Basic Info.
Task
Earthing Protection, Opening ,Closing Protection
Mathematical Model
Sf6 Gas Insulated Switch Protection System
Function
Automatic Control, Protection, Monitoring, Measurement
Certification
RoHS, CCC, ISO: 9001, CE
Rated Voltage
12kv 24kv 40.5kv
Switch
Sf6 Load Break Switch
Operation
Motor/Manual Mechanism
Protecting Type
Earthing ,Fuse,Microcomputer(for 35kv)
Transport Package
Pallet Wooden
Specification
600x900x2000
Product Description
Product Description
MZRMU series of fully closed metal ring main units switch equipment is a new generation of SF6 gas insulated compact switch cabinet, the product design is advanced and flexible, safe and reliable performance, has the advantages of small volume, free of maintenance and not affected by external environmental conditions, etc. It is widely used in industrial and mining, electric power, airports, rail transit, commercial centers, residential areas and other systems that require high reliability of continuous power supply.
Service environment:
a) Air temperature: Maximum temperature: +40ºC; Minimum temperature:-25ºC
b) Humidity :Monthly average humidity 95%; Daily average humidity 90% .
c) Altitude above sea level: Maximum installation altitude: 2500m
d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
e) No frequent violent shake
f) SF6 pressure:1.4bar
g) Gas leakage year rate:0.2‰/year
h) Ip range:IP67
i) Thickness of gas stainless steel tank is 3.00mm
j) Bus is 400mm2 Cu ,Bus earthing is150mm2Cu
Standards:
IEC 62271-100 high voltage alternating current circuit breakers
IEC 62271-105: alternating current switch-fuse Combination
IEC 62271-102: alternating current disconnectors and earthing switches
IEC 62271-200 A.C. metal enclosed switchgear and controlgear for rated voltage above 1 kV and up to and including 52 kV
IEC 62271-103 high voltage switches for rated voltage above 1 kV and less than 52 kV
IEC 60694: Common specifications for high-voltage switchgear and controlgear standards
IEC 60265-1 Switches for rated voltages above 1 kV and less than 52 kV
IEC 60529: Degrees of protection provided by enclosures (IP Code)
Technical characteristics:
Gas pressure :SF6 gas absolute pressure at 20ºC is 1.45bar.
Annual leakage rate :Below 0.025%/ year
Immersion test: applying 0.3bar pressure 12KV underwater 24 hours
arc burning test: 20KA/1S arc extinguishing device without 16KA/1S arc extinguishing device
Protection grade :SF6 gas chamber IP67, fuse barrel IP67, switch cabinet shell IP4X
gas chamber material: stainless steel thickness 3.0mm
Product Parameters
| No. | Items | Unit | Rated voltage |
| 1 | Rated volatge | Kv | 12 | 24 |
| 2 | Rated short -term power frequency withstand voltage | kv | 48 | 79 |
| 3 | Rated lighting withstand voltage | | 85 | 145 |
| 4 | Rated frequency | Hz | 50/60 | 50/60 |
| 5 | Rated current for load break | A | 630 | 630 |
| 6 | Rated current for load break fuse combination | A | below 125 | below 125 |
| 7 | Rated current for Circuit breaker | A | 630 | 630 |
| 8 | Rated short-term withstand current (main way tk=4s) | KA | 20 | 20 |
| 9 | Rated short-term withstand current (earthing way tk=2s) | KA | 20 | 20 |
| 10 | Rated peak withstand current | ka | 50 | 50 |
| 11 | Rated short close-open current for load break cabinet | ka | 50 | 50 |
| 12 | Rated short breaking current for load break fuse combination | Limited high voltage fuse |
| 13 | Rated short breaking current for circuit breaker | ka | 63 | 63 |
| 14 | Rated shift current for load break fuse combination | A | 1750 | 1200 |
| 1) Depending on the current rating of the fuse-link | | | |
| 2) Limited by high voltage fuse-links | | | |
| 9.Cabinet Cells | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | C cell
Load breaker modular
|
| 2 | Load breaker | set | |
| 3 | Manual Operating mechanism | set | |
| 4 | Voltage indicator | set | |
| 5 | Down door interlocking and padlock | set | |
| 6 | Position indication for the Switches | set | |
| 7 | Gas pressure meter | set | |
| 8 | 202 bushing for outgoing line | set | |
| 9 | Cabinet case | set | |
| 10 | Handle | set | |
| 11 | Earthing bus | set | |
| 12 | 325*1336/1636*751mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | F cell
Load breaker +Fuse combination modular
|
| 2 | Load breaker+Fuse combination | set | |
| 3 | Manual Operating mechanism | set | |
| 4 | Voltage indicator | set | |
| 5 | Down door interlocking and padlock | set | |
| 6 | Position indication for the
load Switches and earthing switch | set | |
| | Fuse (125A) | set | |
| 7 | Gas pressure meter | set | |
| 8 | 202 bushing for outgoing line | set | |
| 9 | Cabinet case | set | |
| 10 | Handle | set | |
| 11 | Earthing bus | set | |
| 12 | 325*1336/1636*751mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | SI cell
Busbar breaking switch modular
|
| 2 | Two positions Load breaker | set | |
| 3 | Manual Operating mechanism | set | |
| 4 | Voltage indicator | set | |
| 5 | Down door interlocking and padlock | set | |
| 6 | Position indication for the
load Switches | set | |
| 9 | Cabinet case | set | |
| 10 | Handle | set | |
| 11 | Earthing bus | set | |
| 12 | 325*1336/1636*751mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | V cell
Vacuum circuit breaker modular |
| 2 | Circuit Breaker | set | |
| 3 | Manual /Electric Operating mechanism | set | |
| | Three positions Disconnecting switc/ earthing switch | set | |
| | Disconnecting and earthing manual operating mechanism | set | |
| 4 | Voltage indicator | set | |
| | Gas pressure meter | set | |
| 5 | Padlock | set | |
| 6 | Cabinet case | set | |
| | Mechanical interlocking for disconnecting and circuit breaker | set | |
| 7 | Opening coil(for Microprocessor protection action) | set | |
| 8 | Earthing bus | set | |
| 9 | 202 bushing | set | |
| 10 | CT | set | |
| 11 | Microprocessor comprehensive protection | set | |
| 12 | 325*1336/1636*751mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | SV cell
Circuit breaker+Two positions disconnecting switch modular |
| 2 | Circuit Breaker | set | |
| 3 | Manual /Electric Operating mechanism | set | |
| | Two positions Disconnecting switc | set | |
| | Disconnecting manual operating mechanism | set | |
| | Circuit Breaker and disconnecting switch position mark | set | |
| 4 | Voltage indicator | set | |
| | Gas pressure meter | set | |
| 5 | Padlock | set | |
| 6 | Cabinet case | set | |
| | Mechanical interlocking for disconnecting and circuit breaker | set | |
| 7 | Opening coil(for Microprocessor protection action) | set | |
| 8 | Earthing bus | set | |
| 9 | 202 bushing | set | |
| 10 | CT | set | |
| 11 | Microprocessor comprehensive protection | set | |
| | Cable liftting cell(Combine with Circuit breaker and bus cable) | set | |
| 12 | 650*1336/1636*751mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | De cell
Cable contact modular with earthing knife |
| 2 | Earthing switch | set | |
| 3 | Two positions spring Operating mechanism | set | |
| | Earthing switch position mark | set | |
| 4 | Voltage indicator | set | |
| | Gas pressure meter | set | |
| 5 | Padlock and down door interlocking | set | |
| 6 | Cabinet case | set | |
| | Mechanical interlocking for disconnecting and circuit breaker | set | |
| 7 | Earthing bus | set | |
| 8 | 202 bushing | set | |
| 9 | 325*1336/1636*751mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | Be cell
Busbar earthing modular |
| 2 | Earthing switch | set | |
| 3 | Two positions spring Operating mechanism | set | |
| | Earthing switch position mark | set | |
| 4 | Voltage indicator | set | |
| | Gas pressure meter | set | |
| 5 | Padlock and down door interlocking | set | |
| 6 | Cabinet case | set | |
| 7 | Earthing bus | set | |
| 8 | 325*1336/1636*751mm | set | |
| 9 | | | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A /1250A Bus | set | | CB cell
Vacuum circuit breaker modular |
| 2 | 630A/1250A Vacuum circuit breaker VD4(VS1) | set | |
| 3 | Electric Operating mechanism | set | |
| | Three positions disconnecting switch/Earthing switch | set | |
| | Disconnecting switch/Earthing switch electric operating mechanism | set | |
| | Microprocessor protection | set | |
| | CT | set | |
| | Trip Coil | set | |
| | Outgoing line bushing seat | set | |
| 4 | Voltage indicator | set | |
| 5 | 630A/1250A reserve extand bus | set | |
| 6 | Gas pressure meter | set | |
| | Sensors | set | |
| 7 | Cabinet case | set | |
| 8 | 696*840*1806mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A Bus | set | | M cell
Metering modular
|
| 2 | 2-3pcs PT | set | |
| 3 | 2-3pcs CT | set | |
| | Fuse for protecting PT | set | |
| 4 | Cabinet case | set | |
| | Earthing busbar | set | |
| 5 | 750/650*1336/1636*840mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | Contact available cable gland and cable and busbar | set | | PT cell
Busbar PT modular |
| 2 | PT | set | |
| 3 | Zinc oxide arrester | set | |
| | Fuse | set | |
| 4 | Charged voltage indicator | set | |
| | Eletromagnetic lock | set | |
| 5 | Cabinet case | set | |
| 6 | Metering mark | set | |
| 7 | Earthing busbar | set | |
| 8 | 500*1336/1636*840mm | set | |
| | | | | |
| NO. | Product name | Unit | Qty | Cell type |
| 1 | 630A busbar | set | | D cell
Cable contact modular without earthing knife |
| 4 | Charged voltage indicator | set | |
| | Gas pressure meter | set | |
| 5 | Outgoing 202 bushing | set | |
| 6 | Cabinet case | set | |
| 8 | Earthing busbar | set | |
| 9 | 325*1336/1636*751mm | set | |
Company Profile
After Sales Service
Address:
Room 1401, unit 2, building 3, Haihai Mingyue garden, No. 188, Xiangyun East Road, Chengdong street, Yueqing City, Wenzhou City, Zhejiang Province
Business Type:
Manufacturer/Factory, Trading Company, Group Corporation
Business Range:
Auto, Motorcycle Parts & Accessories, Electrical & Electronics, Industrial Equipment & Components, Lights & Lighting, Manufacturing & Processing Machinery, Service
Management System Certification:
ISO 9001, ISO 14001, ISO 14000, QC 080000
Company Introduction:
Our company
Wenzhou mingzhe electric Co., Limited is located in Liushi...It′s a comprehensive enterprise group for equipment manufacturing, high, middle and low voltage electrical components production as well as Import industrial products from worldwide.
Our business area
Mainly We manufacture varieties of LV, MV, HV products, switchgear cabinet, including SF6 load circuit breaker, vacuum circuit breaker, Air circuit breaker, switchgear cabinet etc. At the same time, We also act as purchasing agency, Buying industrial products from worldwide brands.
All of our products is strict with ISO9001, ISO14001 and ISO18001, most of our products are certified, such as SEMKO, TUV, CB and CE which can prove our guarantee quality and our products.
Our mission
To grow & establish as a major service providers for the solution of electricity power system, focusing on Un-matched customer services.
Partnering with worldwide technology providers and providing quality support for marketing their products & services.
Increase our market share by providing value added services with no compromise on quality.
Investing in employee development, thereby increasing our productivity & performance.
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