MIL-DTL-17587C(SH)
e. No adjustments shall be made to circuit breakers, cradles, and attachments during or between qualification
tests. One or more failures shall be cause for refusal to grant qualification approval.
TABLE V. Qualification and comparison test schedule and sequence /1.
Test
Inspection
Requirement
Verification
number
1
General examination
2
Creepage and clearance distances
3
Attachment operating characteristics and control power removal
(circuit breaker in connect position and in normal
vertical/horizontal orientation)
3A
Undervoltage lockout device operation (energized)
3B
Electric closing device operation
3B(1)
Operating voltage range/closing time
3B(2)
Charging mechanism stall test
3C
Undervoltage release device operation
3C(1)
Operating voltage range
3C(2)
Dropout voltage range
3D
Shunt trip device operation (voltage range/tripping current)
3E
Operation of indicator light, operations counter, mechanical
position indicator operation, and auxiliary switch
3E(1)
Indicator light
3E(2)
Operations counter
3E(3)
Mechanical position indicator
3E(4)
Auxiliary switch
3F
Operation of cell switch and rack-in/rack-out position indicator
3F(1)
Cell switch
3F(2)
Rack-in/rack-out position indicator
3G
Undervoltage lockout device operation (de-energized)
3H
Trip on power up (TOPU) device operating characteristics and
control power removal/reapplication (electronic trip units only)
3H(1)
TOPU device turned off and circuit breaker closed
3H(2)
TOPU device turned on and circuit breaker closed
3H(2)(a)
15-second TOPU test
3H(2)(b)
20-millisecond TOPU test
3H(3)
TOPU device turned off and circuit breaker open
14
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