Overview
The UNP02S is a new-generation three-phase CT connected smart meter of the Tiangong series, which delivers high-precision metering with class 0.2S active and class 0.5S reactive accuracy, features a wide operating voltage range and complies with the latest IEC/EN 2020 standards.
Seamlessly integrates with Goldcard Power’s AMI system and third-party management systems, it is widely applicable to large commercial and industrial scenarios such as factories and office buildings, as well as boundary metering scenarios at substation points in power grid.
Highlight
Dual Protocol,Multi-communication
With pluggable GPRS/4G module and RJ45 Ethernet interface, supports DLMS and IEC61850 dual communication protocols to connect AMI metering and SCADA distribution monitoring systems.
10-Digit Large LCD Display
Equipped with a 10-digit large LCD display to fulfill the billing data display for large consumption users.
Expandable Prepaid Function
With split CIU human-computer interaction units and external circuit breaker control to meet prepaid applications.
Technical Specification
| Meter model | UNP02S |
| Operating Voltage | 3*57.7/100V - 3*230/400V |
| Voltage range | 0.7 Un ~ 1.2 Un |
| Current rating | 1(6)A, 1(10)A, 5(6)A, 5(10)A |
| Starting current | 0.1% of In |
| Frequency | 50/60Hz ±5% |
| Degree of protection | IP54 |
| Insulating class | Class II |
| Connection type | 3P4W, 3P3W CT or CTPT |
| Accuracy Class | Active Energy: CL 0.2S/0.5S/C 10000 imp/kWh Reactive Energy: CL 0.5/1.0/2.0 10000 imp/kvarh |
| Communication interface | Optical port/RS485 GPRS/2G/4G/Ethernet |
| Wiring Connection | L1V1L1L2V2L2L3V3L3NN (3P4W) or L1V1L1L3V3L3V2 (3P3W) |
| Temperature Range: | -40 °C ~ +70 °C |
| Meter lifetime | ≥15years |