1. Description
CKVB-12/T is an indoor medium voltage circuit-breaker with vacuum interrupter for arc extinguishing and working in a voltage range maximum up to 12kV.

2. Working Condition
2.1Ambient humidity:
----maximum temperature +40℃
----minimum temperature -15℃

2.2Humidity
----maximum relative average daily humidity 95%
----maximum relative average monthly humidity 90%

2.3 Altitude: max. up to 1000m

3. Standard
----GB/T1984-2003
----IEC62271-100
----GB/T16927-1997
----GB/T4473-2008
----DL/T403-2000
----JB/T3855-2008

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.