HE2B series

HE2B series View larger

HE2B

New product

The HE2B is part of the enabling switch series. Also known as « Dead-man » or « 3-position safety » switches, the enabling switches allow the operator to work safely on a machine without disabling operation. 




The use of an enabling switch stops the device in the event of a catastrophic failure or unforeseen problem.

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Ergonomics 1

Ergonomics 2

Features

General specification

• Panel cut-out: 70 x 12,2 mm + 2 x Ø3,2 holes;
• 21,2 mm depth;
• Available with or without rubber boot;
• 3 colors of rubber boot available (yellow, black and grey);
• Solder terminals.

Environmental specifications

• Operating temperatures: -25 to +60 °C (no freezing);
• Operating Humidity: 45 to 85% RH (no condensation);
• Degree of protection (IEC 60529) with rubber boot: IP65;
• Vibration resistance : Operating extremes 5 to 55 Hz, amplitude 0,5 mm;
damage limits : 16,7 Hz, amplitude 1,5 mm
• Shock resistance : Operating extremes : 150 m/s²
Damage limits : 1,000 m/s²

Electrical specifications

• Rated insulation voltage (Ui): 250 V;
• Rated thermal current (Ith): 3 A;
• 2 x 3-position contacts;
• Additional monitoring contacts available (max. 2);
• Contact resistance: 50 mohm max. (inital value);
• Insulation resistance: 100 Mohm max. (500V DC megger);
• Impulse withstand voltage: 2,5 kV;
• Mechanical durability: 1,000,000 operation min. (pos. 1-2-1) and 100,000 operation min. (pos 1-2-3-1);
• Electrical durability: 100,000 operation min.;
• Minimum applicable load (3-pos. switch): 5V AC/DC, 1 mA;

Materials

• Actuator: plastic
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