1. Description

11kV Metal clad indoor protection & metering switchgear can apply in three-phase AC 50Hz/7.2-17.5kV single busbar and single busbar sectionalized electric power system. Its withdrawable part can equip with components including vacuum circuit breaker and vacuum contactor etc

2. Technical Feature

---- Metal armoured and high protection class

---- Watch window

---- Pressure release channel

---- Reliable and safe

---- Flexible configureation

---- Interchange of withdrawable circuit breaker

---- It can fit for different type of protection relays

3. Working Condition

Indoor ambient temperature:

Max. temperature: +40℃

Daily average temperature: +35℃

Min. temperature: -15℃

Indoor ambient humidity:

Daily average relative humidity: ≤95%

Monthly average relative humidity: ≤90%

Altitude for place of installation : ≤1000m

Earthquake intensity: ≤magnitude 8

Applicable in the places without fire, explosive risk, serious polluted and chemical corrosive.

(Exceeding above working condition is available as customized product)

4. Technical Data

Remark:

﹡---- it needs to be equipped with ventilation device.

﹡﹡---- At the rate of 40kA is 3 seconds.

﹡﹡﹡---- The short-circuit capacity of instrument transformer needs to be considered separately.

5. Standard

---- IEC62271-200:2003

---- GB3906-2006

---- GB/T11022-1999

---- DL/T 404-2007

Zhuhai Comking Electric Co., Ltd. was founded in 2006 in Zhuhai, China. With our European partners we are now recognized as a leading manufacturer in power transmission and distribution industry throughout China and Asia.

We are specialized in manufacturing of vacuum circuit breaker, solid insulated switchgear, SF6 gas insulated switchgear, ring main unit and load break switch for indoor and outdoor use.

With our continuous R&D in the fields of design, technology, quality and marketing, our products are recognized as a leader in our field.

Our strict quality control and full compliance with the quality assurance procedure with certification to ISO9001:2008, ISO14001:2004 and OHSAS18001 make us remain at the forefront of technology and quality.

Customer focus and meeting the demands of a changeable market make us to commit to a huge budget for products development which brings a combination of enhanced environmental values, technological advantages that enhance value and safety in the design.

Our core focus throughout the group remains on the development and growth of our employees and that we continue to recognize the value and commitment that they bring to the group throughout the world.