AccuEnergy AcuDC 210 Series, Руководство пользователя

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16
AcuDC 210/220 Series
auxiliary power are 1, 2 and 3 (L, N, G). A switch or circuit-breaker shall be included
in the building installation, in close proximity to the equipment, and within easy
reach of the operator. It shall be marked as the disconnecting device for the
equipment.
A fuse (typical 1A/250Vac) should be used in auxiliary power
supply loop. No.3 terminal must be connected to the ground
terminal of switch gear.
1
2
3
AcuDC 210/220
Power Supply
1A FUSE
G
N
L
Fig 2.8 power supply
Note
Make sure the auxiliary
p owe r te r m i n a l G i s
connected to the earth
ground terminal of the
switch gear.
Note
Make sure the voltage
of power supply is the
same as what the meter
requires for its auxiliary
power.