Ycm8-Hu Series Photovoltaic DC 3p 1000V MCCB Molded Case Circuit Breaker
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| Customization: | Available |
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| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Manual Type |
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Basic Info.
- Model NO.
- YCM8 HU
- Speed
- Normal Type Circuit Breaker
- Arc-extinguishing Medium
- Air
- Installation
- Insert
- Structure
- MCCB
- Poles Number
- 1
- Type
- Circuit Breaker
- Function
- Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
- Certification
- CE, CB, CCC
- Shell Frame Current
- 63A 160A 250A 400A 630A 800A
- Product Type
- AC High Voltage
- Number of Poles
- 3 4
- Certifications
- CE
- Isolation Function
- Yes
- Tripping Type
- Thermal-Magnetic Type
- Transport Package
- Standard Packaging
- Specification
- YCM8 HU
- Trademark
- CNC
- Origin
- Zhejiang, China
- HS Code
- 85362000
- Production Capacity
- 8000units/Years
Packaging & Delivery
- Package Size
- 50.00cm * 45.00cm * 45.00cm
- Package Gross Weight
- 20.000kg
Product Description
General
YCM8-HU series AC molded case circuit breaker is suitable for AC grid circuits with rated voltage up to AC1140V and rated current of 800A. The circuit breaker has the functions of overload long-time delay protection and short-circuit instantaneous protection, and is used to distribute electric energy and protect lines and power supply equipment from overload, short circuit and other faults.
Features
Ultra-wide breaking capacity:
rated working voltage up to AC1140V and rated current up to 800A. Under AC800V working conditions, Icu=Ics=36.5KA, ensuring reliable short-circuit protection.
Ultra-long arc-extinguishing chamber:
the arc-extinguishing chamber has been improved as a whole, with more arc- extinguishing plates, greatly improving the product's breaking characteristics.
Application of narrow-slot arc-extinguishing technology:
advanced current-limiting and narrow-slot arc-extinguishing technology is applied, which enables the high voltage and high short-circuit current to be cut off very quickly, facilitating the extinguishing of the arc in the shortest possible time, effectively limiting the energy and current peak, and greatly reducing damage to cables and equipment caused by short-circuit currents
Selection
| 250 | S | HU | / | 3 | 125A | AC800 |
| Shell frame current | Breaking capacity | Product type | / | Number of poles | Rated current | Rated voltage |
| 250(63~250) 320(250~320) 400(225~400) 630(500~630) 800(700~800) | S: Standard breaking N: Higher breaking |
HU: AC high voltage |
/ |
3 |
63, 80, 100, 125 140, 160, 180 200, 225, 250 280, 315, 320 350, 400, 500 630, 700, 800 |
AC800 AC1140 |
| Model | YCM8- 250HU | YCM8- 320HU | YCM8- 400HU | |||||||||||||||||||
Appearance |
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| Shell frame current Inm(A) | 250 | 320 | 400 | |||||||||||||||||||
| Number of poles of products | 3 | 3 | 3 | |||||||||||||||||||
| AC working voltage(V) | 415 | 690 | 800 | 1140 | 415 | 690 | 800 | 1140 | 415 | 690 | 800 | 1140 | ||||||||||
| Rated insulation voltageUi(V) | AC1150 | AC1150 | AC1150 | |||||||||||||||||||
| Rated impulse withstand voltage Uimp(KV) | 8 | 8 | 12 | |||||||||||||||||||
Rated current In(A) |
63, 80, 100, 125, 140, 160, 180, 200, 225, 250 |
280, 315, 320 |
225, 250, 315, 350, 400 |
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Ultimate short-circuit breaking capacity Icu (kA) |
S | 85 | 50 | 36.5 | 10 | 85 | 50 | 36.5 | 10 | 85 | 50 | 36.5 | 10 | |||||||||
| N | / | / | 100 | 60 | 50 | 15 | ||||||||||||||||
| Running short-circuit breaking capacity Ics(kA) | Ics=100%Icu | |||||||||||||||||||||
| Wiring method | Up in and down out, down in and up out, Down in and up out, up in and down out(3P) | |||||||||||||||||||||
| Isolation function | Yes | |||||||||||||||||||||
| Tripping type | Thermal-magnetic type | |||||||||||||||||||||
| Electrical life(time) | 3000 | 3000 | 2000 | 3000 | 3000 | 2000 | 1000 | 1000 | 700 | |||||||||||||
| Mechanical life(time) | 20000 | 20000 | 10000 | |||||||||||||||||||
| Standard | IEC/EN60947-2 | |||||||||||||||||||||
| Attached accessories | Shunt,Alarm,Auxiliary,Manual operation,Electric operation | |||||||||||||||||||||
| Certifications | CE | |||||||||||||||||||||
| Overall dimension (mm) |
|
Width(W) | 107 | 107 | 182 | |||||||||||||||||
| Height(H) | 180 | 180 | 250 | |||||||||||||||||||
| Depth(D) | 126 | 126 | 165 | |||||||||||||||||||
| Model | YCM8-630HU | YCM8-800HU | |||||||||
Appearance |
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| Shell frame current Inm(A) | 630 | 800 | |||||||||
| Number of poles of products | 3 | 3 | |||||||||
| AC working voltage(V) | 415 | 690 | 800 | 1140 | 415 | 690 | 800 | 1140 | |||
| Rated insulation voltageUi(V) | AC1150 | AC1150 | |||||||||
| Rated impulse withstand voltage Uimp(KV) | 12 | 12 | |||||||||
Rated current In(A) |
500, 630 |
630,700, 800 |
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Ultimate short-circuit breaking capacity Icu (kA) |
S | 85 | 50 | 36.5 | 10 | 85 | 50 | 36.5 | 10 | ||
| N | 100 | 60 | 50 | 15 | 100 | 60 | 50 | 15 | |||
| Running short-circuit breaking capacity Ics(kA) | Ics=100%Icu | ||||||||||
| Wiring method | Up in and down out, down in and up out, Down in and up out, up in and down out(3P) | ||||||||||
| Isolation function | Yes | ||||||||||
| Tripping type | Thermal-magnetic type | ||||||||||
| Electrical life(time) | 1000 | 1000 | 1000 | 700 | 1000 | 1000 | 1000 | 700 | |||
| Mechanical life(time) | 5000 | 5000 | |||||||||
| Standard | IEC/EN60947-2 | ||||||||||
| Attached accessories | Shunt,Alarm,Auxiliary,Manual operation,Electric operation | ||||||||||
| Certifications | CE | ||||||||||
| Overall dimension (mm) |
Width(W) | 182 | 182 | ||||||||
| Height(H) | 250 | 250 | |||||||||
| Depth(D) | 165 | 165 | |||||||||
Auxiliary contact
Auxiliary contact current parameters
| Rated current of shell frame grade | Agreed heating current Ith | The rated working current at AC 400V |
| Inm<320 | 3A | 0.30A |
| Inm>400 | 6A | 0.40A |
Generally installed in the Phase A of the circuit breaker, when the rated control power voltage is between 70% - 110%, the shunt releaseshall make the circuit breaker trip reliably under all operating conditions.
Control voltage: conventional: AC 50Hz, 110V, 230V, 400V, DC 24V.
Note: when the power supply of the control circuit is DC24V, the following figure is recommended for the design of the shunt control circuit.
KA: DC24V intermediate relay, contact current capacity is 1A
K: the microswitch in series with the coil inside the release aid is a normally closed contact. When the circuit breaker is disconnected, the contact will automatically disconnect and close when it is closed.
Overall and mounting dimension of external accessories
Model and specification of rotating operating handle mechanism
| Model | H | B | B1 | A | A1 | D |
| YCM8-250/320HU | 188.5 | 116 | 126 | 90 | 35 | 4.2 |
| YCM8-400/630/800HU | 244 | 176 | 194 | 130 | 48 | 6.5 |
Model |
L |
A | B |
C |
E | ||
| Without zero arcing cover | With zero arcing cover | Without zero arcing cover | With zero arcing cover | ||||
| YCM8-250HU | 40 | 100 | 165 | 40 | 40 | 100 | 165 |
| YCM8-320HU | 40 | 100 | 165 | 40 | 40 | 100 | 165 |
| YCM8-400HU | 40 | 100 | 165 | 40 | 40 | 100 | 165 |
| YCM8-630HU | 40 | 100 | 165 | 40 | 40 | 100 | 165 |
| YCM8-800HU | 40 | 100 | 165 | 40 | 40 | 100 | 165 |
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