147234 / 8146655300
2018-08-16·BA00·III·en·03
Parameterization and Commissioning
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Motor Protection Circuit Breaker
Series 8146/5-V27
8
Parameterization and Commissioning
Before commissioning, ensure the following:
• Check the mounting and installation.
• Inspect enclosure for damage.
• If necessary, remove foreign bodies.
• If necessary, clean the connection chamber.
• Check whether the cables have been inserted correctly.
• Check if all screws and nuts have been tightened firmly.
• Check whether all the cable entries and stopping plugs have been tightened firmly.
• Check whether all conductors have been clamped firmly.
• Check whether all covers and partitions for live parts have been installed and fastened.
• Seal unused cable entries using plugs with a respective certification and unused holes
with stopping plugs certified for the respective type of protection.
• Check the tightening torques.
8.1
Adjust the Thermal Overcurrent Release
9
Operation
The motor protection circuit breaker protects electric motors against thermal overload
as a result of mechanical overload or if one or two line conductors fail.
DANGER
Explosion hazard due to incorrect installation!
Non-compliance results in severe or fatal injuries.
• Check the device for proper installation before commissioning.
• Comply with national regulations.
11478E00
• Adjust the current value using a
screwdriver. To do so, turn the open
side of the slit to the desired current
value (example in drawing: 6.3 A).
• Check the tripping behaviour if the
ambient temperature values are
outside the specifications
(refer to "Technical data") or deviate
between motor and moulded case
circuit breaker. Then adapt the current
setting.
