The outdoor RMU is a movable, sealed, and moisture-proof stainless steel shell, with a combination of RUM and DTU inside. They are prefabricated thus shortening the construction period and achieving the integration and modularization of primary and secondary systems in power distribution.
By loading the distribution automation system, the monitoring, protection, and control of power equipment can be integrated under normal and accident conditions, achieving unified management.
- Customized design solutions conform to high standardization
- excellent compatibility and expandability , safety,reliability, and efficiently integration ;
- Functional module independence and flexible equipment exchange;
- Small in size, require little space, and convenient installation;
- Fast repair speed of power supply system;
- Capable of achieving intelligent distribution;
- A highly reliable operating mechanism fully meets the required inter lock criteria for meddle voltage equipment;
Altitude
≤1000m
Ambient temperature
-10℃ ～ +40℃
Relative humidity
The daily average value shall not exceed 95%, and the monthly average value shall not exceed 90%;
Earthquake intensity
not greater than 0.4m/s2, vertical acceleration not greater than 0.2m/s2;
Place of use
There should be no conductive dust, corrosive, flammable, or explosive hazardous materials that are harmful to metals and insulation materials;
Installation environment
There should be no severe vibration at the installation site, and the vertical inclination should not exceed 3 degrees.
Special condition
support customized solutions
No. | Item | Parameters | |
1 | Working Voltage | AC 220V | |
2 | Teleindication | ＜=5ms | |
| Timeliness accuracy | with an error of no more than 2 hours every 24 hours | |
3 | Switch measurement and control capacity | Capacity | 4 circuit |
Remote measurement | each circuit three-phase/Zero Voltage/Current | ||
4 | Remote signal | >=5pcs(open/close/earthing knife/charger/remote,Local) | |
Remote control | >=2pcs(open/close) | ||
5 | Voltage measurement accuracy | Optional: 0.5 grade，0.2 grade | |
6 | Current measurement accuracy | Optional: 0.5 grade，0.2 grade ,0.5S grade | |
7 | Soft anti-shake | 10 – 1000ms adjustable | |
8 | Communication interface | Serial Interface | >= 4 reusable RS232/RS485 |
RJ45 Ethernet | >= 2 | ||
9 | Terminal power consumption | Whole panel <= 50VA | |