• Miniature Circuit Breaker System 1
Miniature Circuit Breaker

Miniature Circuit Breaker

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Loading Port:
Wenzhou
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
10000pcs PCS/month

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Technical Data
◆Number of poles:1,2,3,4,1+N,3+N
◆Nominal current In(A): 1,2,3,4,6,8,10,13,16,20,25,32,40,50,63
◆Characteristics:
◇B The short-circuit release is to be set up to 3 In through 5 In.It serves especially for protection of circuits with such devices which do not cause any current surges(lights or socket circuits etc.)
◇C The short-circuit release is to be set up to 5 In through 10 In.It serves especially for protection of circuits with such devices which cause some current surges(groups of bulbs, motors etc.)
◇D The short-circuit release is to be set up to 10 In through 20 In. It serves especially for protection of circuits with devices which cause high current surges(transformers,double-pole motors,motors with heavy start etc.)
◆Nominal voltage:
◇1P (single-pole)~230/400V 50/60Hz
◇3P (three-pole)~400V 50/60Hz
◆Rupturing capacity:
◇EN60898-10,000A(nominal short-circuit and operational rupturing capacity)
◆Protection:IP40 for a sole MCB with its design, it protects against a hazardous finger or instrument touch as well as against very small foreign objects; It is without any protection against water leakage (water protection is to be solved with design of the switchboard casing)
◆Ambient temperatue: -5oC to +40oC pursuant to EN60898
◆Gauging temperature:+30oC pursuant to EN60898
◆Max.pre-inserted fuse:100AgG(>10kA)
◆Mechanical lifetime:≤20,000 cycles
◆Electrical lifetime:≤8,000 cycles
◆Fastening:By means of an unique snap mechanism(with arrestment in final positions)the carrying DIN strip EN50022,width 35mm, or even onto the falt surface by means of screws.
◆Removal form the DIN strip:
◇By means of an unique auxiliary snap mechanism, the MCB誷 can be removed even from a row of devices mutually interconnected by a forked or reed rack strip without necessity to dismantle the whole interconnecting strip.
◆Input terminals:
◇Clip terminals(with barrier layer), snap-locked against the worse input of a conductor
◇The input and output can be interchanged
◇They enable more conductors as well as interconnecting strips to be connected
◆Connect ability of conductors (Maximum cross-sections):
◇35mm2 solid conductor
◇25mm2 stranded conductor
◆Terminal protection:IP20
◆Tightening moment for terminals
◇2Nm(combined slotted-head screw)
◆Manufacture standard
◇EN60898,same to IEC 60898
◆Selectivity calss:3
◆Colored levers:
For better distinction among circuits in the switchboards,we supply also miniature circuit breaker with distinction of nominal currents by means of colored levers corresponding to the colors of turn fuses
◇0.2A-1.6A(Black)
◇2A(Pink)
◇4A(Brown)
◇6A(Green)
◇8A(Light green)
◇10A(Red)
◇13A(Sandy)
◇16A(Grey)
◇20A(Blue)
◇25A(Yellow)
◇32A(Purple)
◇40A(Black)
◇50A(White)
◇63A(Copper-colored)
◆Can be delivered also with only black levers
◇1-63(Black)


Q: s the MCB switch a circuit breaker or a component on the circuit breaker?
or the sum of the maximum power that can be tolerated by the "wire diameter" in each circuit The Whether it is necessary to consider (need coefficient, power factor), if not, in that case only to consider.
Q: Discussion on the Selection of Circuit Breaker in Low Voltage Circuit
Frame circuit breakers have reached this standard). Also in the segment ability,
Q: Circuit system diagram how the circuit breaker said
Most of the power applications are used in conjunction with circuit breakers and disconnectors, with the circuit breaker, load (fault) current, with the isolation switch to form a clear point
Q: Load switch, vacuum switch and circuit breaker
Load switch: can safely cut off the load current, can not cut off the short circuit current
Q: How to switch from the circuit breaker switch button, the difference is short circuit protection or overload protection?
The circuit breaker is called open SPACE> This is a switch that can automatically protect the low voltage distribution <aka air circuit breaker switchgear
Q: Switch switch, disconnector, circuit breaker difference? What are the possible functions of each?
in the maintenance as a clear point, and can not carry sub-gate, or will pull the arc ACCIDENT.
Q: How long is the circuit breaker long delay time?
within the specified time to carry and break the abnormal circuit under the conditions of the current
Q: Is there a sequence of circuit breakers and disconnectors?
At the time of power transmission, because the circuit breaker and the disconnector are in the disconnected state, there is no current in the circuit when the switch is disconnected first,
Q: Circuit breaker generally choose what ah?
so RCD can cut very sensitive ground fault protection circuit can also be directly Use contact with backup shock protection.
Q: Is it possible to switch the lamp directly with a circuit breaker?
Circuit breaker according to its use is divided into high-voltage circuit breakers and low-voltage circuit breakers, high and low voltage line is more vague, generally more than 3kV called high-voltage electrical appliances.

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