3WJ Air Circuit breakers
6 Operating Instructions, 12/2022, L1V30828903001-01
Introduction
Scope of validity of this manual
This equipment manual is a reference manual for technical information that users will need
to configure, connect and operate the 3WJ Circuit Breakers and their accessories.
Target readers of this document
The information contained in this manual is provided for the benefit of:
• Planners
• Power distribution equipment manufacturers/builders
• Commissioning engineers
• Users
• Maintenance personnel
Ambient conditions
The Circuit Breakers are designed to be operated in enclosed rooms in which the operating
conditions are not affected by dust or corrosive vapors/gases. Suitable enclosures must be
used in dusty or damp conditions.
1.1 Technical support
You can find further support on the Internet (https://www.siemens.com/support-request).
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