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Zhejiang KRIPAL Electric Co., Ltd.
Zhejiang KRIPAL Electric Co., Ltd 30 years experience in manufacturing ac contactor, rotary isolator switch, industrial plug socket, molded case circuit breaker and etc
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Molded Case Circuit Breaker Earth Leakage

Zhejiang KRIPAL Electric Co., Ltd.
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Molded Case Circuit Breaker Earth Leakage

Brand Name : KRIPAL

Model Number : UKM30L-250S 4P

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 : 100,125,150,175,200,215,250

Poles available : 4P

Rated working voltage : 400VAC

Rated insulation voltage : 690VAC

Protection : earth leakage

breaking capacity : 50/25

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125,150,175,200,215,250A Molded case earth leakage circuit breaker 4 Poles

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.


The ELCB is applied in the power system of AC 50Hz, rated voltage up to 400V and rated current up to 400A, for power distribution and protecting Power system from overload, short circuit, faults damage etc. it also can be used to control infrequent operation.

The rated residual operating current In and the maximum breaking time can be adjusted on site according to practical condition.

The leakage protection module still can work normally when the phase voltage reduce to 50V. It has the same overall size with the UKM30L series circuit breakers, which make the installation more exchangeable.

The circuit breakers comply with the demands of the IEC60947 standards.


Frame rated current100250400
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


Wiring of the circuit breaker cannot be in adverse direction that means power supply line must be connected to terminal 1, 3 and 5, and the load line connected to terminal 2, 4 and 6.


Our service:

1. Samples: provided freely

2. Package: packed in standard cartons, special packing is negotiable

3. Warranty: 2 years at least

4. Delivery: within 30days after received the deposit.

5. OEM, ODM is acceptable

6. We can help you with any of your idea to design and put it into production.

7. Provide help for building factories, such as: spare parts, technical questions, financial matter,

management problem, approach of sales...

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Earth Leakage Circuit Breaker


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