ICHYTI Concentrates on the research, development and innovation of Non polarity DC circuit breaker in China. ICHYTI has owned many patents in solar products field.Meanwhile, ICHYTI produces different types of solar products which are applicable for the special occasion.
In the context of energy storage systems, the technical advantages of China Suppliers ICHYTI Non polarity DC circuit breaker (with no distinction between positive and negative poles for incoming and outgoing lines) are fully demonstrated.
This design breaks the polarity limitation of traditional DC circuit breakers. When there is a bidirectional current fault in the energy storage system (such as abnormal switching of battery charging and discharging states), it can achieve indiscriminate and fast disconnection, avoiding the problem of arc extinguishing failure caused by polarity connection, and greatly improving the reliability and installation convenience of the system operation.
Product Model |
|
NBL7-63 |
||
Pole |
|
1P |
2P |
4P |
Frame Current |
|
63A |
||
Rated Current |
In |
6, 10, 16, 20, 25, 32, 40, 5 |
0, 63 A |
|
Rated Working Voltage |
Ue(DC) |
300V |
500/600/1000V |
1000V |
Rated Insulation Voltage |
Ui |
1200V |
||
Rated Impulse Withstand Voltage |
Uimp |
6kV |
||
Breaking Capacity |
leu |
6KA |
||
Tripping Characteristic |
|
C |
||
Tripping Type |
|
Thermal Magnetic |
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Electrical Life |
Actual |
500 Cycles(63A Frame) |
||
Standard |
||||
Mechanical Life |
Actual |
10000 Cycles(63A Frame) |
||
Standard |
9700 Cycles |
|||
Overvoltage Category |
|
III |
||
Pollution Degree |
|
3 |
||
Ingress Protection |
|
IP40 Wiring Port IP20 |
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Resistance To Humidity And Heat |
|
Class 2 |
||
Terminal Capacity |
|
2.5 x 35mm2 |
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Fastening Torque Of Terminals |
|
2.0℃3.5Nm |
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Ambient Temperature |
|
-30℃~+70°C |
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Storage Temperature |
|
-40℃~+85℃ |
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Installation Method |
|
DIN |
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Standard |
|
IEC60947-2 |
◉ Optimize the contact opening distance: By accurately adjusting the distance between the moving and stationary contacts, the jumping distance of the DC arc is shortened, and the energy threshold for arc formation is physically reduced;
◉ Add an arc ignition coil: Construct an arc guidance mechanism using the principle of electromagnetic induction, so that the arc can be quickly guided to the arc extinguishing chamber regardless of whether the current flows in the forward or reverse direction;
◉ Gradual cutting of arc extinguishing grid: The grid array in the arc extinguishing chamber forcibly decomposes the introduced arc into multiple short arcs, and quickly cuts off the fault current through heat dissipation and ionization effects.
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