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 |
YCM3MA100 YCM3MA160 YCM3MA250 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 2.0EYCM3E-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 3.0EYCM3E-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)-1250YCM3Y(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 | / | / | / | / | / | ■ | ■ | ||
| 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) | |||||||
Solutions
Services
News
About Us
Projects