WB12S-DA Datasheet, PDF (2/4 Pages) Nihon Kaiheiki Industry Co. Ltd. – Environmentally Sealed Pushbuttons

Environmentally Sealed Pushbuttons Series WB
General Specifications
Electrical Capacity (Resistive Load)
Power Level: 6A @ 125V AC & 3A @ 250V AC or 6A @ 30V DC
Other Ratings
Contact Resistance:

Insulation Resistance:
Dielectric Strength:
Mechanical Life:
Electrical Life:
Contact Timing:
Total Travel:
10 milliohms maximum for solder lug & screw terminal models
30 milliohms maximum for wire lead terminal models
200 megohms minimum @ 500V DC
1,500V AC minimum for 1 minute minimum
30,000 operations minimum
15,000 operations minimum
Break before make
Alternate Action .177” (4.5mm); Momentary Action .110” (2.8mm)
Materials & Finishes
Plunger:
Bushing & Outer Case:
Inner Case:
Inner Sealing Ring:
Outer Sealing Ring:
Movable Contactor:
Movable Contacts:
Stationary Contacts:
Terminals:

Wire Lead Covers:
Brass with nickel plating
Fiberglass reinforced polyamide (UL94V-0 outer case)
Melamine
Silicone rubber
Natural rubber
Copper with silver plating
Silver alloy with silver plating
Silver alloy with silver plating
Brass with silver plating for screw lug models;
brass with tin plating for solder lug & wire lead models
Heat resistant polyvinyl chloride (Leads are AWG 16.)
Environmental Data
Operating Temp Range:
Humidity:
Vibration:

Shock:
–30°C through +70°C (–22°F through +158°F)
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/s²) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Installation
Mounting Torque:
Soldering Time & Temp:
1.5Nm (13 lb•in)
Manual Soldering: See Profile A in Supplement section.
Standards & Certifications
Flammability Standards: UL94V-0 outer case
Wiring Material Standards: UL AWM 1015 Recognized at Flammability VW-1;
Temperature Range –20°C ~ +105°C; Maximum Load 600V; AWG 16
CSA TEW 105 Certified at Temperature Range –20°C ~ +105° C;
Maximum Load 600V
NKK Switches • email: [e-mail] • Phone [phone] • Fax [phone] • www.nkkswitches.com
02-08