Our factory
We are professional manufacturer of current transformer ,voltage transformer, Vacuum Circuit Breakers/Recloser,Isolation switches,Dropout Fuse Cut-out,Lightning Arresters,High and Low Voltage Cabinets,Metering Devices,Power Distribution Transformers etc.
General
MNS Low-voltage withdrawable complete switchgear (hereinafter referred to as "switchgear") is a fully assembled low-voltage switchgear with flexible structure, modularization, multi-function, reliable and safe performance. It is applicable to all low-voltage systems in the fields of metallurgy, petroleum, chemical industry, industrial and mining enterprises, and infrastructure, such as power distribution and motor centralized control in the power generation and power supply system with a three-phase AC frequency of 50 (60) Hz, rated working voltage of 380V (400V), (660V) and rated current of less than 4000A.
The switchgear has undergone a comprehensive type test and passed the national compulsory product 3C certification. This product complies with GB7251.1 "Low-voltage switchgear and control equipment", EC60439-1 "Low-voltage switchgear and control equipment", and other standards.
Model And Meaning
Usage Environmental Conditions
1. The altitude of the installation site shall not exceed 2000 meters
2. Ambient Temp.: Upper limit +55˚C, The average value measured within 24h shall not exceed 35˚C, and the lowest ambient air temp -15˚C
3. The ambient air temp. shall not exceed 40˚C. And the average value measured within 24h shall not exceed 35 ˚ C. Minimum ambient air temp. -5˚C.
4. The surrounding air is not appreciably polluted by dust, smoke, corrosive and/or flammable gases, vapors, or salt mist.
5. When the equipment is installed, the inclination from the vertical plane should not exceed 5˚C
6. The equipment should be installed in a place free from severe pulling and impact.
Note: if users have special requirements, they can negotiate with our company.
Technical Parameters
| Item |
Unit |
Parameters |
| Rated Voltage of the Main Circuit |
V |
AC380(400), (660) |
| Rated Voltage of the Auxilliary Circuit |
V |
AC110, 220(230), 380(400), DC110, 220 |
| Rated Frequency |
Hz |
50(60) |
| Rated Insulation Voltage |
V |
AC660, (1000) |
| Rated Current |
Horizontal Wiring |
A |
1000, 1250, 1600, 2000, 2500, 3150, 4000 |
| Vertical bus (Bus) |
630, 800 |
| Rated Short-Time Withstand Current |
Horizontal Wiring |
kA/1s |
30, 50, 80 |
| Vertical bus |
| Rated Withstand Current (Peak Value) |
Horizontal Wiring |
kA/0.1s |
63, 105, 176 |
| Vertical bus |
| Power Frequency Test Voltage |
Main Circuit |
V/1min |
2500 |
| Auxiliary Circuit |
1800 |
| Handle |
3750 |
| Protection Level |
|
IP30, 1P40 |
Outline Dimensions
Test Reports
All products have undergone professional testing and certification.
Our Customer
Our customers are located all over the world.
Photos of Product
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