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Low Profile Pushbuttons
General Specifications
Electrical Capacity (Resistive Load)
Series UB2
Power Level (code W):
Logic Level (code G):
5A @ 125/250V AC or 5A @ 30V DC
0.4VA maximum @ 28V AC/DC maximum
Note: See Supplement Index (page Z1) to find explanation of operating range.
Other Ratings
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Travel:
Materials & Finishes
Housing/Bezel:
Snap-in Frame:
Movable Contactor:
Movable Contacts:
Stationary Contacts:
Switch Terminals:
Lamp Terminals:
Base:
Environmental Data
Operating Temp Range:
Humidity:
Vibration:
Shock:
Installation
Cap Installation Force:
Soldering Time & Temperature:
Process Seal:
Standards & Certifications
Flammability Standards:
UL & C-UL Recognized:
R
50 milliohms maximum for silver; 100 milliohms maximum for gold
200 megohms minimum @ 500V DC
1,000V AC minimum between contacts for 1 minute minimum;
1,500V AC minimum between contacts & case for 1 minute minimum
1,000,000 operations minimum for momentary &
200,000 operations minimum for alternate action
10,000 operations minimum for silver;
200,000 operations minimum for gold
Single Pole: 194 grams
Double Pole: 260 grams
Break before make
1.7mm (.067") pretravel; 0.6mm (.024") overtravel; 2.3mm (.091") total travel
Glass fiber reinforced polyamide
Stainless steel
Phosphor bronze
Silver alloy or copper with gold plating
Silver alloy or copper with gold plating
Phosphor bronze with silver or gold plating
Brass with silver plating
Glass fiber reinforced liquid crystal polymer
-25 ° C through +50 ° C (-13 ° F through +122 ° F) for Bright & Bicolor LEDs
-20 ° C through +50 ° C (-4 ° F through +122 ° F) for Super Bright LEDs
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/s 2 ) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
15.00N (3.37 lbf) maximum downward force on cap
3 seconds @ 350 ° C or 5 seconds @ 270 ° C
Not available
UL94V-0 rated base
All single & double pole models recognized at 5A @ 125/250V AC or
0.014A @ 28V DC; UL File No. WOYR2.E44145 & C-UL File No. WOYR8.E44145;
add "/U" to end of part number to order UL mark on switch & add "/U-C" to end of
part number to order C-UL mark on switch (equivalent to CSA certification)
NKK Switches ? email: sales@nkkswitches.com ? Phone (480) 991-0942 ? Fax (480) 998-1435
www.nkkswitches.com
12-02
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