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3 Pole MCCB Under Voltage Trip Circuit Breaker 250A High Performance

Categories Molded Case Circuit Breaker
Brand Name: KRIPAL
Model Number: UKM30L-250S 3P
Certification: CE
Place of Origin: China
MOQ: 100 pcs
Price: negotiable
Payment Terms: T/T, L/C
Supply Ability: 50000 pcs per month
Delivery Time: 20 days and depends on ordering quantity
Packaging Details: Each unit packed in a individual box
Current range: 10,125,150,175,200,215,250
Poles available: 3P
Rated working voltage: 400VAC
Rated insulation voltage: 690VAC
Protection: earth leakage
breaking capacity: 50/25
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    3 Pole MCCB Under Voltage Trip Circuit Breaker 250A High Performance


    3 Pole MCCB Under Voltage Trip Circuit Breaker 250A High Performance


    UKM30L Series Earth Leakage Circuit Breaker is developed with hi-tech in 1990S with completed protection functions, high performance, smart dimension which is the ideal replacements for the olds.


    Description:


    UKM30L series earth leakage circuit breaker are one of the new type earth leakage breakers which have been developed by the company using international advanced design and manufacturing technology. Suitable for a line of AC50Hz/60Hz, rated voltage up to 400V, rated current16A to 630A. And is acted as infrequent changeover of circuit or infrequent starting of motor. The breaker has overload, short-circuit and under-voltage protective function, which can protect the circuit and the power equipment against damage, meanwhile, it can provide protection to these fire dangers that caused by these long-time existed grounding fault that can not be detected by the over-current protection.


    Specifications:


    Frame rated current100250400
    ModelUKM30L-100SUKM30L-250SUKM30L-400S
    Ratedcurrent In(A)16,25,32,40,50,63,75,100100,125,150,175,200,225,250250,300,350,400
    Poles3 43 43 4
    Ratedvoltage Ui(V)AC690.50HZAC690.50HZAC690.50HZ
    Ratedvoltage Ue(V)AC400.50HZAC400.50HZAC400.50HZ
    Rated limit short/service breaking capitily Icu/Ics(KA)50/2550/2550/25
    Rated Actuation residual current30,100,300, 500mA30,100,300,500mA30,100,300,500mA
    Ratedresidual non-operattion current1/2In1/2In1/2In
    Rated residual short-circuit making & breaking capacity1/4Icu1/4Icu1/4Icu
    Operation charateristic (times) ON / OFF1500 / 85001000 / 7000500 / 4000

    The Earth Leakage Circuit Breaker can operate at the following working conditions:


    A. Ambient air temperature no more than +40º C and no less than -5º C

    B. Altitude no more than 2000m

    C. The relative air humidity is no more than 50% in the max. Temperature: +40º C. The higher relative humidity is allowable at the lower temperature. The min. Monthly means at the most moist month be no more than +25º C. The max. Monthly relative humidity at the most moist month be no more than 90%.

    D. Pollution degree: Grade III. There is no explosion factor, corrosive metal and the gas destroying the insulation and the electric dust full of the ambient atmosphere.

    E. Installation type: III

    F. The terminals of" 1, 3, 5, N1" is to connect to the power supply and the terminals of"2, 4, 6, N2"s to connect to the negative load.


    Overcurrent Protection Curve:



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