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This equipment relies on the protective devices in the building installation for short
circuit and over current protection. Refer to the following table for the suitable number
and location of the protective devices which should be provided in the
installation.
Protective devices in single phase equipment
or sub assemblies
Protection
against
Minimum number
of fuses or
circuit breaker
poles
Location
Equiment to be
Earth faults
1
Both conductors
connected to POWER
SYSTEMS with earthed
1
Either of the two
Overcurrent
neutral reliably identified
conductors
Equiment to be
connected to any
supply, including IT
POWER SYSTEMS and
supplies with reversible
Earth faults
2
Overcurrent
1
Both conductors
Either of the two
conductors
Verify that the protective devices in the building installation meets the conditions in the
table prior to installing the equipment.
Содержание CM2096ME
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