Yueqing Yijin Electronics Co., Ltd.
Others
YJB1-63/AFD arc fault circuit breaker
Scope applicationRelays are automatic switching components with isolation functions, widely used in remote control, telemetry, communication, automatic control, mechatronics, and power electronic equipment. They are one of the most important control components.Relays generally have sensing mechanisms (input parts) that can reflect certain input variables such as current, voltage, power, impedance, frequency, temperature, pressure, speed, light,…
AFDD arc fault protection circuit breaker is suitable for AC 50Hz, rated voltage 230V, rated current up to 63A and below lines, used for overcurrent protection of buildings and similar use lines, and can also protect against arc faults, parallel arc faults, and series arc faults. To a certain extent, fire safety can be reduced by detecting many fire risks caused by electrical device rupture or wire aging in advance, which···
Scope application
The AFDD arc fault protection circuit breaker is assembled from a small circuit breaker and an arc fault protection module, and has protection functions such as overload, short circuit, and arc fault protection.
AFDD arc fault protection circuit breaker is suitable for AC 50Hz, rated voltage 230V, rated current up to 63A and below lines, used for overcurrent protection of buildings and similar use lines, and can also protect against arc faults, parallel arc faults, and series arc faults. To a certain extent, fire safety can be reduced by detecting many fire risks caused by electrical device rupture or wire aging in advance, which provides effective protection for people’s lives and property safety in the event of electrical accidents,
Model Meaning
Normal working conditions
1. Surrounding air temperature
a. The upper limit value shall not exceed+40 ℃.
b. The lower limit value shall not be lower than -4 ℃.
c. The average value within 24 hours shall not exceed+30 ℃.
d. The maximum operating temperature is -40 ℃~+75 ℃.
2. Altitude
The altitude of the installation site shall not exceed 2000 meters,
3. Atmospheric conditions
a. When the ambient air temperature is+35 ℃, the relative humidity of the air does not exceed 50%, and there can be higher relative humidity at lower temperatures.
b. When the monthly average lowest temperature of the wettest month is 20 ℃, the monthly average relative humidity is 90%.
c. We have taken into account the condensation that may occur on the surface of the product due to temperature changes.
4. Pollution level
The pollution level used for the protector is level 2.
5. Installation category
Installation categories are II and III.
Main parameters and technical performance
| model | YJB1-63/AFDD |
| specifications | 2P |
| rated operational voltage | 230V |
| Rated current | 10/16/20/25/32/40/50/63A |
| Rated frequency | 50Hz |
| Rated short-circuit breaking | 4.5Kv |
| standard | GB/T31143 |
| Release characteristics | C, D |
| Minimum series arc and parallel arc | Serial arc: 5; Combined arc: 75 |
| rated impulse withstand voltage | 4Kv |
| Action Type | Instantaneous, delayed, with selectivity |
| protection grade | IP20 |
| ambient temperature | -40℃~+75℃ |
| altitude | 2000m |
| pollution degree | Ⅱ |
| mechanical life | >6000 times |
| Installation method | Standard rail installation |
Product size
For electrical maintenance and installation, it is necessary to ensure that the operator holds the qualification for electrical work and takes necessary power-off and insulation protection measures.
