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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:

Installation

Mounting Torque:

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