Switches are designed to automatically control processes by switching control circuits for moving parts of mechanisms. The purpose of the limit switches involves operation at certain intermediate points along the travel path, and the limit switches operate at the extreme points: at the beginning and end of the path.
The design of the equipment and their components is designed for reliable and safe operation for the consumer and others, subject to normal operation.
The drive mechanism is a separate unit of the switch and does not affect the explosion protection parameters, which makes it possible to change this part. The drive mechanism has the following types: lever, spindle, push-button, etc.
The products have types of explosion protection “Exd” according to GOST IEC 60079-1-2013, “Ext” according to GOST IEC 60079-31-2013 belong to electrical equipment of groups II and III according to GOST 31610.0-2014 (IEC 60079-0:2011) and are intended for for use in hazardous areas indoors and outdoors in accordance with explosion protection markings. Switches also belong to group I and are used in mines, shafts and their surface structures. The equipment is used in hazardous areas of class 1 and 2 according to GOST IEC 60079-10-1-2011, GOST 31439-2011 (EN 1710:2005). The environment may contain explosive mixtures of gases, vapors with air of categories IIA, IIB, IIC and dust IIIC according to GOST IEC 60079-31-2013.
Housing material | Aluminium alloy | |
Explosion protection marking | 1Ex db IIС T6 Gb / Ex tb IIIС T80°С Db | |
Shell protection degree according to GOST 14254-2015 | IP66 | |
Temperature class of equipment | T6 | |
Ambient temperature under operating conditions | -60 0 С<Та<+65 0 С | |
Contact type | NZxNZ NZxNO HOXNO | |
Rated operating voltage, V | AC voltage | 240 AC |
Constant pressure | 250 DC | |
Rated operating current, A | With alternating voltage | 3 AC |
At constant voltage | 0.27DC | |
Weight without cable entry, no more, kg. | Aluminium alloy | 2.5 |
Stainless steel | 4.8 |
Symbol structure:
CPV | – | Х1Х2 | ||
| | | | |||
| | └ | – Design depending on the drive device (version 01; version 02; version 03; version 04; version 05, etc.). | ||
└ | – Series name. |