MIL-PRF-55629E
6.6.5 Tripping time delay (see 3.5.3). Tripping time delay is the factor purposely designed into the tripping time of
the circuit breaker.
6.6.6 Tripping time (see 3.9). Tripping time is the total interval of elapsed time from the instant of applying a given
overcurrent to the circuit breaker to the completion of the interruption of the circuit.
6.5.7 Major design set. Limited to a basic circuit breaker design. Three major design sets are herein represented
by specification sheets as follows:
a.
One through six.
b.
Seven through 12 and 20 through 22 (when the electrical operating mechanisms are identical).
c.
Thirteen through 19.
6.5.8 Product line. A product line consists of all units of a type, series, style, or family of items.
6.6 Warning. Potentially hazardous situations are inherent in some of the test procedures specified in this
specification. Precautions should therefore be taken to insure that test personnel are adequately protected and
observe the necessary safety measures at all times.
6.7 High-inrush feature. This feature, also referred to as inertial delay or transient suppression, allows the breaker
to pass short duration current pulses without nuisance tripping. The amplitude of these pulses may be many times
the rated current of the circuit breaker.
6.8 Subject term (key word) listing.
Mixed pole
Multipole
Single pole
6.9 Environmentally preferable material. Environmentally preferable materials should be used to the maximum
extent possible to meet the requirements of this specification. As of the dating of this document, the U.S.
Environmentally Protection Agency (EPA) is focusing efforts on reducing 31 priority chemicals. The list of chemicals
and additional information is available on their website at https://www.epa.gov/osw/hazard/wastemin/priority.htm.
Included in the list of 31 priority chemicals are cadmium, lead, and mercury. Use of the materials on the list should
be minimized or eliminated unless needed to meet the requirements specified herein (see section 3.
6.10 Changes from previous issue. The margins of this specification are marked with vertical lines to indicate
where changes from the previous issue were made. This was done as a convenience only and the Government
assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to
evaluate the requirements of this document based on the entire content irrespective of the marginal notations and
relationship to the last previous issue.
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