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MIL-DTL-17361 Circuit Breaker Types Aqb/Nqb, Air, Electric, Low Voltage, Insulated Housing \(Shipboard Use\), General Specification ForSets forth, for use by qualified personnel, a number of basic procedures that may be used for the inspection and preventive maintenance of molded case circuit breakers used in industrial and commercial applications rated up to and including 1000 V 50/60 Hz AC or AC/DC.

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MIL-DTL-17361G(SH)

APPENDIX A

TABLE A-XII. AQB-A250 / A252 conversion settings - Continued.

AQB-A250 settings (SPD or

SPD AQB-A252 equivalent settings

Cutler-Hammer/Westinghouse)

Short-time

Short-time

Continuous

Instantaneous

Instantaneous

delay pickup

delay time

current setting/

Trip element

pickup (amps)

pickup (amps)

(amps)

band

rating plug

250NM

4 (2625)

250

10X (2500)

10X (2500)

3

250NM

HI (3400)

250

15X (3750)

15X (3750)

1

NOTE:

/1 See MIL-DTL-17361/6 for complete details on available settings.

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