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The GSD7666 is used for a wide range of applications, due to an improved dynamic range allowing a basic current of 5 Amp while retaining a maximum current of 80 Amp and extended functional features. It is a compact and keypad-based design in a B58565 standard housing and maintains the rugged RF immunity withstand of 30V/m and IP54 rating, allowing it to be installed in harsh environments.
Main Features
? 20 digit (Standard Transfer Specification) STS encryption
? Detection of significant reverse energy (SRE)
? I EC62056-21 compliant port allowing for easy data interrogation
? Disconnects on overload and no credit
? Dual power source working on both prepaid and credit mode
? Programmable load limit and low credit warning
? Detection and record tamper event such as cover open, reversal, black-out, etc.
? Easy access to 12 months historical consumption data and last 5 token entered
User Benefit
? Easy connection to User Interface Unit (UIU) for
split type applications
? PLC/ RF/ GPRS wireless communication with a
head-end AMR/AMI server
? Time of Use (TOU), multi-tariff, holiday setting.
? Advanced load control and disconnection
features
Parameters:
| Nominal voltage Un | 230V |
| Limited voltage | 70%~120%Un |
| Nominal frequency fn | 50-60Hz |
| Tolerance | 5% |
| Basic current(Ib) | 5A |
| Maximum current(Imax) | 80A |
| Starting current(lst) | 20mA |
| Active energy constant Measurement Accuracy | 1600imp/kWh |
| Active energy to IEC62053 - 21 | Class1.0 |
| Power consumption in Voltage circuit | <2W <8VA |
| Power consumption in current circuit | <1VA |
| Temperature range | |
| Operation | -25C to+70°C |
| Storage | -40C to+85"C |
| Insulation strength | |
| AC Insulation strength | 4kV at 50Hz during 1min |
| Impulse voltage 1 .2/50 μs mains connections | 8kV |
| Electro Magnetic Compatibility | |
| Electrostatic discharges | |
| Contact discharge | 8kV |
| Air discharge | 16kV |
| Electromagnetic RF fields | |
| 27MHz to 500MHz typical | 10V/m |
| 100kHz to 1GHz typical | 30V/m |
| Fast transient burst test | 4kV |
| Mechanical requirements | |
| Meter shell Protection Rate | IP54 |
| Insulation System Classification | Protective Class II |
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