This standard specifies the technical requirements for use, maintenance and inspection of CKJ series AC vacuum contactors. This standard applies to CKJ series AC vacuum contactors (hereinafter referred to as "contactors") in use. This standard does not apply to product identification inspection, factory inspection, type inspection and arrival acceptance of contactors. The maintenance and inspection of other series of contactors can also be used as a reference.
MT/T 498-1995 history
1995MT/T 498-1995 Technical specification for maintenance and inspection of CKJ series AC vacuum contactors