SGM3000 Series Smart Meters
User Manual
Restricted
GEH-7111-1.00-2
59
Table 6 SGM3000 Voltage Ranges 230 V ±20%
Reference Voltage
Voltage Limits
–20%
+20%
220 V
176
264
230 V
184
276
240 V
192
288
Relay Status
The state of the relays is visible at all times to the user when viewing the face of the meter.
The SGM3000 Series meters have a physical indicator visually informing whether the main
supply relay is open or closed or whether the meter is armed ready for closing of the main
supply relay. The main supply open/close indicator is visible at all times.
The SGM3000 Series meters have physical indicators visually informing whether the auxiliary
load control relays are open or closed. The auxiliary load control open/close indicators are
visible at all times.
The SGM3000 Series meters support communication of the state (open, closed, or armed) of
the main supply relay either locally via MeterMate of the state or remotely via the AMI
interface.