Air circuit breaker 3WL10
Manual, 11/2017, L1V30499596002-01
169
Service and maintenance
7
7.1
Safety regulations
Only spare parts approved by the manufacturer must ever be used.
The prescribed maintenance intervals and the instructions on repair and replacement must
be complied with to avoid injury to people and damage to equipment.
Safety measures
Before work starts, the following steps must be performed:
1.
Open the circuit breaker (OPEN position).
2.
Discharge the springs (display DISCHARGED).
3.
On the fixed breaker:
Disconnect the circuit breaker from the power system and auxiliary circuit and visibly
ground the connections on the line side and on the load side.
On the withdrawable breaker:
Rack the circuit breaker into the breaker position DISCONNECT. If necessary, secure it
against falling.
Disconnect the guide frame from the power system and auxiliary circuit and visibly
ground the terminals on the line side and on the load side.
Note
Put the circuit breaker into a safe state that corresponds to the applicable standards and
laws.
Qualified personnel
The circuit breaker must only ever be serviced and maintained by qualified personnel. For
the purpose of the safety information in these operating instructions, a "qualified person" is
someone who is authorized to energize, ground, and tag equipment, systems, and circuits in
accordance with established safety procedures.
Содержание SENTRON 3WL10
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Страница 8: ...Table of contents Air circuit breaker 3WL10 6 Manual 11 2017 L1V30499596002 01 ...
Страница 14: ...Introduction 1 3 Safety instructions Air circuit breaker 3WL10 12 Manual 11 2017 L1V30499596002 01 ...
Страница 21: ...Description 2 2 Possible uses and portfolio Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 19 ...
Страница 108: ...Accessories 3 5 Breaker Data Adapters and test devices Air circuit breaker 3WL10 106 Manual 11 2017 L1V30499596002 01 ...
Страница 128: ...Application planning 4 3 Communication planning Air circuit breaker 3WL10 126 Manual 11 2017 L1V30499596002 01 ...
Страница 152: ...Connection and commissioning 5 4 Commissioning Air circuit breaker 3WL10 150 Manual 11 2017 L1V30499596002 01 ...
Страница 170: ...Operation 6 3 Troubleshooting Air circuit breaker 3WL10 168 Manual 11 2017 L1V30499596002 01 ...
Страница 180: ...Technical specifications Air circuit breaker 3WL10 178 Manual 11 2017 L1V30499596002 01 ...
Страница 198: ...Dimension drawings 9 2 Withdrawable breaker Air circuit breaker 3WL10 196 Manual 11 2017 L1V30499596002 01 ...
Страница 199: ...Air circuit breaker 3WL10 Manual 11 2017 L1V30499596002 01 197 Circuit diagrams 10 ...
Страница 212: ...Circuit diagrams Air circuit breaker 3WL10 210 Manual 11 2017 L1V30499596002 01 ...
Страница 230: ...List of abbreviations C 1 Table of abbreviations Air circuit breaker 3WL10 228 Manual 11 2017 L1V30499596002 01 ...
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