Active Member
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[China]
Address: No.18 Shigui Avenue, Jieshi Town, Banan District, Chongqing，China
Contact name:Shirley
Chongqing Bosun Electrical Co., Ltd. |
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3 Phase 4 Phase CE CQC CCC Certificates LV MCC Panel for Distribution Systems
Product Description
What is a drawer-type low-voltage switch cabinet?
It is a kind of low-voltage power distribution equipment used to receive and distribute electric energy.
What components does it consist of?
It mainly consists of cabinet shell, busbar, switches, protective devices, measuring devices, etc.
What are its functions?
It has functions such as power supply, distribution, control, protection, measurement, etc.
What are its appearance characteristics?
The appearance is rectangular. There are drawers in the front that can be pulled out. There are various electrical equipments inside.
What types of switches are there inside?
It can be knife switches, vacuum contactors, gas insulated switches, etc.
What is the busbar used for?
It is used to lead the power source into the switch cabinet and distribute the electric energy within the switch cabinet.
What protective devices are there?
It can have overcurrent protectors, leakage protectors, undervoltage protectors, etc.
What measuring devices are there?
It can have current transformers, voltage transformers, power factor energy meters, etc.
How are the drawers pulled out?
The drawers are pulled out of the cabinet by handles for convenient operation and maintenance of internal equipment.
What specifications does it have?
According to the specifications and capacities of different electrical equipment, there are various specifications, generally ranging from dozens of kilovolt-amperes to tens of kilovolt-amperes.
Specification
| Rated Insulation voltage | 690V (1000)V |
| Rated working voltage | 380V, 400V, 690V |
| Maximum working current of main bus | 6300A |
| Rated withstand current of main busbar | 100kA/1s |
| Main busbar rated peak withstand current | 220kA/0.1s |
| Maximum operating current of branch distribution bus (vertical bus) | 2000A |
| Standard type | 105kA(Max)/0.1s |
| Reinforced type | 176kA(Max)/0.1s |
| Protection level | IP4X, IP41,IP65 |
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