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YCM3 Series moulded case circuit breaker,is new products,with small compact, modular,high break,double breakpoints,zero arcing,green environmer protection.
Suitable for AC50Hz,60Hz,rated operating voltage 690V and below, rated current 125A to 1600A distribution network,used to distribute electrical energy and protection lines and powersupply equipment from overload,short circuit and undervoltage failure hazards.
It can also be used as a non-frequent conversion of the line under normal conditions and in theinfrequentstart of the motor
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YCM3T/A
YCM3RT
YCM3E
YCM3Y
YCM3LE
General
YCM3 Series moulded case circuit breaker,is new products,with small compact, modular,high break,double breakpoints,zero arcing,green environmental protection.Suitable for AC 50Hz,60Hz,rated operating voltage 690V and below, rated current 125A to 1600A distribution network,used to distribute electrical energy and protection lines and power supply equipment from overload,short circuit and undervoltage failure hazards.
It can also be used as a non-frequent conversion of the line under normal conditions and in the infrequent start of the motor.
YCM3 circuit breaker equips with intelligent controller as well,which not only makes its current adjustable but also grants protection against overload(long delay),short- circuit(short delay),short circuit(instantaneous)&undervoltage.
It'll certainly improve the entire power system's reliability,continuity &security.RS485 interface,MODBUS-RTU protocol.With MODBUS modul equipped,customers can choose options as below.Remote signal:Switching ON/OFF,tripping,alarm & malfunctional singal indication.
Remote control:Switching ON/OFF,reset.Remote test:3-phase cuttent &N-pole current,grounding current.
Remote adjustment:accept and execute remote command to debug remote control Tripping unit memory recording function,last three time'tripping records can be well traced.YCM3 circuit breaker also obtains isolation function(Can be used as an alternative load switch).
Standard:IEC 60947-2.
Operating conditions
1.The altitude of the installation site does not exceed 2000m;
2.The YCM3 thermomagmetic type with temperature of the surrounding medium is -5℃~+40℃,and the average temperature of 24 h is not more than +35℃.The relative humidity of the air at the installation site does not exceed 50%at a maximum temperature of +40℃;at lower temperatures,there may be a higher relative humidity;the average minimum temperature of the wettest month does not exceed +25℃ for the average of the month The maximum relative humidity is not more than 90%,and the condensation on the surface of the product due to temperature changes is considered.
3.YCM3 intellgent type with temperature of the surrounding medium is - 40℃~+80℃.
4.The product is used in non-explosive hazardous media,and the media does not have enough to corrde metals and destroy insulating gases and conductve dust.
5.In places where there is rain protection and no water vapor.
6.The installation category is Class Ⅲ.
7.The pollution level is level 3.
8.The basic installation of the circuit breaker is vertical (ie vertical)or horizontal
(ie horizontal).
9.The incoming line is either the up line or the down line.
10.Circuit breakers can be divided into fixed and plug-in types.
Note:
other requirements at the time of ordering are subject totextual instructions.
Release:
The type of stripper is divided into:thermal magnetic stripper and Intelligent stripper
1.Thermal magnetic stripper is divided into types according to protection type Distribution Protection Code:TM;Motor (single-magnetic)protection Code:MA.
2.Intelligent stripper According to the function is divided into three kinds: ordinary type,liquid crystal type and with voltage detection type.
circuit breaker protection settings are shown in table 1
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MA: single magnetic |
Y CM3MA-100 Y CM3MA-160 Y CM3MA-250 Y CM3MA-400 Y CM3MA-630 |
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T/A: overload adjustable |
Y CM3T/A-100 Y CM3T/A-160 Y CM3T/A-250 |
(0.8~1)In |
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RT:overload+short circuit adjustable |
Y CM3RT-250 (200~250A) |
(0.8~1)In |
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(5~10)In |
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Y CM3RT-400 Y CM3RT-630 |
(0.7~1)In |
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E(2.0E): Electronic 2.0E |
Y CM3E-100 2.0E Y CM3E-160 2.0E Y CM3E-250 2.0E Y CM3E-400 2.0E Y CM3E-630 2.0E |
(0.4~1)In |
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(1.5~10)lr |
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Y CM3E-1250 2.0E Y CM3E-1600 2.0E |
(0.4~1)In |
0.5~24s |
(1.5~10)lr |
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E(3.0E): Electronic 3.0E |
Y CM3E-100 3.0E Y CM3E-160 3.0E Y CM3E-250 3.0E Y CM3E-400 3.0E Y CM3E-630 3.0E |
(0.4~1)In |
0.5~1 2s |
(1.5~12)lr |
0.1s~0.4s |
(2~15)In |
(20%~100%)In |
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Y CM3E-1250 3.0E Y CM3E-1600 3.0E |
(0.4~1)In |
0.5~24s |
(1.5~10)lr |
0.1s~0.4s |
(2~15)In |
optional |
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Y:LCD display, current type Y v:LCD display, voltage type Y p:LCD display, powertype |
Y CM3YY V、Y P)-100 Y CM3Y(Y V、Y P)-160 Y CM3Y(Y V、Y P)-250 Y CM3Y(Y V、Y P)-400 Y CM3YY、 Y P)-630 |
(0.4~1)In |
0.5~1 2s |
(1.5~12)lr |
Os~0.4s |
(2~15)In |
(20%~100%)In |
os~0.4s |
Y CM3YY V、Y P)-1250 Y CM3YY V、Y P)-1600 |
(0.4~1)In |
0.5~24s |
(1.5~12)lr |
os~0.4s |
(2~15)In |
(20%~100%)In |
os~0.4s |
YCM3 parameter measurement function is shown in table2
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protection function |
current (A) |
overload protection |
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short circuit short time delay protection |
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Instantaneous protection |
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overload warning |
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Neutral line protection |
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Grounding protection |
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current imbalance protection |
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voltage(v) |
zero break protection |
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voltage imbalance protection |
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over frequency and under frequency protection |
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phase sequence protection |
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Measurement function |
current (A) |
phase current |
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Neutral current |
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percentage of ground faults |
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current imbalance rate of each phase |
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voltage(v) |
Line voltage |
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phase voltage |
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Average line voltage |
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Average phase voltage |
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voltage imbalance rate |
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phase sequence |
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frequency |
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power |
Meritorious |
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Reactive power |
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Apparent |
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power factor and |
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Quantity of electricity |
Active, reactive, apparent |
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Maintenance function |
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varioustypesofprotectiontrippingtimes,displacementtimes,etc |
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Event recording |
Trip records, alarm records, displacement records, etc |
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contact wear |
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Number of operations |
Record of operation times |
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RTc function |
Real time clock |
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Auw liar y/alam de tec ion function |
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Electric operation control function |
Remote electric operation control function |
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human-computer interaction |
LED indication |
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LCD display |
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key settings |
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Moe dbus RTU D L/T645 |
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Technical data
1.The basic parameters of the circuit breaker are shownin Table 2.
2.The overload delay and short-circuit transientprotection action characteristics of the circuit breaker are shown in Table 4 and Table 3.
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Number of poles |
3P,4P |
3P,4P |
3P,4P |
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shell frame maximum rated current In m(A) |
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250 |
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Rated current In(A) |
12.5/16/20 25/32/40 50/63/80/100 |
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16/20/25/32 40/50/63/80 100/125/160 |
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100/160/180 200/225/250 |
250 |
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Type of stripper |
Thermal or single-magnetic |
Intelligent type |
Thermal or single-magnetic |
Intelligent type |
Thermal or single-magnetic |
Intelligent type |
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Rated insulation voltage ui(v) |
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Rated impulse withstand voltage u imp(kv) |
8 |
8 |
8 |
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Rated voltage ue(v50-60HZ |
AC415/500/690 |
AC415/500/690 |
AC415/500/690 |
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Flying arc Distance(mm) |
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short circuit breaking capability level |
N |
H |
N |
H |
N |
H |
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Rated limit short |
AC415V |
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85 |
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85 |
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85 |
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circuit Breaking |
AC500V |
35 |
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35 |
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35 |
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capacity ICU(KA) |
AC690V |
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circuit Breaking capacity lcs(KA) |
AC415V |
75% ICU |
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AC500V |
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AC690V |
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Rated short time resistant current I CW(KA) (1s) |
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3 / |
3 / |
3 |
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working with categories |
A |
A |
A |
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Remaining current protection |
Additional Residual current protection module
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AC415V |
10000 |
10000 |
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AC690V |
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Number of mechanical life |
20000 |
20000 |
20000 |
20000 |
20000 |
20000 |
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Mode of operation |
Manual Direct operation、Rotate handleoperation、 Electric operating mechanism |
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Mounting method |
Fixed type(front of plate)、Fixed type(rear of plate)、plug-in(front of plate)、plug-in(rear of plate) |
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Number of poles |
3P, 4P |
3P,4P |
3P, 4P |
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shell frame maximum rated current In m(A) |
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Rated current In(A) |
250/315/ 350/400 |
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400/500/ 600/630 |
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800/1000/1250/1600 |
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Type of stripper |
Thermal or single-magnetic |
Intelligent type |
Thermal or single-magnetic |
Intelligent type |
Intelligent type |
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Rated insulation voltage ui(v) |
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Rated impulse withstand voltage u imp(kv) |
8 |
8 |
8 |
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Rated voltage ue(v)50-60HZ |
AC415/500/690 |
AC415/500/690 |
AC415/500/690 |
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Flying arc Distance(mm) |
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short circuit breaking capability leve |
N |
H |
N |
H |
N |
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Rated limit short |
AC415V |
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85 |
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85 |
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circuit Breaking |
AC500V |
35 |
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35 |
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35 |
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capacity l cu(KA) |
AC690V |
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Rated running short circuit Breaking capacity ICS(KA) |
AC415V |
75% ICU |
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AC500V |
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AC690V |
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5 |
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8 |
8 |
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working with categories |
A |
B |
A |
B |
B |
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Remaining current protection |
Additional Residual current protection module
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AC415V |
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AC690V |
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Number of mechanical life |
10000 |
1 0000 |
1 0000 |
1 0000 |
10000 |
1 0000 |
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wide(3p/4p) |
140/185 |
140/185 |
210/280 |
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Dimensions |
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255 |
255 |
327 |
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High |
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147 |
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Mode of operation |
ManualDirect operation、Rotate handleoperation、 Electric operating mechanism |
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Mounting method |
Fixed type(front ofplate)、Fixed type(rearof plate)、plug-in(frontofplate)、plug-in(rearof plate) |