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iso certificated types of electrical circuit breaker
- 1200 Piece / Pieces per Month
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Product Details
Place of Origin: | Shanghai, China | Brand Name: | SHILIN | Model Number: | SBTW1 |
Product Description
Technical specifications
Frame size rated current Inm (A) | Rated current In A |
2000 | 400 , 630 , 800 , 1000 , 1250 , 1600 , 2000 |
3200 | 2000 , 2500 , 2900 , 3200 |
4000 | 3200 , 3600 , 4000 |
6300 | 4000 , 5000 , 6300 |
Circuit breaker rated short-circuit breaking capacity and rated short-time withstand current, Arcing- over distance is zero.
Size current Inm (A) | 2000 | 3200 | 4000 | 6300 | |
Rated limit short-circuit breaking | 400V | 85 | 100 | 100 | 120 |
capacity Icu (KA) O-CO | 690V | 50 | 65 | 65 | 80 |
Rated short-circuit connecting capacity N×Icu (KA)/ cosa | 400V | 176/0.2 | 220/0.2 | 220/0.2 | 264/0.2 |
690V | 105/0.25 | 143/0.2 | 143/0.2 | 187/0.2 | |
Rated operating short-circuit breaking | 400V | 50 | 65 | 65 | 80 |
capacity Icu (KA) O-CO | 690V | 40 | 50 | 50 | 70 |
Rated operating short-circuit breaking | 400V | 50 | 65 | 65/80(MCR) | 85/100(MCR) |
capacity Icu (KA) O-CO | 690V | 40 | 50 | 50/65(MCR) | 65/75(MCR) |
Note: last hour line and next enter line of breaking capacity in the table are the same. |
Earthing fault
Largest power loss of the breaker is 360W. Breaker's rated continuous current changes under different conditions.
Temperature℃GTW1 | 400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A |
40 | 400A | 630A | 800A | 1000A | 1250A | 1600A | 2000A |
50 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1900A |
60 | 400A | 630A | 800A | 1000A | 1250A | 1550A | 1800A |
Note: 2500A or above derating factor is 0.9, including 4000A none-derating among 6300A. |
Intelligent over-current controller protection characteristic and function
Over-current controller protection feature
a.Controller's setting value Ir (I/ In) and accuracy
Long-delay | Short-delay | Instantaneous | arthingfault | ||||
Ir1 | Ir2 | Accuracy | Ir3 | Accuracy | Accuracy | ||
(0.4-1)In | (0.4-15)In | ±10% | In~50KA(Inm=200A) | ±15% | Inm=2000~4000A(0.2~0.8) | Inm=6300A(0.2-1.0)In | ±10% |
In~75KA(Inm=3200~4000A) | InMax.1200AMin.160A | ||||||
In~100KA(Inm=6300A) | |||||||
Note:when required three-section protection at the same time,setting values can't intercross. |
b.Long time delay overcurrent protection characteristics I2TL=(1.5Ir1) 2 tL Operative time of (1.05~2.0)Ir1 view table below, time accuracy is ±15%.
Note: tL- long time delay setting for 1.5 Irs, TL- long time delay operative time
c.Short time delay over-current protection characteristic
d.Short time delay over-current protection is with fixed time setting. When inverse time limit is required to be low multiples, its characteristic
should according to I2Ts=(8Ir1) 2 ts, ts is for common delay time setting; when pver load current >8 Ir1 , automatically changes to fixed
time setting characteristic, its characteristic view table below, time accuracy is ±15%.
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Inquiries will be replied in 2 hours.
One year warranty for all products.
Engineer field-service supported if needed.
1%-2%Spare Parts prepared .
OEM and ODM are available
How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality.
What about the lead time for mass production?
About 7-15days depends on your quantity.
What is your terms of delivery?
We accept FOB,CIF,etc. You can choose the one which is the most convinent or cost effective for you.
Do you have inspection procedures for products?
100% self-inspection before packing
Can I have a visit to your factory before the order?
Welcome! My Shanghai factory address: 1830 East Wang Wei Road Fengjing Industrial Park Jinshan District,Shanghai,CN
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Contact Us
- Shanghai Boosan Technology Co., Ltd.
- Contact nameNora LIN
- Phone86-021-61176361
- AddressNo. 1830, Wangwei East Road, Fengjing Ind. Park
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