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KB25NKW01 Datasheet(PDF) 2 Page - Nihon Kaiheiki Industry Co. Ltd. |
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KB25NKW01 Datasheet(HTML) 2 Page - Nihon Kaiheiki Industry Co. Ltd. |
2 / 10 page NKK Switches • email: sales@nkkswitches.com • 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): 1A @ 125/250V AC or 1A @ 30V DC Logic Level (code G): 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. Other Ratings Contact Resistance: 50 milliohms maximum Insulation Resistance: 1,000 megohms minimum @ 500V DC Dielectric Strength: 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; Mechanical Life: 100,000 operations minimum Electrical Life: 50,000 operations minimum for silver; 100,000 operations minimum for gold Nominal Operating Force: 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 Contact Timing: Nonshorting (break-before-make) Travel: Pretravel .087” (2.2mm); Overtravel .031” (0.80mm); Total Travel .118” (3.0mm) Materials & Finishes Housing: Polyamide (UL94V-0) Movable Contactor: Silver for power circuit; copper with gold plating for logic level circuit Stationary Contacts: Silver for power circuit; copper with gold plating for logic level circuit Housing Base: Polyamide (UL94V-0) Terminal Base: Polyester Common Terminal: Phosphor bronze with silver flash plating for power circuit; Phosphor bronze with gold flash plating for logic level circuit End Terminals: Brass with silver flash plating for power circuit; Brass with gold flash plating for logic level circuit Environmental Data Operating Temp Range: –25°C through +70°C (–13°F through +158°F) Humidity: 90 ~ 95% humidity for 96 hours @ 40°C (104°F) 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 Shock: 50G (490m/s2) acceleration (tested in 6 right angled directions, with 3 shocks in each direction) Installation Mounting Torque: 0.78Nm (6.9 lb•in) maximum Cap Installation Force: 4.51N (1.0 lbf) maximum downward force on cap Soldering Time & Temperature: Manual Soldering: See Profile A in Supplement section. Standards & Certifications Flammability Standards: UL94V-0 housing & housing base UL & C-UL Recognized: 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 CSA Certified: 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. R |
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