Nkk Switches SK12AAW01 Key Switch, SK12AAW01 Fiche De Données

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Power Level (silver): 

  3A @ 125V AC for low & medium security; 1A @ 250V AC for low security 

 

 

Contact Resistance:   10 milliohms maximum 

 

Insulation Resistance:  1,000 megohms minimum @ 500V DC 

 

Dielectric Strength:  1,000V AC minimum between contacts for 1 minute minimum; 

 

  1,500V AC minimum between contacts & case for 1 minute minimum 

 

Mechanical Life:  30,000 cycles minimum 

 

Electrical Life:  10,000 cycles minimum 

 

Nominal Operating Torque:  .026Nm (.234 lb

•

in) for low & medium security 

 

Contact Timing:  Break-before-make 

 

Angle of Throw:    90° for 2-position & 45° for 3-position 

 

 

Key:  Zinc alloy with chrome plating (matte) for low security models; 

 

  brass with nickel plating (shiny) for medium security models  

 

Tumbler Barrel:  Zinc alloy with chrome plating (matte) for low security models; 

 

  zinc alloy with chrome plating (shiny) for medium security models  

 

Housing/Bushing:  Zinc alloy with chrome plating (matte) for low security models; 

 

  zinc alloy with chrome plating (shiny) for medium security models 

Base:  Phenolic resin (thermoset) 

 

Movable Contactor:  Silver 

 

Stationary Contacts:  Silver capped copper with silver plating 

 

Terminals:  Copper or brass with silver plating

 

  Operating Temperature Range:  –25°C through +70°C (–13°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/s

2

) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)

 

 

Mounting Torque:  1.5Nm  (13.28 lb

•

in) maximum 

  Soldering Time & Temperature:   Manual Soldering:  See Profile A in Supplement section.   
 

 

 

 

UL:  File No. E44145 

 

  All low security models recognized at 3A @ 125V AC or 1A  @ 250V AC  

 

  & all medium security models recognized at 3A @ 125V AC  

 

  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. 

 

CSA:   File No. 023535_0_000 

 

  All low security models certified at 3A @ 125V AC or 1A @ 250V AC  

 

  Add “/C” to end of part number to order CSA mark on switch.

General 

Specifications