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Ex approval

PCB terminal blocks and PCB connectors with Ex approval

PCB terminal blocks and PCB connectors with Ex approval

The PCB terminal blocks and PCB connectors range from Phoenix Contact, with Ex approval, is specially designed for use in potentially explosive areas. The products have component approval according to the IEC/EN 60079-0 and IEC/EN 60079-7 standards, which define the requirements for devices in potentially explosive atmospheres.

The use of PCB connections in process technology places higher demands on the following properties:

  • Air clearances and creepage distances
  • Heating response
  • Resistance to aging
  • Insulation capability of insulation materials
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Approval:

Combustible materialGas, vapor, liquid, dust
Type of protectionEx e (increased safety)
Equipment groupII
Equipment category2 GD
Equipment protection levelGb (occasional occurrence of combustible materials)
Gas groupIIC (ignition energy < 60 μJ)
Additional conditionU (component approval, products cannot be operated alone)
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Ex i marking according to IEC/EN 60079-11

For intrinsic safety Ex i protection according to IEC/EN 60079-11, both PCB terminal blocks and PCB connectors with Ex approval and standard products can be used. The setup of intrinsically safe circuits also requires adherence to the specified air clearances and creepage distances. The connection points of these circuits must be clearly marked. Color coding is light blue.

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Marking according to ATEX Directive 94/9/EC

Marking according to ATEX Directive 94/9/EC
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Marking for increased safety Ex e according to EN 60079-0

Marking according to EN 60079-0 for increased safety
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Further information
Certification and approval

PHOENIX CONTACT Ltd

Halesfield 13
Telford
Shropshire
TF7 4PG
0845 881 2222

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