PMAC 770/ 770-DR Multifunction Power Meter
Product Description
Suit for LV/ HV voltage system
- For low voltage system, direct connect up to 690 V (L-L) AC
- For high voltage system, support connect up to 65kV
Multiple Communication
- BACnet MS/TP Protocol (RS485 port)
- MODBUS-RTU Protocol (RS485 Port)
- MODBUS-TCP/IP Protocol (Ethernet port )
Ture-RMS measuring parameter
- True-RMS measuring parameters includes:
U, I, P, Q, S, PF, F, kWh, kvarh, kVAh
64M bit Memory, Build-in Web
- Real-time data inquiry by Web Save
- monitoring data (Time interval settable 1min, 5 min, 10min,15min, 30min)
- Support FTP for download memory data
64M bit Memory, Build-in Web
- Real-time data inquiry by Web Save
- monitoring data (Time interval settable 1min, 5 min, 10min,15min, 30min)
- Support FTP for download memory data
Power quality analysis
- 31st Harmonic analysis, K factor, unbalance etc.
TOU (Multi-tariff billing), historical data of 31 days and 12 months
- TOU, 4 tariffs, 8 time period in 24 hours
Connection mode | 3-phase 3-wire, 3-phase 4-wire, 1-phase 2-wire |
Metering | True RMS, 1 sec refresh time |
Power loss | <5VA |
IP index | IP52 (front panel) and IP30 (case) |
Power frequency withstand voltage | AC 2KV/minute |
Insulation resistance | ≥50MΩ |
Impulse withstand voltage | 4kV (peak), 1.2/50uS |
Status input | Wet contact, external power supply |
Relay output | Node capacity: 250VAC/5A |
Input | Rate current: 1A or 5A
Rate voltage: Direct 120, 220V, 240V, 277V, 398Vph-N (optional) PT secondary: 1~398V (settable) Frequency: 50/ 60Hz |
Overload | 120% of rated, continuously
Instantaneous current: 10 times/ sec Instantaneous voltage: 2 times/ sec |
Pulse output | Pulse constant: 1000~9999 programmable
Pulse width: 60~100ms programmable Formula: 1 pulse = (1÷ pulse constant ×PT ×CT) kWh |
Power supply | 85 ~ 265VAC,85 ~ 265VDC (When select P1)
100 ~ 420VAC, 100 ~ 400VDC (When select P2) |