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Home » Product Knowledge Center » NKK UB2


Low Profile Pushbuttons UB2 Series

Low Profile LED Pushbuttons - UB2 Series

NKK Switches offers the UB2 Series Low Profile LED Pushbuttons in a wide selection of illuminated effects with single- and bi-color, 1- or 6-element LEDs in flat, beveled, or sculptured caps. The Low Profile LED Pushbuttons in the UB2 series from NKK Switches offers alternating legends with START/STOP, OPEN/CLOSE, ON/OFF in green/red LEDs, respectively. These LED Pushbuttons with alternating legends are ideal for indoor applications in which a positive circuit status indication is critical, such as audio/visual control consoles, music recording panels, patient monitors, and diagnostic equipment.

Part Number Suffix
 Alternating Legend
 Colors
01
On/Off
Green/Red
02
Start/StopGreen/Red
04
Open/CloseGreen/Red







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Distinctive Characteristics
  • - Wide selection of illumination effects is achieved with single and bicolor, 1- or 6-element LEDs in flat, beveled, or sculptured caps.
  • - Alternating legends (patent pending) in choice of sculptured or flat caps, combined with super bright bicolor LED.
  • - Combination of PCB mountability and short body allows use in compact applications.
  • - Small behind panel dimension for snap-in mounting in tight spaces.
  • -Snap-acting contact mechanism provides sensitive actuation with audible feedback; quick-make, quick-break characteristic limits arcing and prolongs electrical life.
  • - Latch down mechanism, independent of switching mechanisms, gives outstanding stability and reliability plus visible and tactile indication of circuit status.
  • - Terminals are epoxy sealed to lock out flux, solvents, and other contaminants.
  • - Momentary and alternate action circuits available in the same space-saving body size.
  • - Non-illuminated modes available
  • - Matching indicators available
Electrical Capacity (Resistive Load)
  • - Power Level (code W): 5A @ 125/250V AC or 5A @ 30V DC
  • - Logic Level (code G): 0.4VA maximum @ 28V AC/DC maximum (Applicable Range 0.1mA ~ .01A @ 20mV ~ 28V)
Other Ratings
  • - Contact Resistance: 50 milliohms maximum for silver; 100 milliohms maximum for gold
  • - 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 for momentary; 200,000 operations for alternate action
  • - Electrical Life: 10,000 operations minimum for silver; 200,000 operations for minimum for gold
  • - Nominal Operating Force: Single Pole: 1.90N Double Pole 2.55N
  • - Contact Timing: Break before make
  • - Travel: Pretravel .067" (1.7mm); Overtravel .024" (0.6mm); Total Travel .091" (2.3mm)



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