Product DescriptionApplication1.CJMM1 series moulded case circuit
breaker(hereinafter referred to as circuit breaker) is pplicable
for AC 50/60HZ power distribution network circuit with rated
insulation voltage of 800V, rated operation voltage of 690V and
rated operation current from 10A to 630A, it's used to distribute
power and prevent circuit and power supply equipment from damage
due to overload, short circuit, under voltage and other faults,
it's also used for infrequent start of motor as well as overload,
short circuit and under voltage protection 2.This circuit breaker
owns advantages of small volume, high breaking capacity, short
arcing (or noarcing)etc, it can be equipped with accessories like
alarm contact, shunt release, auxiliary contact etc, it's an ideal
product for user. 3.The residual current circuit breaker can either
be vertically installed (vertical installation) or be horizontally
installed (horizontal installation) The product is in accordance
with the standards of IEC60947-2 and Gb140482 Classification1.By
breaking capacity: a standard type(type S) b higher breaking
capacity type(type H)2.By connection mode: a front board
connection, b back board connection, c plugin type3.By operation
mode: a direct handle operation, b rotation handle operation,c
electrical operation4.By number of poles: 1P,2P, 3P, 4P5.By
accessory: alarm contact, auxiliary contact, shunt release, under
voltage release.Normal Service Condition1.The altitude of the
installation site shall not exceed 2000m2.Ambient air
temperaturea.The ambient air temperature shall not exceed
+40ºCb.The average value shall not exceed +35ºC with in 24
hoursc.The ambient air temperature shall not be less
than-5ºC3.Atmosphere conditiona.There lative humidity of atmosp
here shall not exceed 50% at highest temperature of +40ºC,and it
can be higher atalower temperature,when theaver agelowest
temperature in the wettest month doesn't exceed 25ºC can be
90%,conden sationon product surfacedue to temperature change must
be takenin to account.4.The pollution level is class
3Table1Accessory nameElectronic releaseCompound releaseAuxiliary
contact,under voltage release,alam contact287378Two auxiliary
contact sets,alarm contact268368Shunt release, alarm contact,
auxiliary contact238348Under voltage release,alarm
contact248338Auxiliary contact alarm contact228328Shunt release
alarm contact218318Auxiliary contact under-voltage release270370Two
auxiliary contact sets260360Shunt release under-voltage
release250350Shunt release auxiliary contact240340Under-voltage
release230330Auxiliary contact220320Shunt release210310Alarm
contact208308No accessory200300Main Technical Parameter1.Rated
value of circuit breakersModelImax(A)Specifications(A)Rated
Operation Voltage(V)Rated Insulation Voltage(V)Icu(kA)Ics(kA)Number
of Poles (P)Arcing
Distance(mm)CJMM1-63S636,10,16,2025,32,40,50,6340050010*5*3≤50CJMM1-63H6340050015*10*3,4CJMM1-100S10016,20,25,3240,50,63,80,10069080035/1522/53≤50CJMM1-100H10040080050352,3,4CJMM1-225S225100,125,160,180,200,22569080035/1525/53≤50CJMM1-225H22540080050352,3,4CJMM1-400S400225,250,315,350,40069080050/1535/83,4≤100CJMM1-400H40040080065353CJMM1-630S630400,500,63069080050/1535/83,4≤100CJMM1-630H63040080065453Note:
When the test parameters for the 400V, 6A without heating release
2.Inverse time breaking operation characteristic when each pole of
overcurrent release for power distribution is powered on at the
same time Item of test Current (I/In)Test time areaInitial
stateNon-tripping current 1.05In2h(n>63A),1h(n63A),1h(n2hCold
State 1.2In≤2hProceeded immediately after the No.1
test 1.5In≤4minCold State10≤In≤225≤8minCold
State225≤In≤6307.2In4s≤T≤10sCold State10≤In≤2256s≤T≤20sCold
State225≤In≤6304.The instantaneous operation characteristic of
circuit breaker for power distribution shall be set as 10in+20%,
and the one of circuit breaker formotor protection shall be set
as12ln±20% Outline Installation Size About Us More
products /* January 22, 2024 19:08:37
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