18
Specification name Specification value Note
Average service life 30 years
Meter cover and terminal block cover
opening control
Meter cover and terminal
cover opening logs
Protection against unauthorized access
Meter password,
hardware lock
Maximum relay current during the turn-
off (turn-on) operation, does not exceed
1.1·Imax А
Switching wear resistance of relay
contacts
5000 cycles
2.8 Meter design
The meter design complies with the requirements of IEC 62052-11:2003 and the manufacturer’s drawings.
The meter is made in a plastic case.
The appearance of the meter is given in Annex B.
In general, the meter body consists of two parts, upper and lower, mating along the perimeter, a transparent window
and a removable transparent terminal cover.
On the front panel of the meter, there are the following:
• liquid crystal indicator;
• one indicator of active energy metering and one indicator of reactive energy metering. The indicators operate at the
frequency of the main transmitter. The indicators can be used to calibrate the meter.
• indicator of functioning;
Table 2.4 (continued)
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