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YCM3RT Overload and short circuit adjustable Molded Case Circuit Breaker
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YCM3RT Overload and short circuit adjustable Molded Case Circuit Breaker
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YCM3RT Overload and short circuit adjustable Mo...
General
YCM3 Series moulded case circuit breaker,is new products,with small compact,modular,high break,double breakpoints,zero arcing,green environmentalprotection.Suitable for AC 50Hz,60Hz,rated operating voltage 690V and below,rated current 12.5A to 1600A distribution network,used to distribute electricalenergy and protection lines and power supply equipment from overload,shortcircuit and undervoltage failure hazards.It can also be used as a non-frequentconversion of the line under normal conditions and in the infrequent start of themotor.
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Product Details
Circuit breaker protection settings are shown in table 1
| Type of Stripper | Type | Overload longdelay settingcurrent(IR) | Overload longdelay (6·IN)Fix buckletime | Short-circuitshorter delaytuning current(ISD) | Short-circuitshorter delaysetting time(TSD) | Short-circuittransienttuning current(Ii) | GroundingProtectionsetting current(IG) | GroundingProtectionsetting time(TG) |
| MA:Single magnetic |
YCM3MA-100 YCM3MA-160 YCM3MA-250 YCM3MA-400 YCM3MA-630 |
/ | / | / | / | 12In | / | / |
| T/A:Overload adjustable |
YCM3T/A-100 YCM3T/A-160 YCM3T/A-250 |
(0.8~1)In | / | / | / | 10In | / | / |
| RT:Overload+short circuit adjustable | YCM3RT-250 (200~250A) | (0.8~1)In | / | / | / | (5~10)In | / | / |
| YCM3RT-400 YCM3RT-630 | (0.7~1)In | |||||||
| E(2.0E):Electronic 2.0E |
YCM3E-100 2.0E YCM3E-160 2.0E YCM3E-250 2.0E YCM3E-400 2.0E YCM3E-630 2.0E |
(0.4~1)In | / | (1.5~10)Ir | / | 12In | / | / |
| YCM3E-1250 2.0E YCM3E-1600 2.0E | (0.4~1)In | 0.5~24s | (1.5~10)Ir | 12In | ||||
| E(3.0E):Electronic 3.0E |
YCM3E-100 3.0E YCM3E-160 3.0E YCM3E-250 3.0E YCM3E-400 3.0E YCM3E-630 3.0E |
(0.4~1)In | 0.5~12s | (1.5~12)Ir | 0.1s~0.4s | (2~15)In |
(20%~100%)In |
/ |
| YCM3E-1250 3.0E YCM3E-1600 3.0E | (0.4~1)In | 0.5~24s | (1.5~10)Ir | 0.1s~0.4s | (2~15)In | Optional | / | |
| Y:LCD display， Current typeYV:LCD display， Voltage typeYP:LCD display， Power type | YCM3Y(YV、YP)-100
YCM3Y(YV、YP)-160 YCM3Y(YV、YP)-250 YCM3Y(YV、YP)-400 YCM3Y(YV、YP)-630 |
(0.4~1)In | 0.5~12s | (1.5~12)Ir | 0s~0.4s | (2~15)In | (20%~100%)In | 0s~0.4s |
| YCM3Y(YV、YP)-1250 YCM3Y(YV、YP)-1600 | (0.4~1)In | 0.5~24s | (1.5~12)Ir | 0s~0.4s | (2~15)In | (20%~100%)In | 0s~0.4s |
YCM3 parameter measurement function is shown in table 2
| function type | functional category | Specific functions | Monomagnetic | Thermomagnetic | Electronic | |||||
| MA | T/A | RT | 2.0E | 3.0E | Y | YV | YP | |||
|
Protection function |
Current (A) | overload protection | / | ■ | ■ | ■ | ■ | ■ | ■ | ■ |
| Short circuit short time delay protection | / | / | / | ■ | ■ | ■ | ■ | ■ | ||
| Instantaneous protection | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ||
| Overload warning | / | / | / | ■ | ■ | ■ | ■ | ■ | ||
| Neutral line protection | ||||||||||
| Grounding protection | / | / | / | / | / | ■ | ■ | ■ | ||
| Current imbalance protection | / | / | / | / | / | / | ■ | ■ | ||
| Voltage(v) | Zero break protection | / | / | / | / | / | / | ■ | ■ | |
| Voltage imbalance protection | / | / | / | / | / | / | ■ | ■ | ||
| Overfrequency and underfrequency protection | / | / | / | / | / | / | ■ | ■ | ||
| Phase sequence protection | / | / | / | / | / | / | ■ | ■ | ||
|
Measurement function |
Current (A) | Phase current | / | / | / | / | / | ■ | ■ | ■ |
| Neutral current | / | / | / | / | / | |||||
| Percentage of ground faults | / | / | / | / | / | / | ■ | ■ | ||
| Current imbalance rate of each phase | / | / | / | / | / | / | ■ | ■ | ||
|
Voltage(V) |
Line voltage | / | / | / | / | / | / | ■ | ■ | |
| Phase voltage | / | / | / | / | / | / | ■ | ■ | ||
| Average line voltage | / | / | / | / | / | / | ■ | ■ | ||
| Average phase voltage | / | / | / | / | / | / | ■ | ■ | ||
| Voltage imbalance rate | / | / | / | / | / | / | ■ | ■ | ||
| phase sequence | / | / | / | / | / | / | ■ | ■ | ||
| frequency | / | / | / | / | / | / | ■ | ■ | ||
| Power | Meritorious | / | / | / | / | / | / | / | ■ | |
| Reactive power | / | / | / | / | / | / | / | ■ | ||
| Apparent | / | / | / | / | / | / | / | ■ | ||
| Power factor and | / | / | / | / | / | / | / | ■ | ||
| Quantity of electricity | Active, reactive, apparent | / | / | / | / | / | / | / | ■ | |
|
Maintenance function |
Accumulated function | Various types of protection tripping times, displacement times, etc | / | / | / | / | / | / | ■ | ■ |
| Event recording | Trip records, alarm records, displacement records, etc | / | / | / | / | / | / | ■ | ■ | |
| Contact wear | Contact wear record | / | / | / | / | / | / | ■ | ■ | |
| Number of operations | Record of operation times | / | / | / | / | / | / | ■ | ■ | |
| RTC function | Realtime clock | / | / | / | / | / | / | ■ | ■ | |
|
Auxiliary/alarm detection function |
Auxiliary, alarm detection, and display of circuit breaker status | / | / | / | / | / | / | |||
|
Electric operation control function |
Remote electric operation control function | / | / | / | / | / | / | ■ | ■ | |
| human-computer interaction | LED indication | / | / | / | / | / | ■ | ■ | ■ | |
| LCD display | / | / | / | / | / | ■ | ■ | ■ | ||
| Key settings | / | / | / | / | / | ■ | ■ | ■ | ||
| communication function | Moedbus RTU DL/T645 | / | / | / | / | / | ■ | ■ | ||
Technical data
1.The basic parameters of the circuit breaker are shown in Table 2.
2.The overload delay and short-circuit transient protection action characteristics of the circuit breaker are shown in Table 4 and Table 3
| Type | YCM3-100 | YCM3-160 | YCM3-250 | |||||||
| Number of poles | 3P, 4P | 3P, 4P | 3P, 4P | |||||||
| Shell frame maximum rated current Inm(A) | 100 | 160 | 250 | |||||||
| Rated current In(A) | 12.5/16/2025/32/40
50/63/80/100 |
100 |
16/20/25/32 40/50/63/80 100/125/160 |
160 | 100/160/180 200/225/250 | 250 | ||||
| Type of Stripper | Thermal or single-magnetic | Intelligent type | Thermal or single-magnetic | Intelligent type | Thermal or single-magnetic |
Intelligent type |
||||
| Rated insulation voltage Ui(V) | 800 | 800 | 800 | |||||||
| Rated impulse withstand voltage Uimp(kV) | 8 | 8 | 8 | |||||||
| Rated voltage Ue(V)50-60Hz | AC415/500/690 | AC415/500/690 | AC415/500/690 | |||||||
| Flying arc Distance(mm) | 0 | 0 | 0 | |||||||
| Short circuit breaking capability level | N | H | N | H | N | H | ||||
| Rated limit Short | AC415V | 50 | 85 | 50 | 85 | 50 | 85 | |||
| circuit Breaking capacity Icu(kA) | AC500V | 35 | 50 | 50 | 60 | 50 | 60 | |||
| AC690V | 6 | 6 | 6 | 6 | 6 | 6 | ||||
| Rated running short circuit Breakingcapacity Ics(kA) | AC415V | 75% Icu | ||||||||
| AC500V | ||||||||||
| AC690V | ||||||||||
| Rated short time resistant current Icw(kA) (1s) | / | 3 / | 3 / | 3 | ||||||
| Working with categories | A | A | A | |||||||
| Remaining Current protection | Additional Residual current protection module(See P78-79 LE remaining current module for specific parameters) | |||||||||
| Electrical Life Test | AC415V | 10000 | 10000 | 8000 | 8000 | 8000 | 8000 | |||
| AC690V | 1500 | 1500 | 1500 | 1500 | 1500 | 1500 | ||||
| Number of mechanical life | 20000 | 20000 | 20000 | 20000 | 20000 | 20000 | ||||
| Dimensions | Wide(3P/4P) | 105/140 | 105/140 | 105/140 | ||||||
| Long | 161 | 161 | 161 | |||||||
| High | 86 | 86 | 86 | |||||||
| Mode of operation | Manual Direct operation、 Rotate handle operation、 Electric operating mechanism | |||||||||
| Mounting method | Fixed type(front of plate)、 Fixed type(rear of plate)、 Plug-in(front of plate)、 Plug-in(rear of plate) | |||||||||
| Type | YCM3-400 | YCM3-630 | YCM3-1600 | |||||
| Number of poles | 3P, 4P | 3P, 4P | 3P, 4P | |||||
| Shell frame maximum rated current Inm(A) | 400 | 630 | 1600 | |||||
| Rated current In(A) | 250/315/ 350/400 | 400 | 400/500/ 600/630 | 630 | 800/1000/1250/1600 | |||
| Type of Stripper | Thermal or single-magnetic | Intelligent type | Thermal or single-magnetic | Intelligent type | Intelligent type | |||
| Rated insulation voltage Ui(V) | 1000 | 1000 | 1000 | |||||
| Rated impulse withstand voltage Uimp(kV) | 8 | 8 | 8 | |||||
| Rated voltage Ue(V)50-60Hz | AC415/500/690 | AC415/500/690 | AC415/500/690 | |||||
| Flying arc Distance(mm) | 0 | 0 | 0 | |||||
| Short circuit breaking capability level | N | H | N | H | N | |||
| Rated limit Short circuitBreaking capacity Icu(kA) | AC415V | 50 | 85 | 50 | 85 | 50 | ||
| AC500V | 30 | 50 | 35 | 50 | 35 | |||
| AC690V | 10 | 15 | 10 | 100 | 20 | |||
| Rated running short circuit Breakingcapacity Ics(kA) | AC415V | 75% Icu | ||||||
| AC500V | ||||||||
| AC690V | ||||||||
|
Rated short time resistant current ICW (kA) (1s) |
/ | 5 | / | 8 | 8 | |||
| Working with categories | A | B | A | B | B | |||
| Remaining Current protection | Additional Residual current protection module(See P78-79 LE remaining current module for specific parameters) | |||||||
| Electrical Life Test | AC415V | 6000 | 6000 | 5000 | 5000 | 1500 | ||
| AC690V | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | ||
| Number of mechanical life | 10000 | 10000 | 10000 | 10000 | 10000 | 10000 | ||
| Dimensions | Wide(3P/4P) | 140/185 | 140/185 | 210/280 | ||||
| Long | 255 | 255 | 327 | |||||
| High | 110 | 110 | 147 | |||||
| Mode of operation | Manual Direct operation、Rotate handle operation、Electric operating mechanism | |||||||
| Mounting method | Fixed type(front of plate)、Fixed type(rear of plate)、Plug-in(front of plate)、Plug-in(rear of plate) | |||||||
| Serial number | Distribution breaker | Circumstance temperature | |||
| Test current(times) | Tripping time | Status | |||
| 1 | 1.05In | 1h non-tripping ( In ≤63A ) 2h non-tripping ( In>63A ) | Initial | -40℃±2℃ | |
| 2 | 1.3In | 1h tripping ( In ≤63A ) 2h tripping ( In>63A ) | Following serial 1 | ||
| 3 | 10In±20% | 8In | > 0.2s Tripping | Initial | Any suitable temperature |
| 4 | 12In | ≤ 0.2s Tripping | |||
Technical data
| Serial number | Motor protection breaker | Circumstance temperature | |||
| Testing current(times) | Tripping time | State | |||
| 1 | 1.05In | 2h non-tripping | Initial | -40℃±2℃ | |
| 2 | 1.2In | 2h tripping | Following serial 1 | ||
| 3 | 1.5In | 4min tripping | The order 1 current reaches the thermal equilibrium and begins | ||
| 4 | 7.2In | 2~10s Tripping | Initial | ||
| 5 | 12In±20% | 9.6In | > 0.2s Tripping | Initial | Any suitable temperature |
| 6 | 14.4In | ≤ 0.2s Tripping | |||
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