Datasheet

3 Amp Momentary Pushbuttons Series SB
2-06
NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone] • www.nkkswitches.com
General Specications
Electrical Capacity (Resistive Load)
Power Level: 3A @ 125V AC or 2A @ 250V AC or 2A @ 30V DC for silver
Logic Level: 0.4VA max. @ 28V AC/DC max. for gold
(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)
Note: Find additional explanation in Supplement section.
Other Ratings
Contact Resistance: 10 milliohms maximum for silver;
20 milliohms maximum for gold
Insulation Resistance: 200 megohms minimum @ 500V DC
Dielectric Strength: 1,000V AC minimum between contacts & between contacts & case for 1 minute minimum
Mechanical Life: 30,000 operations minimum
Electrical Life: 10,000 operations minimum
Nominal Operating Force: 4.90N
Travel: Normally Open
Total Travel .088” (2.24mm)
Normally Closed
Total Travel .088” (2.24mm)
Materials & Finishes
Plunger: Phenolic resin
Bushing: Brass with nickel plating
Case: Phenolic resin
Movable Contactor: Copper with silver or gold plating
Stationary Contacts: Copper with silver or gold plating
Terminals: Copper with silver or gold plating
Environmental & Installation Data
Operating Temp Range: –10°C through +70°C (+14°F through +158°F)
Soldering Time & 3 seconds max. @ 350°C max. for manual soldering or
Temperature: 5 seconds @ 270°C for solder pot
Note: Find additional processing data in Supplement section.
Standards & Certifications
UL Recognized: Models rated 3A @ 125V AC & 2A @ 250V AC.
Single pole: Momentary action circuit with solder lug terminations.
UL File Number: WOYR2.E44145; add “/U” to end of part number to order UL mark on switch.
CSA Certied: SB series rated 3A @ 125V AC & 2A @ 250V AC.
Single pole: Momentary action circuit with solder lug terminations.
CSA File Number: 023535-0-000; add “/C” to end of part number to order CSA mark on switch.