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Single Pole Circuit Breaker 50 amp MCB Automatic Electric Switch

Single Pole Circuit Breaker 50 amp MCB Automatic Electric Switch

  • Single Pole Circuit Breaker 50 amp MCB Automatic Electric Switch
Single Pole Circuit Breaker 50 amp MCB Automatic Electric Switch
Product Details:
Place of Origin: China
Brand Name: KRIPAL
Certification: CE
Model Number: UKB7-1P
Payment & Shipping Terms:
Minimum Order Quantity: 1000 pcs
Price: negotiable
Packaging Details: 12 poles packed in one small box and then in carton
Delivery Time: 20 days and depends on ordering quantity
Payment Terms: T/T, L/C
Supply Ability: 200000 pcs per month
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Detailed Product Description
Color: White Enclosure, Blue Handle Breaking Capacity: 10 Ka
Poles Available: 1pole, 2 Pole, 3 Pole, 4pole Curve: B; C; D
Range: Same Range As UKB7Z, UKF7, UKL7,UKB7LE,
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Single Pole Circuit Breaker 50 amp MCB Automatic Electric Switch



A mini circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect a fault condition and interrupt current flow. Unlike afuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation. Circuit breakers are made in varying sizes, from small devices that protect an individual household appliance up to large switchgear designed to protect high voltage circuits feeding an entire city.





1. Protection against both overload and short circuit


2. High short-circuit capacity


3. Contact position indication


4. Applicable to terminal and pin/fork type busbar connection


5. Easy mounting onto 35mm DIN rail



Technical Data:

Technology Specification & Electrical Specification
Electric standard IEC60898; GB 10963
Rated voltage 230V; 50HZ          230V/400V
Rated surplus operating current 10; 30; 100; 300mA
Selection grade 3
Rated braking capacity 10kA IEC898
Rated current 0.5-63A
Tripping character B, C, D characteristic curve
Maximum connected fuse 100A gL(> 10kA)
Work environment temperature -5 to +40 degree
Case protection grade IP40 after installation
Electric life Not less than 8000 times of breaking and closing
Mechanical life Not less than 2000 times of breaking and closing
Mechanical Parameter
Installation mode Installation at the DIN guide rail of 35mm
Terminal block capacity Conductor1-25mm; Generatrix thickness 0.8-2mm
The length of exposed plane 45mm
Enclosure height 80mm
Enclosure width 17.5mm every pole
Auxiliary contact UKZ7-AHK
Contact with alarm indication UKZ7-NHK
Shunt trip UKZ7-ASA
Under voltage trip UKZ7-USD




1. MCB is for non-professional operation by those untrained, and no maintenance is required


2. Satisfying conditions and applications as mentioned above,MCB with “ON-OFF” indicating device is considered suitable for isolation function.


3. Particular devices such as surge protective devices,surge arrester etc are recommended to install at upstream line to MCB as precaution against potential surge voltage and current occurring at its power input side.


4. Appropriate tripping curve being chosen and properly installed, MCB trips and switches off its protected circuit in case of fault, and thus provides protection against electric shock.



Load capacity:


Single Pole Circuit Breaker 50 amp MCB Automatic Electric Switch 0



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...

Contact Details
Zhejiang KRIPAL Electric Co., Ltd.

Contact Person: Allen

Send your inquiry directly to us
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