Three Phase Meters



NHP’s range of three-phase meters offer a cost effective, easy to install options for basic energy monitoring.

CT connect metersDirect connect metersNMI pattern approved meters

Features and Benefits
  • Compact 4 DIN Size
  • Options for basic energy monitoring or billing purposes
  • Direct and CT connect options available for application flexibility
  • Easy to connect split and solid core CTs saving on installation and setup time.

CT Connect Meters:

The EM210 and EM270 Series have the flexibility to be DIN or panel mounted. With easy to connect CTs they can monitor 2 x three phase or 6x single phase circuits. Split core easy to connect CTs also available for retrofit applications.


EM210

1PH/3PH CT Connect Energy Meter/Analyser


Connection type:

Various including CT 5A, 333mV (CTV series 60-800A), Rogowski coil (ROG4X up to 4000A)

System Variables:

kWh, kVArh, V, A, W/VA/Var, PF, Hz, THD (15th harmonic), phase-sequence


Active energy accuracy / IEC 62053-21:

Class 1

Four Quadrant monitoring:

Yes


Comms enabled

Yes (Modbus RTU)

Other:

1x Pulse output



EM270/EM271

1PH/3PH Quick-fit Energy Meters


Connection type:

EM270 – 2x Solid Core Easy connect CTs – 160A, 250A or 630A. EM271 – 2x Split Core Easy connect CTs – 100A, 200A, 400A

System Variables:

kWh, kVArh, V, A, W/VA/Var, PF


Active energy accuracy / IEC 62053-21:

Class 1

Four Quadrant monitoring:

Yes


Comms enabled

Yes (Modbus RTU)

Other:

2x Pulse output (option)



EM530

3PH CT Connect Energy Meter/Analyser


Connection type:

5A CT

System Variables:

kWh, kVArh, V, A, W/VA/Var, PF, Hz, THD (15th harmonic), phase-sequence


Active energy accuracy / IEC 62053-22:

Class 0.5S

Four Quadrant monitoring:

Yes


Comms enabled

Yes (Modbus RTU)

Other:

1x digital input


Direct connect Meters:

For applications where CTs are not required, the direct connect meters offer three-phase monitoring for up 100A.


CONTO D6

100A 3PH Direct Connect Energy Meter


Connection type:
Direct Connect
System Variables:
kWh, kVArh, V, A, W/VA/Var, PF, Hz

Active energy accuracy / IEC 62053-21:
Class 1
Four Quadrant monitoring:
Yes

Comms enabled:
Yes (Modbus RTU option)
Other I/O:
2 x Tariff Management


EM540

65A 3PH Direct Connect Energy Meter/Analyser

Connection type:
65A Direct Connect
System Variables:
kWh, kVArh, V, A, W/VA/Var, PF, Hz, THD (15th harmonic)

Active energy accuracy / IEC 62053-21:
Class 1
Four Quadrant monitoring:
Yes

Comms enabled:
Yes (Modbus RTU option)
Other I/O:
1x digital input

NMI Pattern Approved Meters:

Our EM24 meter range also offers a CT connected NMI approved version, suitable for billing purposes.


EM24DIN

NMI Approved 3PH CT Connect Energy Meter


Connection type:
5A CT Connect
System Variables:
kWh, kVArh, V, A, W/VA/Var, PF, Hz

Active energy accuracy / IEC 62053-21:
Class 1
Four Quadrant monitoring:
Yes

Comms enabled:
Yes (Modbus RTU option)
Other I/O:
3x inputs

X
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