Electromechanical safety switches according to ATEX directive

Euchner Electromechanical safety switches according to ATEX directive
Euchner

Electromechanical safety switches according to ATEX directive

In potentially explosive atmospheres, according to the ATEX directive and the corresponding standards, special requirements are placed on the equipment used from which an ignition hazard can emanate. Electromechanical safety switches are ATEX devices according to categories 3D/3G and can be used in hazardous zones 2 and 22 (gases or dusts). For explosion protection, electromechanical safety switches are available as position switches, interlocking devices without guard locking or with monitored guard locking. A protective plate included protects the safety switch against impacts on the housing and the ingress of an explosive atmosphere. The extremely sturdy, die-cast alloy housing in conjunction with the high degree of protection IP67 permits use under extreme ambient conditions. The NZ version safety switch – interlocking device of type 1 – has a standardized basic housing according to EN 50 041. The SGA/STA safety switches with separate actuator are mounting compatible with the EUCHNER TP switches available on the market for years.

Features

  • Suitable for use in zones 2 and 22 (gases and dusts)
  • Robust design with additional protective plate
  • NZ1HS / NZ1RS position switch of type 1
  • NZ1VZ / SGA interlocking devices of type 2
  • SGA / STA safety switches with metal head, identical actuators and three cable entries
  • STA guard locking with safe monitoring for the protection of personnel Switching elements with 4 switching contacts
  • Degree of protection IP67

Rating

Brand

Euchner

Electromechanical safety switches according to the ATEX directive are specialized safety devices designed to meet the stringent safety requirements in potentially explosive atmospheres. These safety switches, manufactured in compliance with the ATEX directive, provide reliable protection against the risks associated with explosive environments, such as those found in industries like oil and gas, chemical, pharmaceutical, and mining.
Euchner offers a range of electromechanical safety switches that adhere to the ATEX directive, ensuring their suitability for use in hazardous areas. These safety switches are designed to prevent the ignition of potentially explosive substances by providing a safe and secure means of controlling access to critical equipment and machinery.
The electromechanical safety switches according to the ATEX directive incorporate robust construction and specialized materials to ensure they can withstand the challenging conditions present in explosive atmospheres. They are engineered to be highly resistant to dust, gas, and other potentially ignitable substances, minimizing the risk of sparks or arcs that could trigger an explosion.
In addition to their sturdy design, these safety switches feature various protective mechanisms to enhance safety in explosive environments. They typically include guard locking and guard lock monitoring features to prevent unauthorized access and ensure the correct functioning of the safety switch. These features help to maintain the integrity of the safety system even in harsh and hazardous conditions.
Euchner's electromechanical safety switches according to the ATEX directive undergo rigorous testing and certification to ensure compliance with the ATEX standards. These standards include requirements for explosion protection, electrical safety, and mechanical robustness. By adhering to these standards, these safety switches provide peace of mind and confidence in their ability to operate safely in potentially explosive atmospheres.

Specification Description
Product Name Electromechanical Safety Switches according to ATEX directive
Manufacturer Euchner
Product Type Electromechanical Safety Switch
ATEX Directive ATEX Directive 2014/34/EU
Ex Zones - Zone 1 (Gas)
- Zone 21 (Dust)
Housing Material Metal (Stainless steel or aluminum)
Contact Configuration 2NC + 1NO (2 Normally Closed Contacts + 1 Normally Open Contact)
Switching Voltage Up to 250 V AC/DC
Rated Current Up to 6 A
IP Rating IP67 (Ingress Protection)
Operating Temperature -20°C to +60°C (-4°F to +140°F)
Approvals and Certifications - ATEX (Explosion protection certification)
- IECEx (International Electrotechnical Commission System for Certification to Standards Relating to Equipment for Use in Explosive Atmospheres)
- Ex (Gas and Dust Explosion Protection)
- CE (Conformité Européene)
- SIL 3 (Safety Integrity Level 3)
Mounting Options - Fixing by M6 screws
- Compatible with Euchner's mounting brackets and accessories
Dimensions - Length: Varies depending on the model
- Width: Varies depending on the model
- Height: Varies depending on the model
Weight Varies depending on the model
Additional Features - LED status indicators
- Manual release function
- Adjustable actuator position
- Anti-tamper protection
- Multiple actuator entry directions
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