Presskeys Escha PK 20 Series

The ESCHA presskeys of the PK 20 series have proved their worth thousands of times on public transport vehicles. Their durability and sturdy design ensure reliable operation even under extreme conditions.

Its features:

• Fully enclosed single-part switch housing which does not require any sealing elements

• High-quality plastic

• Hermetically sealed switch chamber with a patented pressure equalisation system

• Mechanical multipoint bonding

• Flexible detachment of the switch housing from the fastening

• High-quality electronics

Escha Literature Downloads

Technical data:

• 3 LED (green) for power-on indication

• 1 LED (red) for switching indication

• Output pulse with release delay

• Short-circuit-proof

• Reverse-polarity protection

• 7.5 - 9 N activation force

• approx. 0.17 mm activation path

• -30...+80 °C temperature range

• 7 million switching cycles

• Protection class IP67 (only outer side)