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K3 Key Switch

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This key switch is designed to operate between -30°C and up to +60°C. It has a cranking rating of 1000 Amps over 15 seconds making it suitable for powering up specialist vehicles, construction machinery, golf carts and marine vehicles. It offers smooth rotation and provides a stable current switching effect. It will need a 19mm mounting hole and will work with a panel thickness of up to 6mm.

  • Choice of Key style
  • Removable key
  • OFF-ON switch function
  • Classic styling
  • Dielectric strength AC 1000V 1 Minute

33VDC

180A

On – Off

-30 to 60 °C

Specialist Vehicle - Markets at Lucid Electronics

Ideal for specialist vehicles

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  • Specifications
  • Standard Parts
Part Number
Continuous Rating
Intermittent Rating
Cranking Rating
Switch function
Lever Type
Mounting hole
Contact Resistance
Insulation resistance
Dielectric strength
Datasheet
K3-39 180A 32VDC Maximum 250A 1000A 15 seconds OFF - ON Fixed lever style 19mm 50m Ohm Maximum 500V 100M minimum AC 1000V ~ DC 2000V (1 minute) pdf
K3-38 180A 32VDC Maximum 250A 1000A 15 seconds OFF - ON Removable key 19mm 50m Ohm Maximum 500V 100M minimum AC 1000V ~ DC 2000V (1 minute) pdf
K3-40 10A 14VDC 2 Position SPST ON-OFF Removable Key 22.2mm 50m Ohm Maximum 500V 100M minimum AC 1000V ~ DC 1500V (1 minute) pdf
Continuous Rating 180A 32VDC
Intermittent Rating 250 Amps
Cranking Rating 1000 Amps / 15 seconds
Contact Resistance 50mΩ max
Insulation Resistance DC 500V 100MΩ minimum
Dialectric strength DC 2000V 1 minute
Operating Temperature -30°C….60°C

Specifications subject to change without notice.