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Lightning
protection
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Mounting rail
(for MTUs)
MTU
Connections
58
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Protections are compulsory for all circuits in:
Overhead lines
Cables that leave the general ground line
network
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8‚pr…vt
Ground connection to
cabinet chassis via
mounting screws
Ground connection
Quality
8urpx
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If problems, check R < 100 mΩ,
measured with equipment switched off
and cables disconnected
DIN rail mounting screws (100 mm
pitch) fully tightened
Only correctly made, screwed or
clamped connections are approved
3BSE 020 923R101
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