What is low-voltage metal-enclosed switchgear?

Definition of it

It is a three-phase power distribution product designed to safely, efficiently and reliably supply electric power at voltages up to 1,000 volts and current up to 6,000 amps.

Product introduction

Low voltage switchgear is suitable for power plants, petroleum, chemical, metallurgy, textile, high-rise buildings and other industries, as well as for power transmission, distribution and energy conversion. The product complies with the standard of low voltage switchgear. Low voltage switchgear belongs to the products listed in the catalogue of compulsory certification products for 3C certification.

Main model

1. GCS low-voltage draw out switch cabinet
2. GCS low voltage switchgear
3. GCK with drawable switch cabinet
4. GGD low voltage fixed switch cabinet
5. Assembled low-voltage switchgear
6. MNS low-voltage draw out switch cabinet
7. MS low voltage draw out switch cabinet
8. GCS low-voltage draw out switch cabinet
9. Mnsqh with drawable low voltage switchgear
10. GCS low voltage draw out switch cabinet GCK (L) low voltage switch cabinet

Basic parameters

1. Rated insulation voltage: 690V
2. Rated working voltage: 380V, 660V
3. Rated frequency: 50Hz
4. Rated working current:
Rated current of horizontal bus: 630-6300a
Rated current of vertical bus 630-1600a
5. Rated short-time withstand current
Rated peak withstand current (is) 30-80ka
Rated short-time withstand current (is) 30-80ka
6. Rated withstand peak current
Horizontal bus (main bus) 63-176ka
Vertical bus (branch bus) 63-176ka

Usage condition

1. The ambient air temperature shall not exceed + 40 ℃ and not be lower than - 5 ℃, and the average temperature within 24h shall not exceed + 35 ℃.
2. The air shall be clean. When the maximum temperature is + 40 ℃, the relative humidity shall not exceed 50%. When the temperature is lower, a larger relative humidity is allowed.
Drawer type low voltage switchgear
Drawer type low voltage switchgear
3. Pollution level: Level 3.
4. The elevation of the installation site shall not exceed 2000m.
5. Special use conditions shall be negotiated separately when ordering.

Performance characteristics
1. Reasonable design: carry out unit design according to the characteristics of various switches and combine the functional units;
2. General structure and flexible assembly: C-shaped profiles meet the requirements of various structural forms, i-protection grade and use surrounding conditions;
3. Standard module · it can be used to form protection, operation, conversion, control and other standard units, and the module structure can be arbitrarily selected;
4. Safety protection: adopt the isolation between regions and the mutual isolation between the incoming and outgoing lines of functional units to effectively strengthen the safety protection performance;
5. Technical parameters: the main technical parameters are at the international leading level.