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Introduction and Safety
Introduction
The GM family of 5-15kV Metal-Clad Switchgear is designed
to meet all the applicable ANSI, NEMA and IEEE standards.
Successful application and operation of this equipment depends
as much upon proper installation and maintenance by the user
as it does upon the careful design and fabrication by Siemens.
The purpose of this Instruction Manual is to assist the user in
developing safe and efficient procedures for the installation,
maintenance and use of the equipment.
Contact the nearest Siemens representative if any additional
information is desired.
Hazardous voltages and high-speed moving parts.
Will cause death, personal injury or property
damage.
To avoid electrical shock, burns and entanglement
in moving parts this equipment must be installed,
operated and maintained only by qualified persons
thoroughly familiar with the equipment, instruction
manuals and drawings. Read and understand this
instruction manual before using equipment.
Qualified Person
For the purpose of this manual a Qualified Person is one who
is familiar with the installation, construction or operation of the
equipment and the hazards involved. In addition, this person
has the following qualifications:
• Training and authorization to energize, de-energize, clear,
ground and tag circuits and equipment in accordance with
established safety practices.
• Training in the proper care and use of protective equipment
such as rubber gloves, hard hat, safety glasses, face shields,
flash clothing, etc., in accordance with established safety pro-
cedures.
• Training in rendering first aid.
Signal Words
The signal words "Danger", "Warning" and "Caution" used
in this manual indicate the degree of hazard that may be
encountered by the user. These words are defined as:
Danger - Indicates an imminently hazardous situation
which, if not avoided, will result in death or serious injury.
Warning - Indicates a potentially hazardous situation which, if
not avoided, could result in death or serious injury.
Caution - indicates a potentially hazardous situation which,
if not avoided, may result in minor or moderate injury.
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DANGER
Dangerous Procedures
In addition to other procedures described in this manual as
dangerous, user personnel must adhere to the following:
1. Always work on de-energized equipment. Always de-
energize a breaker, and remove it from the switchgear
before performing any tests, maintenance or repair.
2. Always perform maintenance on the breaker after the
spring-charged mechanisms are discharged.
3. Always let an interlock device or safety mechanism per-
form its function without forcing or defeating the device.
Field Service Operation
Siemens can provide competent, well-trained Field Service
Representatives to provide technical guidance and advisory
assistance for the installation, overhaul, repair and mainte-
nance of Siemens equipment, processes and systems.
Contact regional service centers, sales offices or the factory
for details, or telephone Siemens Field Service at 1-800-241-4453.
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