(5.1) .201 IP65 Panel Seal Pushbutton with Legend & Splash Cover Series LB LB15VA002 Bushing Mount Solder Lug/Quick Connect Dimensions in mm/inch Splash Cover (5.5) (1.2) x (2.0) Typ M22 P1 (1.7) and O-ring .217 .047 x .079 .067 (0.5) Typ .020 L (+) (10.5) NC 3 .413 NO (15.8) Sq 2 START .622 COM 1 L (-) (2.54) Typ .100 (22.0) Dia .866 Keyway Panel Thickness (12.0) (2.8) Typ .039 ~ .138 (1.0 ~ 3.5mm) .472 .110 (1.8) (5.08) .071 .200 Note: Overtightening the (3.2) (21.5) (31.3) Dia (7.5) (25.0) Dia mounting nut AT074 may .126 .846 1.232 .295 .984 damage the switch housing. BASE SWITCH CAP FOR SUPER BRIGHT LED LEGEND SPECIFICATIONS Legend START AT4131JB Cap Clear Lens Transparent Type Style Helvetica Bold White Diffuser Clear Lens (19.0) Dia Type Size 12 Point .748 Part Number Legend Color Black Transparent LB15WKW01/CUL White Diffuser Laser Etch on Print Method Inside of Lens AT631B Material: Finish: White Super Bright Legend shown is illustrative only. Polycarbonate Glossy Single Element LED Actual art may vary. Round Splash Cover for Panel Seal AT9410 Splash Cover Lid Panel Base Materials: O-ring Supplied Lid: PVC (loses pliability below 0C/32F) with Switch Base: Polyethylene O-ring Supplied O-ring: NBR with AT9410 Splash Cover Splash Cover O-ring (21.0) Dia .827 (10.6) .417 (22.0) Dia (3.0) (1.6) .866 .118 .063 (31.3) Dia (7.8) (23.0) Dia (31.3) Dia (0.5) 1.232 .307 .906 1.232 .020 www.nkkswitches.com 1 01/28/21IP65 Panel Seal Pushbutton with Legend & Splash Cover Series LB Base Switch Specifications Electrical Capacity (Resistive Load) Power Level: 3A 125V AC or 3A 250V AC or 3A 30V DC Other Ratings Contact Resistance: 50 milliohms maximum Insulation Resistance: 200 megohms minimum 500V DC Dielectric Strength: 1,000V AC minimum between contacts for 1 minute minimum 1,500V AC minimum between contacts & case for 1 minute minimum Mechanical Life: 1,000,000 operations minimum Electrical Life: 100,000 operations minimum Nominal Operating Force: 5.39N Contact Timing: Nonshorting (break-before-make) Travel: Pretravel .059 (1.5mm) Overtravel .059 (1.5mm) Total Travel .118 (3.0mm) Materials & Finishes Housing: Glass fiber reinforced polyamide (UL94V-0) O-ring: Nitrile butadiene rubber Inner Seal: Silicone rubber Movable Contact: Silver alloy Stationary Contacts: Silver alloy Base: Liquid crystal polymer (UL94V-0) Switch Terminals: Phosphor bronze with silver plating Lamp Terminals: Brass with silver plating Environmental Data Operating Temperature Range: 25C ~ +50C (13F ~ +122F). With polyvinyl chloride splash cover, the lowest limit is 0C (32F). Humidity: 90 ~ 95% humidity for 96 hours 40C (104F) Vibration: 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 2 Shock: 50G (490m/s ) acceleration (tested in 6 right angled directions, with 5 shocks in each direction) Sealing: IP65 of IEC 60529 standard (similar to NEMA 4 & 13) RoHS Compliant: Installation Mounting Torque: 1.96Nm (17.35 lbin) maximum Cap Installation Force: 3.92N maximum downward force on cap Quick Connect Force: 52.95N maximum downward force on connector Soldering Time & Temperature: Manual Soldering: 390C for 4 seconds, 2 cycles Standards & Certifications Flammability Standards: UL94V-0 housing & base POLES & CIRCUITS Plunger Position Connected Terminals Throw & Switch/Lamp Schematics ( ) = Momentary Pole Model Notes: Switch is marked with NC, NO, COM, L+, L. Normal Down Normal Down Lamp circuit is isolated and requires an external power source. 1 COM L (+) (-) L SP LB15 ON (ON) 1-3 1-2 SPDT 32NC NO ELECTRICAL SPECIFICATIONS FOR LED Color White The electrical specifications shown are determined at a basic tempera - ATTENTION ELECTROSTATIC ture of 25C. For best results and safe use of LEDs, the supply voltage SENSITIVE DEVICES Maximum Forward Current I 30mA should be more than the LED forward voltage. Also, an appropriately FM valued ballast resistor should be used, or the LED will be damaged or AT631B Typical Forward Current I 20mA destroyed. The resistor value can be calculated by using the formula F White Super Bright shown here. Single Element LED Forward Voltage V 3.3V F R I E V + F F R = Anode I Maximum Reverse Voltage V 7V F RM Where: R = Resistor Value (Ohms) E V F Current Reduction Rate Above 25C I 0.40mA/C E = Source Voltage (V) F V = Forward Voltage (V) Cathode F I = Forward Current (A) T-1 Bi-pin Ambient Temperature Range 25C ~ +50C F www.nkkswitches.com 2 01/28/21