MIL-C-55629/19D
VERIFICATION:
Qualification inspection: Not applicable.
Conformance inspection: Group A tests of MIL-PRF-55629.
Part or Identifying Number (PIN): The military PIN consists of the prefix M55629/19 and six code
letters selected from tables I and II as shown in the following example.
For pole identification, see figure 1
Pole 1
Pole 2
Pole 3
Pole 4
M55629/19 E
K
E
N
E
N
E
N
Four pole circuit breaker
with auxiliary contacts. Pole one
is voltage sensitive. See requirements
for the voltage rating.____________________
Current rating code, see table I. 1/ ______________________________
Voltage, frequency, and time delay
curve code, see tables I and II. 1/ __________________________________
On-off marking shall be visible with the trim or cover in place.
Marking. Circuit breakers shall be marked with commercial PIN. Unit packs shall be marked in
accordance with MIL-STD-129 with the following:
a. PIN.
b. Current rating, voltage, and operating frequency.
c.
Supplier's name or code symbol and date code.
__________
1/ Poles 1, 2, 3, and 4, respectively, shall be coded in ascending order of current rating code letter. If
two or more poles have identical current ratings, those poles shall be coded in ascending order of
voltage, frequency, and time delay code letter.
7
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