LW flush series - Pushbutton switches

LW flush - Pushbutton

New product

The LW flush series offers more design possibilities in a Ø25mm bushing.

Main features

  • Round or square, metal or black bezels, extended or flush buttons;
  • 3 different terminals
  • Switch guards
  • Up to 3PDT contacts + illumination
  • Fully qualified and certified

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Ergonomics 1

Ergonomics 2

Features

General specification

• Ø25 mm mounting hole;
• 52 mm depth (solder tab terminals):
• 61 mm depth (screw terminals);
• 2 different shapes (round Ø28 mm and square □28 mm);
• Plastic (black) or metal bezel;
• Illuminated or non-illuminated push buttons;
• All LEDs come with an internal protective circuit;
• Screw, solder/tab or PCB terminals

Environmental specifications

• Operating temperatures: -25 to +60 °C (no freezing), illuminated units: -25 to +50°C;
• Operating Humidity: 45 to 85% RH (no condensation);
• Degree of protection (IEC 60529): IP65;
• Vibration resistance: Operating extremes & damage limits: 5 to 55 Hz, amplitude 0,5 mm;
• Shock resistance: Operating extremes: 100 m/s² maximum
Damage limits: 1,000 m/s² maximum

Electrical specifications

• Rated insulation voltage (Ui): 250 V;
• Rated thermal current (Ith): 3 A (gold contact), 5 A (silver contact):
• Up to 3 contacts (3PDT);
• Contact resistance: 50 mohm max (initial value);
• Insulation resistance: 100 Mohm min (500V DC megger);
• Dielectric strength: 2,5kV AC / 1min;
• Mechanical durability: Momentary: 1,000,000 operations, Maintained: 500,000 operations;
• Electrical durability: 100,000 operations;
• LED life (reference value): 50,000 hours;
• Minimum applicable load: 5V AC/DC, 1 mA;

Materials

• Actuator: plastic;
• Bezel: metal or plastic;
• Contacts: Silver or gold-clad silver

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