 (15.74) .620 (0.7) Typ .028 (10.16) .400 Single Pole models have only terminals 1, 2, 3 & C1 NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com 05-08 Series SK Process Sealed Keylocks TYPICAL SWITCH DIMENSIONS Key in Position 1 Single Pole (5.0) .197 POS 1 (12.0) Dia .472 (14.8) .583 2 1 (0.7) Dia .028 (12.4) .488 (7.62) .300 (2.54) .100 C1 (2.54) Typ .100 (2.54) .100 90ϒ (0.5) Typ .020 (16.3) .642 (9.0) .354 (10.5) .413 (0.7) Typ .028 (5.08) .200 5 4 Right Angle PC Terminals Double Throw (3.5) .138 C2 (1.0) .039 POS 3 (15.24) .600 (20.0) .787 (9.0) .354 (3.0) .118 2 1 C1 (3.5) (0.7) Dia Typ .138 .028 (5.08) .200 (2.54) Typ .100 (2.54) .100 Key in Position 3 (16.3) .642 Double Pole SK15BG30 Key in Position 2 Single Pole (5.0) .197 Right Angle PC Terminals Three Throw (16.3) .642 (9.0) .354 POS 1 (10.5) .413 (0.7) Typ .028 (12.4) .488 45ϒ (12.0) Dia .472 POS 2 (14.8) .583 45ϒ 1 (0.7) Dia .028 (2.54) .100 (7.62) .300 2 3 C1 (2.54) Typ .100 (2.54) .100 (5.08) .200 6 5 4 (3.5) .138 C2 POS 3 (0.5) Typ .020 (9.0) .354 (15.24) .600 (3.0) .118 1 2 3 C1 (2.54) Typ .100 (2.54) .100 Key in Position 1 (16.3) .642 (3.5) (0.7) Dia Typ .138 .028 (5.08) .200 Double Pole 1 2 SPDT C1 (10.16) .400 Straight PC Footprints DPDT (5.08) .200 4 1 5 2 1 (10.16) .400 (0.8) Dia Typ .031 DP3T 3 (5.08) .200 C1 (5.08) .200 SPDT (5.08) .200 (2.54) .100 2 C1 1 (2.54) Typ .100 (2.54) .100 (5.08) .200 DPDT C2 5 4 C1 2 1 (7.62) .300 CL (0.8) Dia Typ .031 (2.54) .100 SP3T (5.08) .200 (2.54) .100 3 C1 (7.62) .300 CL (0.8) Dia Typ .031 2 6 3 C2 C1 (10.16) .400 (5.08) .200 (0.8) Dia Typ .031 Right Angle PC Footprints (2.54) Typ .100 (2.54) .100 5 (0.8) Dia Typ .031 (10.16) .400 (0.8) Dia Typ .031 1 4 2 SP3T C1 C2 (2.54) Typ .100 (2.54) Typ .100 (2.54) Typ .100 (2.54) Typ .100 SK24EG30 2 1 (2.54) Typ .100 (2.54) .100 (5.08) .200 DP3T (2.54) Typ .100 (2.54) .100 C2 6 5 4 C1 3 2 1 (7.62) .300 (7.62) .300 CL (0.8) Dia Typ .031 (2.54) .100 CL NKK Switches • email: [email protected] • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com (0.8) Dia Typ .031 05-08