2.2.3 Incoming panel
The incoming panel is a circuit-breaker panel intended to
provide isolation from the power supply.
2.2.4 Outgoing panel
The outgoing panel is a circuit-breaker panel intended to
provide consumers with energy, offering short-circuit
protection and switching of the circuit.
2.2.5 Metering panel
(Client-specific)
A metering panel allows current and voltage
measurement on the busbar side. The metering panel
may be linked to the bus-section panel.
2.2.6 Contactor panel
The contactor panel provides for motor starting duty. The
contactor can be a latched type for continuous supply to
transformers and or Power Factor Correction Capacitor
unit. The contactor panel includes a withdrawable
contactor unit with main fuses mounted on the
withdrawable cradle.
2.3 Equipment safety
This paragraph contains a description of the safety
provisions on the switchgear and directions on how to
deal with them.
2.3.1 Safe operation
Competence
Only expert personnel and specialist operators must
operate the equipment.
Conditions
The installation may only be operated if the operating area
complies with the requirements of the IEC 62271-1
standard, paragraph 2.1.1.
Additional conditions may also apply. These are laid down
in the operating instructions, which relate specifically to a
particular installation. The operating instructions are
included in the information pack, which includes this
manual
Actions not described in this manual
Operating or maintenance actions not described in this
manual may be required:
Actions, which are specific to a particular installation,
are described in the operating instructions supplied
with it. See the information pack, which includes this
manual
Actions, which are not described at all, must only be
carried out in consultation with an Eaton specialist.
The instructions of this specialist must be followed
exactly.
Special safety measures
In general it will not be necessary to take special safety
measures when operating the switchgear. It is advisable,
however, to wear suitable ear protection when there is
repeated switching.
2.3.2 Safety features
The switchgear may be provided with the following safety
features:
A sheet steel enclosure to protect against contact
with live components.
Compartments with earthed steel walls.
Automatic metallic shutters shielding live parts when
a switch is withdrawn.
Pressure relief valves for the safe discharge of
overpressure inside the enclosure in the event of
arcing.
Internal arc classification testing has been conducted
and an arc channel provided to allow the safe
exhaust of gasses outside of the switchroom.
Mechanical and electrical interlocks to prevent
unintentional switching.
Provision for locating locks on the switches, earthing
switches and automatic shutters.
Visible separation between switch, cable and busbar
(the separation is visible on a withdrawn switch).
Visible direct status indication of the earthing switch
Special equipment intended for the earthing of cables
and busbars.
A continuous earthing busbar extending the full
length of the installation.
Locks on panel doors.
Warnings on equipment to alert personnel to possible
dangers (see also par. 2.3.4).
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