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Chengdu Shanrong Electromechanical Equipment Co., Ltd
Selection and installation of EUCHNER travel switch
NegotiableUpdate on 05/06
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Overview
The common feature of selecting and installing EUCHNER travel switches for all safety switch components is that at least one switch contact is designed as a forward drive contact. $r $n $r $n usually uses two forward drive contacts, utilizing the principle of repetitive design (redundancy) to improve safety. This $r $n $r $n dual channel design ensures that interlocking can still be provided through the channel in the event of a channel failure or control circuit (such as machine wiring) failure.
Product Details
Selection and installation of EUCHNER travel switch
In actual production, the travel switch is installed in a pre arranged position. When the module installed on the moving parts of the production machinery collides with the travel switch, the contact of the travel switch moves, realizing the switching of the circuit. Therefore, a travel switch is an electrical device that switches circuits based on the travel position of moving parts, and its working principle is similar to that of a button.
The travel switch can be installed on relatively stationary objects (such as fixed frames, door frames, etc., referred to as static objects) or moving objects (such as vehicles, doors, etc., referred to as animals). When an animal approaches a still object, the connecting rod of the switch drives the contact of the switch to open or close the closed contact. Control the operation of circuits and mechanisms by changing the on/off state of switch contacts.
hedgingmax. 8 A gG
Connecting cross-sections0.34 . .. 1.5 mm²
Rated insulation voltage Ui250 V
Storage temperature-25 . .. 80 °C
mechanical life30 x 10 ⁶
Switching principleQuick acting switch contacts
The interchangeability with mechanical single limit switches means that the machine can be directly modified. Therefore, the switch can be retrofitted on existing machines to fully utilize the benefits of non-contact installation.
The contact includes two ferromagnetic contact glass bulbs. When the contact is placed in a magnetic field, it adopts opposite polarity and closes. Suitable for EGT series with contacts.
Positive drive contacts are used in some switching components. These are special switch contacts designed to ensure that the switch contacts always reliably separate. Even if the contacts are welded together, the connection will still be driven by force.
protection levelIP67
Plunger spacing12 mm
ambient temperature-5 . .. 80 °C
Rated impulse voltage Uimp2.5 kV
Travel switches are widely used in various machine tools and lifting machinery to control their travel and provide terminal limit protection. In the control circuit of the elevator, the travel switch is also used to control the speed of opening and closing the car door, the limit of automatic door opening and closing, and the upper and lower limit protection of the car.
Selection and installation of EUCHNER travel switch
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