Datasheet

Miniature Pushbuttons Series KB
www.nikkaiswitches.com • Nihon Kaiheiki • Phone [phone] • Fax [phone]
3-07
General Specications
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: For Silver: 1,000V AC minimum between contacts for 1 minute minimum &
1,500V AC minimum between contacts & case for 1 minute minimum;
For Gold: 750V AC minimum between contacts for 1 minute minimum &
1,500V AC minimum between contacts & case 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” (0.8mm); 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 Terminals: Phosphor bronze with silver ash plating for power circuit;
Phosphor bronze with gold ash plating for logic level circuit
End Terminals: Brass with silver ash plating for power circuit;
Brass with gold ash plating for logic level circuit
Lamp Terminals: Phosphor bronze with nickel ash plating
Environmental Data
Operating Temp Range: –25°C through +50°C (–13°F through +122°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/s
2
) 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 Prole A in Supplement section.
Standards & Certications
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.
UL File No. WOYR8.E44145: add “/C-UL” to end of part number to order C-UL mark on switch.
CSA Certied: 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.
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