Because reclosers are applied under widely varying operating and
climatic conditions, maintenance intervals are best determined by
the user based on actual operating experience. To assure proper
operation, reclosers must be maintained when they have operated
the equivalent of a complete duty cycle and before the dielectric
strength has deteriorated below prescribed levels. In the absence
of specific operating experience, the following procedures are recommended.
• When Type RVE and WVE reclosers are operated under usual
service conditions as defined in ANSI (American National
Standards Institute) C37.6O, “Standard Requirements for
Automatic Circuit Reclosers for Alternating Current Systems,” it
is recommended that the following maintenance procedures be
performed at the completion of an equivalent duty cycle.
NOTE: ANSI C37.61, “Guide for the Application, Operation and
Maintenance of Automatic Circuit Reclosers” gives a procedure for converting
the standard duty cycle, as shown on page 3 of these instructions
into an equivalent duty cycle based on the actual operating duty of th