MIL-PRF-55629E
SOCIETY OF AUTOMOTIVE ENGINEERS
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Wire, Electric, Polyvinyl Chloride Insulated, Copper or Copper Alloy.
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Terminal, Lug Splices, Conductor, Crimp Style, Copper, General Specification for.
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Terminal, Lug, Crimp Style, Copper, Uninsulated, Ring Tongue, Type I, Class 1 for
175°C Total Conductor Temperature.
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Terminal, Lug, Crimp Style, Copper, Insulated, Ring-Tongue, Bell-Mouthed, Type II,
Class 1 (for 105ºC Total Conductor Temperature).
(Copies of this document is available online at https://www.sae.org/ or from the Society of Automotive Engineers, 400
Commonwealth Drive, Warrendale, PA 15096-0001.)
UNDERWRITERS LABORATORIES, INCORPORATED (UL)
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Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures.
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Protectors for Use in Electrical Equipment, Supplementary.
(Copies of this document are available online at https://www.ul.com or from the Underwriters Laboratories Inc., 333
Pfingsten Road, Northbrook, IL 60062-2002).
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the
text of this document and the references cited herein (except for related specification sheets) the text of this
document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless
a specific exemption has been obtained.
3. REQUIREMENTS
3.1 Specification sheets. The individual item requirements shall be as specified herein and in accordance with the
applicable specification sheet. In the event of any conflict between requirements of this specification and the
specification sheet, the latter shall govern.
3.2 Circuit breaker categories. Circuit breakers furnished under this specification shall be category I, category II,
or category III, as defined herein.
3.2.1 Category I. Circuit breakers completely defined by a specification sheet (see 3.1, 4.4, and 6.2).
3.2.2 Category II. Circuit breakers are the same as category I, except for minor differences such as mounting
means, current rating, voltage, time delay, and coil properties, which do not change the basic interface and physical
dimensions of the qualified circuit breaker. Category II circuit breakers shall be procured from a source listed on the
applicable QPL for the particular similar product in category I. Category II circuit breakers are nonstandard (see 4.6.1
and 6.2).
3.2.3 Category III. Circuit breakers not covered by specification sheets. These circuit breakers are nonstandard
3.3 Qualification. Category I circuit breakers furnished under this specification shall be products that are
authorized by the qualifying activity for listing on the applicable qualified products list before contract award (see 4.4
and 6.3).
3.4 Material. Material shall be used which will enable the circuit breaker to conform to the performance
requirements of this specification. Acceptance or approval of any constituent material shall not be construed as a
guaranty of the acceptance of the finished product (see 6.5 for supplemental information).
3.4.1 Metals. Metals shall be of a corrosion-resistant type or shall be suitably plated or treated to resist corrosion
(see 3.21). Cadmium and zinc plating shall not be used.
3.4.1.1 Dissimilar metals. When dissimilar metals are used in intimate contact with each other, protection against
electrolysis and corrosion shall be provided. The use of dissimilar metals in contact, which tend toward active
electrolytic corrosion (particularly brass, copper, or steel used in contact with aluminum or aluminum alloy) is not
acceptable. However, metal plating or metal spraying of dissimilar base metals to provide similar or suitable abutting
surfaces is permitted. The use of dissimilar metals separated by a suitable insulating material is also permitted.
Dissimilar metals are defined in 6.4.
3.4.1.2 Decals. Metal or metalized labels shall not be used.
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