English 
Function Features
● Adopts 22 AD for achieve electric parameter measurement, electric energy metering, wide dynamic range, high accuracy.
● Electric parameter over-limit alarm monitoring, alarm output relay association.
● Support 2-channel DI/DO,1 channel electric energy pulse output.
● Support MODBUS-RTS standard protocol, RS485 communication.
Series Model
● PMC72S-I Three-phase digital current meter.
● PMC72S-U Three-phase digital voltage meter.
● PMC72S-P Three-phase digital power meter.
● PMC72S-C Three-phase digital power factor meter.
● PMC72S-Z Three-phase electric monitoring meter.
● PMC72SL-I Three-phase LCD screen current meter.
● PMC72SL-U Three-phase LCD screen voltage meter.
● PMC72SL-P Three-phase LCD screen power meter.
● PMC72SL-C Three-phase LCD screen power factor meter.
● PMC72SL-Z Three-phase electric monitoring meter.
Applications
● Industrial distribution automation system.
● Power plant auxiliary system.
● Substation automation system.
● Energy management system.
● Intelligent mansion electrical engineering.
● Switch gear of high & low voltage.
Function Features
| Product Model | PMC72L-Z PMC72-Z | PMC72L-C PMC72-C | PMC72L-P PMC72-P | PMC72L-U PMC72-U | PMC72L-I PMC72-I |
| Instantaneous real virtual value | |||||
| Current Single phase & neutral line | ◆ | ◆ | ◆ | ||
| Voltage Line/line & Phase/line | ◆ | ◆ | ◆ | ||
| Frequency | ◆ | ||||
| Active power 3-phase & Single phase | ◆ | ◆ | |||
| Reactive power 3-phase & Single phase | ◆ | ||||
| Power factor 3-phase & Single phase | ◆ | ◆ | |||
| Energy | |||||
| Active energy 1 channel pulse output | ◆ | ||||
| Reactive energy | ◆ | ||||
| Communication | |||||
| MODBUS-RTU protocol | ◆ | ◆ | ◆ | ◆ | ◆ |
| Display | |||||
| LCD or Digital display | ◆ | ◆ | ◆ | ◆ | ◆ |
| Other | |||||
| Support program online upgrade | ◆ | ◆ | ◆ | ◆ | ◆ |
| Optional function | |||||
| 1 channel RS485 | ◆ | ◆ | ◆ | ◆ | ◆ |
| 2-channel DI | ◆ | ◆ | ◆ | ◆ | ◆ |
| 2-channel DO | ◆ | ◆ | ◆ | ◆ | ◆ |
| 2-channel limits alarm | ◆ | ◆ | ◆ | ◆ |
| Electrical Characteristics | ||
| Measurement type | Three-phase three-wire AC system Three-phase four-wire AC system | |
| Sampling rate: 64 times per cycle | ||
| Data refresh rate | 1S | |
| Measurement Accuracy | Current | 0.5% |
| Voltage | 0.5% | |
| Power | 0.5% | |
| Frequency | 0.05Hz | |
| Active Energy | 1.0% | |
| Reactive Energy | 2.0% | |
| AO | 1% | |
| Input voltage characteristics | Measuring voltage | 3 X 220/380V(connected directly) 3 X 57.7/100V(connected by CT) |
| Allowed load | 1.2 times / continuous | |
| Input impedance | 1.8MΩ | |
| Input current characteristic | Measuring current | 5A or 1A (connected by CT) |
| Allowed load | 1.2 times / continuous | |
| Input impedance | <0.1Ω | |
| Binary input | Working voltage | Passive dry contact（built-in+15VDC power supply） |
| Input impedance | 5KΩ | |
| Isolation voltage | 2KV | |
| Relay output | Node type | Mechanical shock |
| Node capacity | 220 VAC/5A 30 VDC/5A | |
| Working power supply | AC | 85~265 VAC/45-65Hz |
| DC | 100~300 VDC | |
| Power dissipation | < 3W | |
| Mechanical Properties | ||
| Weight | 0.5kg | |
| IP protection grade | Panel IP52, body IP30 | |
| Size | 72X 72 X 95mm | |
| Operating temperature | -10~55℃ | |
| Storage temperature | -20~70℃ | |
| Relative humidity | 5% - 90%RH, No condensation | |
| EMC | ||
| Electrostatic discharge interference | IEC 61000-4-2, Level 4 | |
| Group of anti-fast transient pulse | IEC 61000-4-4, Level 4 | |
| Anti-impact | IEC 61000-4-5, Level 3 | |
| Anti-frequency magnetic field | IEC 61000-4-8, Level 3 | |
| Electrical insulation performance | ||
| Insulation resistance | GB/T13729, >50MΩ | |
| Frequency withstand voltage | GB/T13729, AC 2KV 50Hz /1min | |
| Impulse voltage | GB/T13729, 5KV, 1.2/50us | |
| SPECIFICATION: PMC72A-B-C-D-E-F | |
| A Model specification: | |
| PMCL | LCD Display |
| PMC72 | Digital Display |
| B Means type | |
| I | 3-Phase current meter |
| U | 3-Phase voltage meter |
| P | 3-Phase power meter |
| C | 3-Phase power factor meter |
| Z | 3-Phase power monitoring meter |
| C Means Rated measurement voltage, current | |
| 1 | 57.7/100V, 5A |
| 2 | 57.7/100V, 1A |
| 3 | 220/380V, 5A |
| 4 | 220/380V, 1A |
| D System frequency | |
| 1 | 50Hz |
| 2 | 60Hz |
| E Working power supply | |
| 1 | 100~300VDC, 85~265VAC/45~65Hz |
| F Optional function | |
| S | 2-Channel Binary Input |
| R | 2-Channel Relay Output |
| C | 1 Channel RS485 |
