ApplicationThe series coal-electrical drill is used under the coal mine which is full of explosive mixture gas such as methane, coal-dust and so on, in distribution net with AC 50Hz, voltage 127, it i

ApplicationThe series coal-electrical drill is used under the coal mine which is full of explosive mixture gas such as methane, coal-dust and so on, in distribution net with AC 50Hz, voltage 127, it i

ApplicationGS-M switch-disconnectors and switch-disconnector-fuses are type tested to BSEN60947-3 and meet the constructional requirements for isolation as specified in BSEN60947-3.Switches are of the

ApplicationGS-M switch-disconnectors and switch-disconnector-fuses are type tested to BSEN60947-3 and meet the constructional requirements for isolation as specified in BSEN60947-3.Switches are of the

Quality GuaranteeNation Patent:No.ZL98210136.8Explosion-proof certificate of compliance:No.2012Coal Mine safety Certificate: No. 2000156 MA GB2811-2812-89 GB7957-87 IEC62013-1:1999Joinjing group devel

Quality GuaranteeNation Patent:No.ZL98210136.8Explosion-proof certificate of compliance:No.2012Coal Mine safety Certificate: No. 2000156 MA GB2811-2812-89 GB7957-87 IEC62013-1:1999Joinjing group devel

DescriptionFeatures:1) Newer:a) Adopts large Ni-MH capacity battery as charged powerb) Completely free maintenance without any acid and alkali pollution2) Smaller:a) Small volume, lightweightb) Total

DescriptionFeatures:1) Newer:a) Adopts large Ni-MH capacity battery as charged powerb) Completely free maintenance without any acid and alkali pollution2) Smaller:a) Small volume, lightweightb) Total

MOA Rated Voltage Product Type MCOV Current impulse Residual Voltage Rectangular current impulse withstand High current impulse withstandSteep current impulse lightning current impulse Switching curre