Shenheng Electric Power Equipment Co., Ltd.

Fixed ring main unit product introduction:
The fixed ring network cabinet absorbs advanced foreign technology. It is small in size, only % of the volume of ordinary switch cabinets. The circuit breaker has high reliability and high performance. The good&five-proof&r interlocking mechanism has the advantages of reliability and simplicity. The switch cabinet is an indoor complete set of three-phase AC single busbar segmented devices, used for receiving and distributing electric energy. It also has the functions of controlling, protecting and monitoring circuits. It can be used in various types of power plants, substations, industrial and mining enterprises, high-rise buildings and other places. It can also be used in switching stations in combination with ring main units.
Fixed ring network cabinet
Normal usage conditions
:
． The upper limit of ambient air temperature: +℃, the lower limit: ℃.
． Altitude: no more than.
． Relative ambient temperature: the daily average is not greater than %, and the monthly average is not greater than %.
． Earthquake: Intensity does not exceed excessive.
． The surrounding air is not significantly contaminated by corrosive or flammable gases, water vapor, etc.
． No serious pollution and frequent violent vibrations.
Fixed ring network cabinet
Structure introduction
:
The switch cabinet body is welded with high-quality angle steel. The circuit breaker room is located in the middle (lower) part of the cabinet body. Installation, Easy to debug and maintain. It is equipped with a standard circuit breaker and is equipped with a pressure release channel to ensure personal safety. An advanced and reliable rotary isolation switch is used to safely enter the circuit breaker room for inspection and maintenance of the whole cabinet when the main busbar is powered. The protection level equipment is equipped with a reliable and fully functional The mandatory mechanical locking device is simple and effective to meet the "five preventions" requirements. It has a reliable grounding system. There is an observation window on the door, which can clearly observe the working status of the components in the cabinet. The operating mechanism locking adopts the locking mechanism used in the same cabinet, which is simple, reliable, convenient and practical. The incoming and outgoing cables are lower than the front of the cabinet bottom, making it convenient for users to connect.
Fixed ring network cabinet
Main features:
.The cabinet structure is assembled, no need for welding, has high mechanical strength and beautiful appearance
.Rear part of the cabinet The upper part uses a rotary isolating switch and the lower part adopts a C isolating switch. It has a reliable mechanical interlocking device that operates according to the program, providing reliable safety protection for operators and equipment
. The main switch used is an integral structure, which can Optional: (), etc. circuit breakers
Fixed ring main unit
Product completeness
:
The following documents and attachments are provided when supplying
Product certificate< br/> b Product packing list
c Product factory test report
Product instruction manual
Equipment list
Primary and secondary wiring diagrams
Please provide the picture for the product. Catalog and equipment list supplied.

Fixed ring network cabinet
Ordering instructions
:
The following information should be provided when ordering
Main wiring plan number, purpose and single-line system diagram rated voltage , Rated current, rated short-circuit breaking current, distribution room floor plan and switch cabinet arrangement and configuration diagram
b. Specifications of incoming/outgoing cables and incoming/outgoing methods
c Secondary function diagram, terminal arrangement diagram, if there is no terminal arrangement diagram, it will be arranged by our company
Model, specification and quantity of the electrical components of the switch cabinet
Summary table of electrical equipment
When a bus bridge is required, the span and height dimensions must be provided
If the switch cabinet is used in special environmental conditions, it should be mentioned when ordering
Other or additional accessories are required, The type and quantity of spare parts should be stated.