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05-08

Process Sealed Keylocks

Series SK

General Specifications

Electrical Capacity (Resistive Load)

Logic Level:

0.4VA maximum @ 28V AC/DC maximum

(Applicable Range 0.1mA ~ 0.1A @ 20mV ~ 28V)

See Supplement section to find explanation of operating range

Other Ratings

Contact Resistance:

80 milliohms maximum

Insulation Resistance:

100 megohms minimum @ 500V DC

Dielectric Strength:

500V AC minimum for 1 minute minimum

Mechanical Life:

30,000 cycles minimum

Electrical Life:

10,000 cycles minimum

Nominal Operating Torque:

Contact Timing:

Break-before-make

Angle of Throw:

90° for 2-position & 45° for 3-position

Materials & Finishes

Boot:

Polyvinyl chloride

Key:

Brass alloy with bright nickel plating;

brass alloy with bright nickel plating & ABS resin handle

Tumbler Barrel:

Polyacetal

Bushing:

Zinc alloy with nickel plating

Bracket:

Steel with tin plating

Base:

Glass fiber reinforced polyamide

Movable Contactor:

Beryllium copper with gold plating

Stationary Contacts:

Copper with gold plating

Terminals:

Brass with tin plating

Environmental Data

Operating Temperature Range:

–25°C through +70°C (–13°F through +158°F)

Humidity:

90 ~ 95% humidity for 240 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:

PCB Processing

Soldering:

Wave Soldering recommended: See Profile B in Supplement section.

Manual Soldering: See Profile B in Supplement section.

Cleaning:

Automated cleaning. Boot must be on switch during processing.

See Cleaning specifications in Supplement section.

Standards & Certifications

UL Recognition

These SK Series devices have not been tested for UL recognition or CSA certification.

CSA Certification:

These switches are designed for use in a low-voltage, low-current, logic-level circuit.

When used as intended in a logic-level circuit, the results do not produce hazardous energy.