L7 Mini Circuit Breaker MCB
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 Pieces pc
- Supply Capability:
- 10000 Pieces per Month pc/month
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Applications:
L7 has protective function of overload, and is used in lighting distribution system in industry, commerce, dwelling and protect fractional electric motors. They also have many merits of high protective grade (up to IP20), high breaking capacity, reliable sensitive action, convenient multi-pole assembling and long life. They are mainly adapted to the circuit of AC 50Hz, 230V in single-pole, 400V in double/three/four-pole for protecting overload and short circuit. Meanwhile, they are also used in turning on or off the electric apparatus and lighting circuit under the normal conditions.
Features:
1) Conforms to standards of electrical EN60898 (IEC898), GB10963-99
2) Rated current: 230V/400V, 50/60Hz
3) Rated breaking capacity: 10kA IEC898 (0.5 - 63A), 15kA IEC947-2 (0.5 - 63A)
4) Short circuit breaking capacity of DC: max. 48V (KL7, 10kA) single-pole, max. 250V (KL7-DC, 6kA) single-pole
5) Performance: C, D characteristic curve
6) Max. fuse that can be connected to: 100AgL (>10kA)
7) Selective grade: 3
8) Working ambient temperature: -5 - 40°C
9) Enclosed protective class: P40 (under mounting)
10) Life:
a) Electrical: not less of 8,000 times switching operation
b) Mechanical: not less of 20,000 times switching operation
Main technical parameters
| Type | L7 |
| Number of poles | 1P 2P 3P 4P |
| Rated Current(In) | 1-63A |
| Rated Voltage(Un) | AC 230(240)/400(415)V |
| Rated frequency | 50(60)Hz |
| Curve | B C D |
| Short-circuit breaking capacity(Icn) | 10000A |
| Magnetic releases operate | B curve: between 3 and 5 In/C curve: between 5 and 10 In/D curve: between 10 and 14 In |
| Endurance | ≥ 4000 |
| Terminal protection | IP20 |
- Q: What is the common function of the circuit breaker and the fuse?
- Circuit breaker protection is tripping, troubleshooting can be restored through the closing power supply, convenient
- Q: The air switch is different from the fuse
- Air switch is mainly to prevent over-current, loss of pressure, over voltage, short circuit, timely disconnect the load
- Q: What is the role of the circuit breaker
- Under normal circumstances, turn on and off the high voltage circuit in the no-load and load current.
- Q: What is the fuse of the fuse?
- The rated current of the melting tube is the current value determined by the permissible temperature rise of the long-term operation of the melt pipe.
- Q: Circuit breaker and fuse in the role of what in common
- Circuit breakers can be used to distribute power, not frequently start the asynchronous motor, the power lines and motors and other protection
- Q: Can the fuse be connected to the zero line?
- regulations have this provision! If the fuse installed in the zero line, if the fuse after the use of the state
- Q: Why does the fuse fail when the electric shock is electric
- The electric current of the electric shock is very small. 0.01A-0.1A can be fatal. So the fuse will not blow
- Q: Where the induction cooker fuse is located
- Induction cooker as long as the burning of insurance, basically the power tube breakdown caused by, and some even with a rectifier bridge breakdown,
- Q: Fuse always burn Is the line short circuit yet?
- the insurance has not been burned, indicating that all electrical work is normal no problem, while the use of electrical insurance It will burn, indicating that beyond the load, you can properly replace the fuse.
- Q: Fast break fuse and slow cut fuse difference
- capacitive or inductive circuit (switch machine when there is a surge), power input / output part of the most Good use of slow-blown fuse;
1. Manufacturer Overview
| Location | Zhejiang,China |
| Year Established | 2010 |
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2. Manufacturer Certificates
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3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | SHGNHAI |
| Export Percentage | |
| No.of Employees in Trade Department | |
| Language Spoken: | ENGLISH,CHINESE |
| b) Factory Information | |
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L7 Mini Circuit Breaker MCB
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 Pieces pc
- Supply Capability:
- 10000 Pieces per Month pc/month
OKorder Service Pledge
OKorder Financial Service
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