Limitex A Position Limit Switch

The TER Limitex A is an explosion proof cross position limit switch. Designed sturdy and reliable to control the movement of overhead travelling cranes, hoists and complex machine tools operating in potentially explosive areas.

Features of the Limitex A Limit switch:

  • Mechanical life of switches: 10 million operations.
  • Operation frequency: 3000 / 3600 operations/hour
  • IP protection degree: IP66
  • Extreme temperature resistance: -50°C to +55°C
  • G20 cast iron and cross rod support made of galvanised aluminium. Internal components are made of materials that guarantee long mechanical life and continuous performance.
  • It features rugged external enclosure made of a special aluminium alloy with low copper and magnesium content or in AIDI 316 stainless steel (optional) with compact dimensions to ensure reduced overall size.
  • All materials and components used are wear resistant and guarantee protection of the unit against water and dust.

 

Description

The TER Limitex A is an explosion proof cross position limit switch. Designed sturdy and reliable to control the movement of overhead travelling cranes, hoists and complex machine tools operating in potentially explosive areas.

Features of the Limitex A Limit switch:

  • Mechanical life of switches: 10 million operations.
  • Operation frequency: 3000 / 3600 operations/hour
  • IP protection degree: IP66
  • Extreme temperature resistance: -50°C to +55°C
  • G20 cast iron and cross rod support made of galvanised aluminium. Internal components are made of materials that guarantee long mechanical life and continuous performance.
  • It features rugged external enclosure made of a special aluminium alloy with low copper and magnesium content or in AIDI 316 stainless steel (optional) with compact dimensions to ensure reduced overall size.
  • All materials and components used are wear resistant and guarantee protection of the unit against water and dust.

Options:

  • 4 snap action switches with 1 NO + 1NC contacts
  • Cross rods with 4 maintained positions every 90°.

Certifications:

  • CE marking
  • ATEX certification EN 60079-0:2009, EN 60079-1:2007. EN 60079-31:2009
  • Conformity to standards IECEx IEC 60079-0:2011, IEC 60079-1:2007-04 and IEC 60079-31:2008

TER range of control stations includes three series of pushbutton stations for auxiliary control (two pendant control stations and one wall-mounted control station) and one series of pushbutton stations foe direct control, with 1 to 15 actuators depending on the unit requested.
Each project has been developed on the basis of specifications such as technicism, anthropomorphism, futurism and ergonomics to give the control stations an innovative design, where each graphic element is linked to a specific technical function. Dimensions and shapes are the result of careful analysis of the product ergonomic aspects, aimed at achieving a graphic style that blends in with modern industrial environments, making TER control stations extremely handy, user friendly and easy to integrate in the machine. Compact dimensions and antislip grooves on the cases make it easy to handle the control stations under any working conditions.

Each series of control stations has specific features which drastically reduce time and costs for installation and maintenance down time.

TER’s aim is to simplify the control of the machines equipped with its devices, designing reliable, ergonomic and intuitive safety products, capable of predicting the demands of the market and becoming the industry benchmark.
At the basis of this company mission is the will to establish a connection between market and company, by giving an increasingly central role to the sales department, seen as a continuous relationship between TER and its customers.

View more TER Products here.

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• Conformity to ATEX Directives: 2014/34/UE
• Conformity to ATEX standards: EN 60079-0 EN 60079-1 EN 60079-31
• Conformity to IECEx Standards: IEC 60079-0 IEC 60079-1 IEC 60079-31
• ATEX Certification INERIS 11ATEX0057X
• IECEx Certification INE 11.0027X
• Protection modes: Exd IIB T4/T6 Gb / Exd IIC T4/T6 Gb / Extb IIIC Db IP66 T135°C/T85°C
• Operational ambient temperature: -50°C/+55°C
• IP protection degree: IP66
• Insulation category: Class I according to IEC 536
• Conic cable entries: ½” ÷ 1” UNI 6125 GK / ½” ÷ 1” NPT
• Cylindrical cable entries: M20 ÷ 32 x 1,5 ISO 965/1 and ISO 965/3 middle class / ½” ÷ 1” UNI/ISO228
• Operation frequency: 3000 / 3600 operations/ hour max
• Attack speed: Up to 3m/s
• Markings and homologations: CE EC, IEC, IECEx

• Rated thermal current: 10A according to CEI EN 60947-5-1
• Rated insulation voltage: 300V~ (CEI EN 60947-5-1)
• Maximum operating voltage: 500V~
• Nominal intensity: 16A a 250V~
• Mechanical durability: 10x10∧6 operations
• Terminal identification: According to CENELEC EN 50013
• Connections: Screen Connections (Standard) or FASTON
• Wires: 1x2.5 mm, 2x1,5 mm², 2x1.5mm²
• Contacts: 1NO + 1NC snap action
• Contacts material: Silver
• Markings and homologations: CE, CSA, UL, IMQ, UTE, VDE, ASE

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