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E-mail
barry@rockwill.cn
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Phone
+86-577-27869969
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Address
Wengyang Industrial Zone,Wenzhou City, Zhejiang Province,China.
Product Categories
Rockwill Electric GroupFree·1YRS
33kV Air Insulated Switchgear
NegotiableUpdate on March 21
- Model
- Nature of the Manufacturer
- Other
- Product Category
- Metal Switchgear and RMU
- Place of Origin
- City, Province
Overview
The enclosure is made of aluminium-zinc plated steel sheet by CNC machine, high precise dimension, short production cycle, excellent mechanical strength and nice appearance. The busbar compartment, VC
Product Details
33kV Medium Voltage Switchgear/ Air Insulated Metal Clad Switchgear
Standards
The switchgear and main apparatus contained in it comply with the latest IEC Standards:
• IEC 62271-1 for general purposes
• IEC 62271-200 for the switchgear
• IEC 62271-102 for the earthing switch
• IEC 62271-100 for the circuit-breakers
• IEC 60071-2 for the insulation coordination
• IEC 62271-106 for the contactors
• IEC 60265-1 for the switch-disconnectors
• IEC 60529 for degree of protections
Service environment:
a) Air temperature:Maximum temperature: +40℃; Minimum temperature:-25℃
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
Vaccum Circuit Breaker
Description | Unit | Value | |||||
Rated voltage | kV | 40.5 | |||||
Rated short-time power frequency withstａnd voltage (1min) | 95 | ||||||
Rated lightning impulse withstａnd voltage (peak) | 185 | ||||||
Rated freq | Hz | 50,60 | |||||
Rated current | A | 1250 | 1600 | 2000,2500 | |||
Rated short-circuit drop-out current | kA | 25 | 31.5 | 25 | 31.5 | 25 | 31.5 |
Rated short time withstａnd current | 25 | 31.5 | 25 | 31.5 | 25 | 31.5 | |
Rated short time continual time | s | 4 | |||||
Rated peak withstａnd current | kA | 63 | 80 | 63 | 80 | 63 | 80 |
Rated short-circuit closing current | 63 | 80 | 63 | 80 | 63 | 80 | |
Rated single/ back-to-back capacitor bank drop-out current | A | 630/400 | |||||
Opening time (rated volt.) | ms | 35~60 | |||||
Closing time (rated volt.) | 50~100 | ||||||
Mechanical life | times | 10,000 | |||||
Rated break times for rated short drop out current | 20 | ||||||
Rated operation voltage | V | AC110/220 DC110/220 | |||||
Rated current of power storing motor | W | 230 | |||||
Average opening speed | m/s | 1.6~2.0 | |||||
Average closing speed | 0.5~0.8 | ||||||
Rated operation procedure | opening-0.3s-closing opening-180s-closing opening | ||||||
The enclosure is made of aluminium-zinc plated steel sheet by CNC machine, high precise dimension, short production cycle, excellent mechanical strength and nice appearance. The busbar compartment, VCB handc art compartment, cable compartment and relay compartment are separated by metal sheet. Flexible operation for handcart movement, clear position instruction, the earthing switch allow to making short circuit current and creditable mechanical interlock.
Technical data
Rated voltage | kV | 33 |
Rated insulation voltage | kV | 36 |
Rated power frequency withstａnd voltage | kV 1min | 95 |
Rated lightning impulse withstａnd voltage | kV | 185 |
Rated frequency | Hz | 50/60 |
Rated short time withstａnd current | kA 3 s | up to 50 |
Peak current | kA | up to 125 |
Internal arc withstａnd current | kA 1s | up to 50 |
Main busbar rated current | A | up to 4000 |
Circuit-breaker rated current | A | 630 1250 1600 2000 2500 |
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