230VAC Surge Circuit Breaker , 12.5kA breaker with surge protection
Brand Name:Uchi
Certification:CE / SGS / ISO9001
Model Number:YCSCB-12.5/B-OV
Minimum Order Quantity:200 piece
Delivery Time:5-15 days after payment
Payment Terms:T/T, L/C, Western Union, D/P
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Location:
Dongguan Guangdong China
Address:
Room 810, Unit 2, Building 5, Huixing Commercial Center, Dongsheng Road No.1, Zhongshan Dong, Shilong Town Dongguan, GUANGDONG, 523326 CN
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Product Details
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Product Details
Type 1 12.5kA Overall Surge Circuit Backup protector perfect matching with SPD
Surge Special Circuit Breaker (SCB) Product advantage:
Impulse withstand current can up to12.5kA(10/350us) , no wrong action;
The ability to withstand the impact of current can up to 80kA(8/20us) , no wrong action;
Beautiful and generous appearance
Overall style, can't split
Small size, novel shape
extinguishing cover is attached inside, can cut off the continuous flow
Power frequency current through more than 3A trip;
perfect match with T1, T2,SPD
cut off more than 3A in 0.1-0.3s of low short current, to protect the SPD far away from firing
can cut off the amplitude of up to 100kA high short circuit currect, to protect the SPD from TOV damage
Product Parameter
| Style | YCSCB-12.5/B-OV |
| Short-circuit breaking capacity(Ics) | 6kA |
| Rated operational voltage(Ue) | 230V |
| Rated insulation voltage (Ui) | 400VAC |
| Impulse withstand current (Iemax) | 12.5kA(10/350us);80kA(8/20us) |
| Power frequency trip curren (Ii) | 3A |
| mechanical endurance(time) | 1000 |
| Maximum terminal connection | 25mm2 |
| IP | IP20 |
| Working environment temperature | -25℃～60℃ |
| Working environment humidity (room temperature) | 20%～90%RH |
| Installation rail | EN60715(35mm) |
What's SCB?
Surge special circuit breaker (SCB) is according to IEC61643-4-43 430.3, "before the circuit caused a danger, Should use appropriate overcurrent protection device "to solve when there is danger of SPD stream power frequency or dangerous power frequency quickly turns, leakage current and lightning current outdated and talk of security issues, to ensure that the SPD is not fire, lightning protection equipment efficiency, has been widely used to resolve the fuse or circuit breaker for external problems to protect the blind area from its, It is an ideal supporting device for voltage switching SPD and voltage limiting SPD in low voltage power supply system.
SCB compare的 with Fuse and circuit breakers
| SCB | Fuses and circuit breakers |
| SPD special backup protector, intelligent identification of lightning current and power frequency current. | Used for low voltage distribution leakage load, short circuit protection. |
| Surge impact is not tripped, residual low, lightning protection equipment continued effective | wrong action by surge, poor lightning protection performance, generally only 20KA, the equipment lost lightning protection and damage. |
| When the short circuit current >3A flowing through SPD is broken in 0.1-0.3s,SPD will not catch fire | Small current (several amperes) does not operate, its action value is 5~10 times its own rating,SPD fire combustion. |
| Power frequency short circuit breaking ability | Power frequency short circuit breaking capacity is insufficient, after the SPD fire, the short circuit arc continued to burn, causing a major fire accident. |
Application
It is applicable to the places where SPD lightning protection equipment has been installed, such as: industrial and civil construction, electrical, communication, road traffic, petrochemical and other industries of power equipment.
Surge Special Circuit Breaker (SCB) characteristics:
1.Lightning current shock continues to open, lightning protection continues to be effective, T1 level up to 25 Ka ；
2.Abnormal power network, power frequency current 3A speed off, SPD does not fire
3.Residual low pressure, equivalent fuse, more safe protection equipment
230VAC Surge Circuit Breaker , 12.5kA breaker with surge protection
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