The low pressure air isolation HG-315/1140 exchange reversing switch 

 First, use 

 This series of low pressure air isolation reversing switch for AC 50Hz, voltage up to 1140V, current 200A, 315A, 400A power line main circuit isolation, and change the power supply phase sequence with no load conditions, fault conditions load sub-gate, the band has a high breaking capacity, especially suitable for the composition of 1000 superior grade mine flameproof electromagnetic 
 HG-315/1140 exchange isolation commutation switches, vacuum contactors 

 Second, the technical parameters 
 Model Rated operating current 
 (A) Rated operating voltage 
 (V) breaking capacity and outlet Mechanical life (times) 
 Of GHK-200 200 1140 61e Vertical Horizontal 6000 
 Of GHK-315 315 1140 61e Vertical Horizontal 6000 
 Of GHK-400 400 1140 61e Vertical Horizontal 6000 
 KGH-315 315 1140 61e Vertical Horizontal 6000 
 HG-315 315 1140 61e Vertical Horizontal 6000