Installation Conditions - Stahl 8453 serie Betriebsanleitung

Screw terminal

6.2.2 Installation Conditions

Distances, creepage distances and clearances
 When installing components, sufficient creepage distances and clearances must be
left between the individual components, as well as between the components and the
enclosure walls. The values for this can be found in the relevant standards/manufacturer's
specifications.
Distance between the connecting units for intrinsically safe and non-intrinsically safe
electric circuits
 Mount partitions used to separate connection terminals at least 1.5 mm from the
enclosure walls, or alternatively ensure a minimum distance of 50 mm between the
uncoated conducting parts of the connection terminals (when measured in any direction
around the partition)
 Make sure that metallic partitions
• are at least 0.45 mm thick
• are earthed
• are sufficiently strong and rigid
• have sufficient current carrying capacity.
 Make sure that non-metallic, insulating partitions
• are at least 0.9 mm thick
• have the requisite comparative tracking index (CTI). To find out what this should be,
refer to standard IEC/EN 60079-7 and the information on the voltage that occurs
(see chapter "Technical data").
• are reinforced to prevent deformation.
220082 / 8453602300
2019-11-18·BA00·III·en·03
Mounting and Installation
10 - 10,5
[0,39 - 0,41]
Control Unit
Series 8453
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19509E00
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