1.Large four-line seven-digit display (9.7 H x 5 W mm) with quadrant identification section and bar graph for instantaneous power-level indication
2.High accuracy: Class 0.2s, 0.5s, 1.0
3.Average THD measurement for voltage, current and power, up to 31st harmonic
4.Measurement selection (star or delta/ 3P4W or 3P3W)
5.Modbus communication via RS-485 port/ethernet
6.True root-mean squared (RMS) metering
7.Calibration LED for accuracy test on site
8.Wide and configurable current range 1-2A and 5-10A
9.Wide-range auxiliary power supply, suitable for high-voltage or low-voltage installations
10Maximum demand recording
11.Midnight snapshot (values) for selected energy registers
12.Scroll-lock and 'Favourites Page' display support
13.Expansion capability via add on modules for analogue outputs or pulse inputs/outputs and ethernet
14.Password protection for setup mode
15.Ethernet gateway module for easy integration of multiple meters connected over RS485 network
1. Easy interface with external devices through built-in Modbus (RS-485/Ethernet)
2.Detachable connectors for easy installation
3.Diagnostics assistance on display
4.Suitable for star or delta connections and for low or highvoltage applications
5.Cost-effective online monitoring
6.Field-configurable CT/PT primary and secondary values using push-buttons
7.Commercial and industrial sub-metering and energy management (EMS) applications.
8.Building management and monitoring systems (BMS)
9.High, medium and low-voltage switchgear panels
10.Control and relay panels
11.Power Control Centre (PCC) panels
12.Motor Control Centre (MCC) panels
13.Relaying and control outputs
14.Plant automation and monitoring system (SCADA/DAS)
Electrical
Connection type Common product for HT3/ HT4/ LT4 application
Voltage range :
Measurement voltage range 57.7 V (100V) - 240 V (415 V) AC 3 phase 4 wire (3 phase 3 wire)
Tolerance -30% to +20% of Vn
Aux power supply range 80 - 300 V AC/DC or 24 - 60 V DC (Variant)
Current range Available 1-2A and 5-10 A in single variant (field configurable)
Main frequency 50/60Hz with ±5%
Accuracy Class 0.2s, 0.5s, 1.0
Burden Aux burden : 3.5 VA; 8VA when all modules connected.
Current ckt burden : 1 A - 0.05VA per phase, 5 A - 0.25 VA per phase.
Voltage ckt burden : 0.15 VA per phase.
Short time over current 20 x Imax for 1 sec., 10 x Imax for 3 sec., 7 x Imax for 10 sec.
Approvals
Standards IS13779, IS14697, IEC62052-11, IEC62053-21, IEC62053-23, IEC62053-22, IEC61010, IEC62053-31
Mechanical
Dimensions (WXHXD) 96 x 96 x 65 mm (w/o module);
96 x 96 x 110 mm (with module)
Cut out size 92 x 92 mm
Weight 0.5 kg (approx)
Enclosure FRPC
Terminals Combicon connector 2
Max conductor size 2.5 mm
Environmental
Ingress protection IP 54 (front fascia); IP20 (at terminals)
Insulation 4 kV RMS 50 Hz, 1 minute Impulse withstand 6 kV
Temperature -20 °C to +60 °C (operating)
-25 °C to +80 °C (storage)
Humidity 95% non-condensing
Feature
Favourite page On / Off
CT/VT primary Configurable in field through keypad
Communication RS485 Modbus half duplex (Default) and data will be available in floating point format (IEEE754)
Baud rate From 1200-38400 bps (Default 9600 bps)
Load survey 40 days for 6 parameters @ 30 minutes integration period
Options for 15 or 60-minute integration period.
Modules
2 Digital pulse input and output (single module) Input supports voltage range of 8-40VDC with pulse duration of 5 ms for
input 1 and
40 ms for input 2. Output are normally open type, voltage rating of 230 V AC
@ 100 mA
or 48 V DC @ 100 mA with pulse width of 80 ms or 240 ms
Ethernet 10/100base-T for Modbus over TCP/IP communication
4 analogue outputs Analogue output supports current range of 4-20 mA non-isolated with loop impedance
750 Ω, auxiliary supply 20-40V DC @ 100 mA
Electrical
Connection type Common product for HT3/ HT4/ LT4 application
Voltage range :
Measurement voltage range 57.7 V (100V) - 240 V (415 V) AC 3 phase 4 wire (3 phase 3 wire)
Tolerance -30% to +20% of Vn
Aux power supply range 80 - 300 V AC/DC or 24 - 60 V DC (Variant)
Current range Available 1-2A and 5-10 A in single variant (field configurable)
Main frequency 50/60Hz with ±5%
Accuracy Class 0.2s, 0.5s, 1.0
Burden Aux burden : 3.5 VA; 8VA when all modules connected.
Current ckt burden : 1 A - 0.05VA per phase, 5 A - 0.25 VA per phase.
Voltage ckt burden : 0.15 VA per phase.
Short time over current 20 x Imax for 1 sec., 10 x Imax for 3 sec., 7 x Imax for 10 sec.
Approvals
Standards IS13779, IS14697, IEC62052-11, IEC62053-21, IEC62053-23, IEC62053-22, IEC61010, IEC62053-31
Mechanical
Dimensions (WXHXD) 96 x 96 x 65 mm (w/o module);
96 x 96 x 110 mm (with module)
Cut out size 92 x 92 mm
Weight 0.5 kg (approx)
Enclosure FRPC
Terminals Combicon connector 2
Max conductor size 2.5 mm
Environmental
Ingress protection IP 54 (front fascia); IP20 (at terminals)
Insulation 4 kV RMS 50 Hz, 1 minute Impulse withstand 6 kV
Temperature -20 °C to +60 °C (operating)
-25 °C to +80 °C (storage)
Humidity 95% non-condensing
Feature
Favourite page On / Off
CT/VT primary Configurable in field through keypad
Communication RS485 Modbus half duplex (Default) and data will be available in floating point format (IEEE754)
Baud rate From 1200-38400 bps (Default 9600 bps)
Load survey 40 days for 6 parameters @ 30 minutes integration period
Options for 15 or 60-minute integration period.
Modules
2 Digital pulse input and output (single module) Input supports voltage range of 8-40VDC with pulse duration of 5 ms for
input 1 and
40 ms for input 2. Output are normally open type, voltage rating of 230 V AC
@ 100 mA
or 48 V DC @ 100 mA with pulse width of 80 ms or 240 ms
Ethernet 10/100base-T for Modbus over TCP/IP communication
4 analogue outputs Analogue output supports current range of 4-20 mA non-isolated with loop impedance
750 Ω, auxiliary supply 20-40V DC @ 100 mA
