Auto Reclosing RCCB YCM9LZ earth leakage circuit breaker

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$100.00 - $300.00 / Piece | 10 Piece/Pieces (Min. Order)
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Overview
Quick Details
Place of Origin:
Zhejiang, China
Brand Name:
CNC
Model Number:
YCM9LZ
Type:
Residual Current, Auto Self Reclosing RCCB
Poles Number:
3,4
Rated insulation xoltage:
690,800V
Rated current:
Up to 630A
Reclosing time:
20-60S
Rated operation voltage:
380/400V
Product type:
electronic, thermal electromagnetic
Rated residual operation current:
75-500mA
Residual operation type:
AC
Ambivalent Temperature:
-5°C~+40°C
Standard:
GB14048.2
Supply Ability
Supply Ability:
2000 Piece/Pieces per Day
Packaging & Delivery
Packaging Details
As your requirment
Port
Ningbo
Lead Time :
7-15 Days

 

About CNC

      1. China Top 100 Industrial Electrical Enterprise
      2. 26 years rich experience in manufacturing electrical products
      3. China Top 500 Manufacturing Enterprise

  Auto Self Reclosing RCCB YCM9LZ earth leakage circuit breaker  

General

     YCM9LZ series residual current operation circuit breaker(shortened as auto reclosing) is anewly-developed new-generative multi-function product which adopts patent technology and conforms to all intelligent requirements of state grid administration.It's the priority product to cooperate with China National Grid.

      It is equipped with functions of short-circuit,over-current,residual current ,phase failure,off zero and special wave;Apart from these,we also have residual current display ,real-time load current display, phase voltage display ,on-off indication,time display and fault inquiry;What's more ,it has function of auto-reclosing after residual current operation circuit breaker acts when residual current ,under-voltage,overrated,phase failure happens.
      It is used in power distribution circuit of AC 50Hz rated insulation voltage 800V(690V for 100A frame current ),rated voltage 380/400V,rated current 40A-630A to distribute energy and protect circuit line. It is wideiy used in three four wire neutral point directly grounded(TT system) LV grid to provide indirect contact protection against personal electric shock hazard and also is used to protect against grounding fault,over-current and short-circuit of circuit or equipments. It is widely installed at vacant facilities such as city grid,metering box and LV IPcabinet(integrated meter box of power transformer) of transformation of rural power network, rebroadcasting station on mountains, base station; independent facilities,power cabinet, and distribution board for traffic light system.When the circuit breaker trips because of Temporary earth leakage or instantaneous earth leakage or voltage fault caused by electric surge, the power can be restored directly through self re-closing function without manual operation.
      The circuit breaker can be installed vertically as well as horizontally.
Model and Explanation
earth leakage circuit breaker
 Conformity Standard
Conforms to GB14048.2 standard
Working and Installation Condition
1.Altitude≤2000m
2.Ambivalent Temperature:-5°C~+40°C, average temperature≤35°C within 24h.
3.Atmospheric condition: relative humidity below 50% when maximum temperature is 40°C; high relative  humidity for low  temperature, for example, 90% humidity for 20°C. Meanwhile, the monthly average minimum temperature is 25°C. Take special measures to deal with condensation caused by temperature change.
4.Installation Condition
   Installed in places without shock and water, snow immersion. 1, 3, 5 side terminals are connected to  the power while 2, 4, 6 side connects to load side. Tilt degree against vertical surface below 5°.
5.Installation category: III
6.Pollution class: 3
          

Product Application
1.It is widely used in three phase four wire neutral point directly grounded(TT system) LV grid to provide indirect contact protection against personal electric shock hazard and also is used to protect against grounding fault, over-current and short-circuit of circuit or equipments.     

earth leakage circuit breaker

2.It is widely installed at vacant facilities such as city grid, metering box and LV IP cabinet (integrated meter box of power transformer) of transformation of rural power network, rebroadcasting station on mountains, base station; independent facilities, power cabinet, and distribution board for traffic light system.  Application diagram of Intelligent Auto-reclosing Residual Current Operation Circuit Breaker in JP Panelearth leakage circuit breaker

3.When the circuit breaker trips because of Temporary earth leakage or instantaneous earth leakage or voltage fault caused by electric surge, the power can be restored directly through self re-closing function without manual operation.

Working Principle of YCM9LZ Residual Current Operation Circuit Breaker
1.Detection
Adopt zero-sequence current transformer, current transformer and voltage transformer to detect the real-time change of leakage current, load current and
power voltage.
2.Measurement and Comparison
Calculate and judge if leakage current, load current, power voltage exceeds tripping limitation through micro-computer Controller MCU
3.Tripping and Self-reclosing
When load current, leakage current or power voltage exceeds the tripping limitation, micro-computer controller MCU commands Magnetic flux converter release and execute self-reclosing according to different fault type.

Main Technical Parameter
Table 1

earth leakage circuit breaker

earth leakage circuit breaker

Note: We can customize any of the four types(75mA, 150mA, 300mA, 500mA) for 100/250 frame.
We can customize any of the four types(100mA, 150mA, 300mA, 500mA) for 4001/630 frame.

2. Protection Characteristics of Thermal Electromagnetic Over-current Release

earth leakage circuit breaker

3. Protection Characteristics of Electronic Type Overload Long-time Delay

earth leakage circuit breaker

 4. Short-circuit Instantaneous Protection

earth leakage circuit breaker

 5. Voltage protection (The function can be set ON and OFF.)

    Under-voltage Protection Parameters

earth leakage circuit breaker

    Over-voltage Protection Parameters

earth leakage circuit breaker

6. Function Selection Table

earth leakage circuit breaker

 

Pictures

 

earth leakage circuit breaker

earth leakage circuit breaker

 

  earth leakage circuit breaker