43
Hazardous voltages and high-speed moving parts.
Can cause death, serious injury or property damage.
All replacement of circuit breaker components must be performed with the
circuit breaker completely de-energized and the springs discharged.
Type
Number of
closing operations
SDV7-SE
10,000
SDV7-MA
Table 7: Overhaul schedule ANSI/IEEE "usual
conditions"
Maintenance and
troubleshooting
Introduction
The following procedures along with the
troubleshooting charts at the end of this
section, provide maintenance personnel with
a guide to identifying and correcting possible
malfunctions of the type SDV7 distribution
circuit breaker.
Circuit breaker overhaul
Table 7: lists the recommended overhaul
schedule for type SDV7 distribution circuit
breakers operating under ANSI/IEEE “usual
service conditions.” When actual operation
conditions are more severe, overhaul periods
should occur more frequently. The operations
counter on the front panel of the circuit
breaker records the number of operations.
For overhaul information and instructions,
refer to the instruction manual for the type
3AH35-SE distribution circuit breaker stored-
energy operator E50001-F710-K376-X-XXXX
or the 3AH35-MA magnetic-actuator operator
E50001-F710-K378-X-XXXX.
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