- Phone
-
Address
No. 25 Guangming Road, Yinchuan Economic and Technological Development Zone, Ningxia, China (national level)
Ningxia Longjining Light Instrument Co., Ltd
No. 25 Guangming Road, Yinchuan Economic and Technological Development Zone, Ningxia, China (national level)
Technical parameters:
Normal operating temperature |
-25 ℃~+55 ℃ (recommended) |
working temperature limit |
-40℃~+80℃ |
humidity |
Relative humidity ≤ 100%; |
atmospheric pressure |
63.0kPa~108.0kPa (altitude 4000m and below) |
Voltage |
Three phase four wire, 1.0 level; 3×220/380V,3×1(10)A; |
Frequency range |
50Hz, allowable deviation-6%~+2% |
External dimensions |
Width x Height x Thickness=180mm x 290mm x 95mm |
Meter reading, cascade interface |
3-channel RS485 interface (lightning protection), cascade port can also be used for meter reading |
Local settings interface |
1 photoelectric interface, 1 RS232 interface |
pulse output |
2 channels, with 1 active and 1 reactive |
Clock output |
1 Road |
Remote signaling input |
5 channels, passive input |
Door contact input circuit |
1 channel, passive input |
Communication sampling circuit |
1 group, three-phase four wire or three-phase three wire |
AC sampling |
Active power level 1.0, reactive power level 2.0 |