25 – 1
25 Primary injection testing
Qualified Personnel
For the purpose of this instruction manual and these product labels, a "qualified person" is one who is familiar with the installation, construc-
tion and operation of the equipment and the hazards involved and who,
in addition, has the following qualifications:
a) Is trained and authorized to energize, de-energize, clear, ground and label circuits and equipment in accordance with established
safety practices.
b) Is trained in the proper care and use of protective equipment in accordance with established safety practices.
c) Is trained in administering first aid.
Observe Circuit Breaker Settings
The WL circuit breaker ships from the factory with the lowest possible settings. For exisiting circuit breaker installations, it is important to
notice and take record of all customer settings of the circuit breaker before performing any testing. These settings should be restored at the
conclusion of all inspection and testing.
Proper handling of WL Circuit Breakers
It is important to adhere to all rigging and transportation requirements for Siemens type WL circuit breakers (page 4-1).
DANGER
Hazardous voltage.
Will cause death, serious personal injury, or equipment/property damage.
Turn off and lock out all power supplying this equipment before working on this device.
Only qualified personnel should work on this equipment, after becoming thoroughly familiar with all warnings, safety
notices, and maintenance procedures contained herein and on the devices.
The successful and safe operation of this equipment is dependent on proper handling, installation, operation and
maintenance.
CAUTION
Fragile Assembly
Finger Clusters may become damaged or disassembled. Connection may overheat and cause property damage.
Do not rest breaker on finger clusters; avoid impact to finger clusters.
Do not insert busbars wider than 0.40 inch [10 mm] into the finger clusters for the following circuit breaker frames:
WLN2A308, WLN2A316, WLS2A308, WLS2A316, WLS2D308, WLS2D312, WLS2D316, WLH2A308, WLH2A316, WLH2S308,
WLH2S316, WLH2Z308, WLH2Z316, WLL2A308, WLL2A316, WLL2D308, WLL2D312, WLL2D316
Do not insert busbars wider than 0.59 inch [15 mm] into the finger clusters for the following circuit breaker frames:
WLS1D308, WLS1D312, WLS1D316, WLS1D320, WLL1D308, WLL1D312, WLL1D316, WLL1D320, WLL1Z308, WLL1Z312,
WLL1Z316, WLL1Z320, WLN2A320, WLS2A320, WLS2D320, WLH2A320, WLH2S320, WLH2Z320, WLL2A320, WLL2D320,
WLF2A308, WLF2A316, WLF2A320, WLF2S308, WLF2S316, WLF2S320
Do not insert busbars wider than 1.18 inch [30 mm] into the finger clusters for the following circuit breaker frames:
WLN2A332, WLS2A332, WLS2D330, WLH2A332, WLH2S332, WLH2Z325, WLH2Z330, WLL2A332, WLL2D330, WLC2D308,
WLC2D312, WLC2D316, WLC2D320, WLC2D325, WLC2D330, WLL3A340, WLL3A350, WLL3S340, WLL3S350, WLL3D340,
WLL3D350, WLL3Z340, WLL3Z350, WLF3A332, WLF3A340, WLF3A350, WLF3S332, WLF3S340, WLF3S350, WLM3A340,
WLM3A350, WLC3D340, WLC3D350.
Visually inspect all finger clusters prior to installing drawout circuit breakers.
Do not energize a circuit breaker with a damaged finger cluster assembly.
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