MIL-PRF-55629 Circuit Breakers, Magnetic, Unsealed Or Panel Seal, Trip-Free, General Specification ForThis specification covers the requirements and test procedures for single and multipole, trip-free, unsealed, magnetic circuit breakers with current ratings of 0.2 amperes to 100 amperes inclusive, up to and including 240 volts, 400 Hertz, 480 volts, 60 Hertz alternating current \(ac\) and 125 volts direct current \(dc\), \(see 6.1\). These circuit breakers may also include auxiliary contacts \(see 6.6.1\) for monitoring circuits. A voltage sensitive pole is also available in a four pole device. Panel seal mounts are available in 0.2 amperes through 50 amperes. Designers are WARNED that these circuit breakers may contain a pure tin finish on some of the component parts \(see 6.5\).

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MIL-PRF-55629E

2. APPLICABLE DOCUMENTS

2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This

section does not include documents cited in other sections of this specification or recommended for additional

information or as examples. While every effort has been made to ensure the completeness of this list, document

users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this

specification, whether or not they are listed.

2.2 Government documents.

2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a

part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are

those cited in the solicitation or contract (see 6.2).

FEDERAL STANDARDS

Screw-Thread Standards for Federal Services.

DEPARTMENT OF DEFENSE SPECIFICATIONS

(See supplement 1 for list of associated specification sheets).

DEPARTMENT OF DEFENSE STANDARDS

Test Methods For Electronic and Electrical Component Parts.

Aircraft Electric Power Characteristics.

Marking of Electrical and Electronic Parts.

(Copies of these documents are available online at https://assist.daps.dla.mil/quicksearch/ or from the

Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.)

2.3 Non-Government publications. The following documents form a part of this document to the extent specified

herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

- Requirements for Calibration of Measuring and Test Equipment.

(Copies of this document are available from https://www.ncsli.org/ or from the National Conference of Standards

Laboratories (NCSL) International, 1800 30th Street, Suite 305, Boulder, CO 80301-1026).

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

Graphic Symbols for Electrical and Electronics Diagrams.

(Copies of these documents are available online at www.ieee.org or from the IEEE Operations Center, 445 Hoes

Lane, P. O. Box 1331, Piscataway, NJ 08854-1331.)

INTERNATIONAL STANDARDS INSTITUTE (ISO)

Measurement management systems - Requirements for measurement processes and

measuring equipment.

(Copies are available online at https://www.iso.org/iso/home.htm or from American National Standards Institute, 13th

Floor, 11 West 42nd Street, New York, NY 10036-0350).