OverviewThe rated insulation voltage of the DAM3-160 molded case
circuit breaker is 1000V. These circuit breakers are suitable for
power distribution circuits with an alternating current of 50-60Hz,
a rated operating voltage up to 400V, and rated operating current
from 25A to 160A. The circuit breaker is important in distributing
power and protecting the circuit and power equipment from
overloading, short circuits, and undervoltage failure damage. They
can also be used in electric motors for infrequent starting and
overload protection as well as protection against short circuiting
and undervoltage conditions.Compared with the DAM1 series, the DAM3
series have the characteristics of smaller volume, higher breaking
capacity, and more energy saving.Electrical parameters of DAM3-160
molded case circuit breakerRated current of frame size Inm
[A] 160Rated current [A]25-160Number of poles 2/ 3 /
4Rated operating voltage(AC)50-60HZ [V]400/690DC [V]250/1000Rated
impulse withstand voltage Uimp [KV]8Rated insulation voltage Ui
[V]750Test voltage at industrial frequency for 1 min [V]3000Rated
ultimate short-circuit breaking capacity Icu [KA]ABCN(AC)50-60HZ
220/230V [KA]18283650(AC)50-60HZ 400/415V [KA]12162536(AC)50-60HZ
690V [KA]46812(DC)250V-2 Poles in series12162230(DC)500V-2 Poles in
series681012(DC)750V-4 Poles in series10151822(DC)1000V-4 Poles in
series8121518Rated service short-circuit breaking capacity, Ics
[KA] (AC)50-60HZ 220/230V [%
Icu]60%60%60%50%(AC)50-60HZ 400/415V [% Icu]60%60%60%50%(AC)50-60HZ
690V [% Icu]60%60%60%50%category of utilization (EN
60947-2)AIsolation conditionBitmapReference standardIEC/EN
60947-2/GB
14048.2Interchangeability-VersionsFixedBitmapPlug-inBitmapDraw-out-Physical
parameters of DAM3-160 molded case circuit breaker EnduranceTotal
cycles10000Electrical endurance1500Mechanical endurance8500Basic
dimensjons-fixed version3/4 Poies W[mm]27(1P) / 54(2P) / 76 /
1013/4 Poies H[mm]5962.5H1[mm]78.5823/4 Poies
L[mm]120IntroductionThe DAM3-160 molded case circuit breaker
automatically cuts off the current when the current exceeds the
release setting. The molded case refers to the plastic insulator
used as the frame of the device to insulate the conductor and the
metal grounding component. /* January 22, 2024 19:08:37
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