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CNC Electric Group Co., Ltd.

Earth Leakage Circuit Breaker, Mccb, Moulded Case Circuit Beaker manufacturer / supplier in China, offering New Type MCCB Ycm9lz Earth Leakage Circuit Breaker, Hot Product Residual Current Circuit Breaker (YCB7LE-1P+N), Distribution Box (YC-XSA) and so on.

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New Type MCCB Ycm9lz Earth Leakage Circuit Breaker

FOB Price: Get Latest Price
Min. Order: 10 Pieces
Production Capacity: 2000 PCS/Day
Transport Package: Export Package
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: YCM9LZ
  • Operation: Manual Type
  • Installation: Fixed
  • Poles Number: 4
  • Function: Ovp(Overvoltage Protection)
  • Colour: Black
  • Frequency: 50/60Hz
  • Rated Insulating Voltage: 800V(690V for 100A)
  • Rated Voltage: 380/400V
  • Specification: CE, CB, ISO9001, 14001
  • Breaking Capacity: Low Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Structure: Moulded Case Circuit Breaker
  • Type: Circuit Breaker
  • Certification: CE
  • Certificate: ISO9001,CE
  • Rated Current in: 40-630A
  • Operating Voltage: 690V
  • Trademark: CNC
  • Origin: Wenzhou, China
Product Description
- China Top 500 Enterprise
- 26 years rich experience in manufacturing electrical products
- Sales in over 100 countries

New Type MCCB YCM9LZ Earth Leakage Circuit Breaker

Product Overview
YCM9LZ series residual current operation circuit breaker(shortened as auto reclosing) is a newly-developed new-generation integrative multi-functional 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 functions of auto-reclosing after residual current operation circuit breaker acts when residual current, under-voltage, overvoltage, 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 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.
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. 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.


New Type MCCB Ycm9lz Earth Leakage Circuit Breaker
Main Technical Parameter  
1. Technical Specification  
Frame 100 250
Rated insulation voltage Ui(V) 690 800
Rated impulse withstand voltage Uimp(kV) 6 6
Rated working voltage Ue(V) 380/400 380/400
Working category A A
Breaking capacity Icu/Ics 35/17.5 50/25
Rated current(A) Thermalelectromagnetic type 40/50/63/80/100 100/125/160/180/200/225/250
Electronic type 40-100(adjustable) 100-250 (adjustable)
Rated residual operation current IΔn(mA) 75/150/300/500 75/150/300/500
Rated residual no-operation current (mA) 1/2IΔn
Maximum breaking time (s) 0.2/0.5/OFF(residual current alarm no trip)
Re-closing time (s) 20-60
Residual operation type AC
Weight (kg) 3 4
       
       
       
Frame 400 630
Rated insulation voltage Ui(V) 800 800
Rated impulse withstand voltage Uimp(kV) 6 6
Rated working voltage Ue(V) 380/400 380/400
Working category A A
Breaking capacity Icu/Ics 70/35 70/35
Rated current(A) Thermalelectromagnetic type 200/250/315/350/400 400/500/630
Electronic type 160-400(adjustable) 250-630(adjustable)
Rated residual operation current IΔn(mA) 100/150/300/500 100/300/500/1000
Rated residual no-operation current (mA) 1/2IΔn
Maximum breaking time (s) 0.2/0.5/OFF(residual current alarm no trip)
Re-closing time (s) 20-60
Residual operation type AC
Weight (kg) 10 12
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.
 
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