have a built-in current transformers to metering the large power user
Download fileTechrises prepayment metering unit is equipped with a high precision smart energy meter, which comply with STS standard and have a built-in communication module (optional) for remote reading and controlling, and breaker, current transformers to metering the large power user and can achieve prepayment function. It is ideal product for utilities and distribution companies to reduce energy loss and revenue protection. It is suitable to be used for commercial and industrial projects.
20 digit (Standard Transfer Specification) STS encryption.
Disconnects on overload and no credit.
Programmable power limit and low credit warning.
Tamper detection and event record such as opening cover, reverse connection, black-out.
High accuracy class.
Maximum demand measurement and load profiling (optional).
Easy and quick to install with no need of extra communication devices (optional).
Input payment control elements, such as emergency unit, tariff, free basic unit, repayment, fixed charge, VAT etc. (optional).
4 tariffs /8 time divisions /100 holidays usage recorded on TOU basis (optional).
Flexible AMR AMI setup(optional).
Support built-in communication module(optional).
ITEMS | PARAMETERS |
Nominal voltage (Un) | 3X120/208V,3X220/380V,3x230/400V |
Limited voltage | 70%~120%Un |
Frequency | 50/60Hz±5% |
Tolerance | 5% |
Basic current(Ib) | 1.5A |
Maximum current(Imax) | 6A |
Starting current(Ist) | 30mA |
Active energy constant | 6400imp/kWh |
Active energy to IEC62053‐21 Reactive energy to IEC62053‐23 | Class 0.5s Class 2.0 |
Burden voltage circuit | <2W <8VA |
Burden current circuit | <1VA |
Operation temperature range | 25℃ to+70℃ |
Storage temperature range | 40℃ to+85℃ |
Insulation level | 4kV rms 1min |
Voltage impulse withstand | 8kV 1.2/50 μs |
Insulation System Classification | Class II |
Contact discharge | 8kV |
Air discharge | 16kV |
27MHz to 500MHz typical | 10V/m |
100kHz to 1GHz typical | 30V/m |
Fast transient burst test | 4kV |
Meter shell Protection Rate | IP54 |
Maximum cable size | 10 mm |
Connection diagram | AABBCCNN/ABCNNCBA |
