Series UB
Low Profile Pushbuttons
General
Specifications
Electrical Capacity (Resistive Load)
Power Level (silver):
Logic Level (gold):
5A @ 125/250V AC or 5A @ 30V DC
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.
Pushbuttons
Rockers
Toggles
Other Ratings
Programmable
Illuminated PB
D
Contact Resistance:
Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Nominal Operating Force:
Contact Timing:
Travel:
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;
100,000 operations minimum for silver with resistive load of 3A @ 125V AC
200,000 operations minimum for gold
Single Pole: 1.9N for Square & 1.9N for Rectangular
Double Pole: 2.55N for Square & 3.1N for Rectangular
Break before make
Pretravel .067” (1.7mm); Overtravel .024” (0.6mm); Total Travel .091” (2.3mm)
Glass fiber reinforced polyamide (UL94V-0)
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 (UL94V-0)
–25°C through +50°C (–13°F through +122°F) for Illuminated
–20°C through +70°C (–4°F through +158°F) for Nonilluminated
90 ~ 95% humidity for 96 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)
7.55N (1.70 lbf) maximum downward force on cap
Wave Soldering (PC version): See Profile A in Supplement section.
Manual Soldering: See Profile A in Supplement section.
These devices are not process sealed. Hand clean locally using alcohol based solution.
UL94V-0 housing/bezel & base
File No. E44145
All single & double pole models recognized at 5A @ 125/250V AC or 0.014A @ 28V DC.
Add “/U” to end of part number to order UL mark on switch.
Add “/CUL” to end of part number to order cULus mark on switch.
UL recognized only when ordered switch body with cap assembled.
CSA File No. 023535_0_000
All single & double pole models certified at 5A @ 125/250V AC or 5A @ 30V DC or
0.4VA maximum @ 28V AC/DC maximum.
Add “/C” to end of part number to order CSA mark on switch.
www.nkk.com
Keylocks
Materials & Finishes
Rotaries
Housing/Bezel:
Snap-in Frame:
Movable Contactor:
Movable Contacts:
Stationary Contacts:
Switch Terminals:
Lamp Terminals:
Base:
Slides
Tactiles
Environmental Data
Operating Temperature Range:
Humidity:
Vibration:
Tilt
Shock:
Installation
Touch
Cap Installation Force:
Soldering Time & Temp:
Cleaning:
Indicators
Standards & Certifications
Flammability Standards:
UL:
Accessories
CSA:
Supplement
D78
NKK [ NIHON KAIHEIKI INDUSTRY CO. LTD. ]
