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WEG Distribution and Control Switchgear are assembled and tested at the factory for voltages from 2.3 kV to 36 kV and developed to meet the strict national and international standards NBR IEC 62271 - 200 without losing their convenient assembly and maintenance features, as well as the flexibility to adapt to the different characteristics required by the market.
Description
WEG Distribution and Control Switchgear are assembled and tested at the factory for voltages from 2.3 kV to 36 kV and developed to meet the strict national and international standards NBR IEC 62271 - 200 without losing their convenient assembly and maintenance features, as well as the flexibility to adapt to the different characteristics required by the market.
- Flexibility and versatility
- Maximum service continuity
- Compact size
- Careful choice of materials
- Personnel safety
- In compliance with IEC 62271-200
- IP4X or IP41 protection rating
- Operation upon removable circuit breaker
- Easy inspection and maintenance
- Easy mounting and connection
- Standardization
- Arc-resistant
Advantages
- The Distribution and Control Switchgear are developed and manufactured and type tested according to IEC 62271-200
- Several device combination options, meeting the customers´ needs and requirements
- Fast withdrawable circuit breaker/contactor replacement using the cart for transportation and installation
- Fast and easy expansion due to its modular design
- Reduced maintenance
- Easy access to the compartments for maintenance by means of removable covers and doors
- Interlock system against incorrect operations
- High safety level for the operators, being all the main circuit breaker operations done with the medium voltage door closed
- Air-insulated Distribution and Control Switchgear with reduced dimensions, allowing a smaller electric room
- No need for handling insulating gases or pressure supervision
- Quality certification as per ISO 9001
- Metal enclosure and grounded separators
- Distribution and Control Switchgear with internal arc rating according to IEC, with front, side and rear access, for all the short-circuit currents
Construction Characteristics
WEG MTW medium voltage Distribution and Control Switchgear
are manufactured with steel plate sections, totally closed
with metal sheets, which undergo the processes of alkaline
degrease, phosphate conversion coating and powder coating.
They have overpressure breathers on top and side that enable
pressure relief in case of an internal arc. The main busbars
are composed of one or more rectangular electrolytic copper
bars with tinned connections and sized to withstand the
thermal and dynamic stresses.
The low-voltage compartment is located in the upper front
part. Featuring its own door with fast lock, this compartment
houses the measurement instruments, protection, terminals,
thermostats, auxiliary contactors, etc., and it is completely
separate from the medium voltage compartment by means of a
steel plate.
Applications
The Distribution and Control Switchgear can be used in a wide range of applications in medium voltage systems, the main ones being:
- Substations of utility companies
- Protection and main disconnection of manufacturing plants and industrial installations
- Pumping stations
- Thermal and hydroelectric plants for power generation
- Start of medium-voltage motors
- Unitary substations
- Load switchboard panels
