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WB12L-DB Datasheet(PDF) 2 Page - Nihon Kaiheiki Industry Co. Ltd.

Part # WB12L-DB
Description  Environmentally Sealed Pushbuttons
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Manufacturer  NKK [Nihon Kaiheiki Industry Co. Ltd.]
Direct Link  http://www.nkkswitches.com
Logo NKK - Nihon Kaiheiki Industry Co. Ltd.

WB12L-DB Datasheet(HTML) 2 Page - Nihon Kaiheiki Industry Co. Ltd.

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NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
02-08
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:
10 milliohms maximum for solder lug & screw terminal models
30 milliohms maximum for wire lead terminal models
Insulation Resistance:
200 megohms minimum @ 500V DC
Dielectric Strength:
1,500V AC minimum for 1 minute minimum
Mechanical Life:
30,000 operations minimum
Electrical Life:
15,000 operations minimum
Contact Timing:
Break before make
Total Travel:
Alternate Action .177” (4.5mm); Momentary Action .110” (2.8mm)
Materials & Finishes
Plunger:
Brass with nickel plating
Bushing & Outer Case:
Fiberglass reinforced polyamide (UL94V-0 outer case)
Inner Case:
Melamine
Inner Sealing Ring:
Silicone rubber
Outer Sealing Ring:
Natural rubber
Movable Contactor:
Copper with silver plating
Movable Contacts:
Silver alloy with silver plating
Stationary Contacts:
Silver alloy with silver plating
Terminals:
Brass with silver plating for screw lug models;
brass with tin plating for solder lug & wire lead models
Wire Lead Covers:
Heat resistant polyvinyl chloride (Leads are AWG 16.)
Environmental Data
Operating Temp Range:
–30°C through +70°C (–22°F through +158°F)
Humidity:
90 ~ 95% humidity for 96 hours @ 40°C (104°F)
Vibration:
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
Shock:
50G (490m/s2) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Installation
Mounting Torque:
1.5Nm (13 lbin)
Soldering Time & Temp:
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


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