Our company's tenet is to meet the market demand in an all-round way with the best quality, the best price and the most complete variety of Outdoor Electrical Junction Box, CCTV Box, Junction Box Plastic, so as to provide the best value-added service for domestic and foreign users. In the next step of development, our company will adhere to the road of professional development. Relying on the strength of professional scientific research, market strength and brand strength to make our business bigger and stronger. Our products not only sell well in the domestic market, but also in the foreign market. In the future, our business layout, asset allocation and product design will all be centered on customer needs.
Product Description
MCB refers to miniature circuit breaker, also called micro circuit breaker. As a MCB OEM, our product has the characteristics of advanced structure, reliable performance, strong breaking capacity, beautiful appearance and small size. It is used for overload and short circuit protection of lighting, power distribution lines and equipment of office buildings, residences and similar buildings, and can also be used for infrequent on-off operations and conversion of lines. If you are looking for good MCB OEM, we are your good choice!
Features
1. The handle of MCB is being sealable or equipped with padlock bracket avoids dangerous operation changes (ON/OFF).
2. The handle provides a clear indication of the contact position
3. Adequate printing of all data on the front provides long-term identification
4. Energy limiting class of MCB OEM switch: 3
5. The emission of ionized gases is limited to the severest restrictions: 45 mm grid distance.
6. This MCB breaker for household in accordance with IEC60898 - B,C and D tripping characteristics.
7. This MCB circuit breakers for industry in accordance with IEC60947-2 instantaneous tripping characteristics with release B: 4ln, release C: 8ln, release D: 12ln

Technical Specifications
Standard: IEC60898-1, IEC60947-2
Approvals: CE
Rated Current ln(A): 6,10,16,20,25,32,40,50,63
Rated Voltage Un: AC 230/400V DC 250V/500V
Rated Frequency (Hz): 50/60
Number Of Poles: 1,2,3,4
Tripping Characteristic: B,C,D
Characteristic Curve B (In): 3 - 5
Characteristic Curve C (In): 5 -10
Characteristic Curve D (In): 10 -20
Rated Switching Capacity Icn (A): 6000
Degree Of Protection: IP20, with connected conductors
Electrical Life(times): 6,000
Mechanical Life(times): 15,000
Breaking Capacity
Fire Resistance According To UL 94: V0
Mounting Position: Any
Cross-sections Of Wire (mm2) : 25
Terminal Tightening Torque (N.M) : 2.5
Working Environment Temperature(°C) : -40~ +50,max 95% humidity
Altitude (meters) : Max 2000
Tripping Characteristic Curves
• IEC60898-1 Standard
| • Magnetic release An electromagnet with plunger ensures instantaneous tripping in case of short circuit. The IEC 60898 distinguishes three different types, following the current for instantaneous release: type B, C, D
|
TEST CURRENT | TRIPPING TIME | APPLICATIONS | |
B | 3 In 5 In | 0.1<t<45s(ln<32A) 0.1<t<90s(ln>32A) t<0.1s· | Only for resistive loads such as: -electrical heating -water heater -stoves loads such as |
C | 5 In 10 In | 0.1<t<15s(ln<32A) 0.1<t<30s(ln>32A) | Usual loads such as: -lighting -socket outlets -small motors |
D | 10 In 20 In | 0.1<t<4s(ln<32A) 0.1<t<8s(ln>32A) t<0.1s | Control and protection of circuits having important transient inrush currents (large motors) |
TEST CURRENT | TRIPPING TIME |
1.13 In | t>1h (ln<63A) |
1.45 In | t<1h (ln<63A) |
2.55 In | ls<t<60s(ln<32A) ls<t<120s(ln>32A) |
• IEC60947-2 STANDARD
| • Magnetic release -An electromagnet with plunger ensures instantaneous tripping in case of short circuit. -The standard leaves the calibration of magnetic release to manufacturers decision. -LWBX offers instantaneou's tripping ranges -release B: 4ln -release C: 8ln -release D: 12ln |
TEST CURRENT | TRIPPING TIME |
1.05 In | t>lh (ln<63A) |
1.30 In | t<lh (ln<63A) |
• Accessories Is Introduced
| Rated current: 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A;C is the action curve with limited current protection |
| Breaking capacity: 10000A |
| Rated voltage: AC 230/400V DC 250V/500V; The indicator window includes on and off. |
| Mechanism: Fast closing mechanism to avoid arc pulling. |
| Accessory: Assembly type buckle. There are attachments such as MV SD OF MN MVADN MN. |
| Accessory: Free-to-move buckle, easy to install and disassemble multipoles Breaker. |
| Contact: DADUKE company AgC4 contact |
| Raw Material: High temperature resistant PPS material produced in Japan ensures no deformation. |
| Arc-chutes: 0.8*12 |
| Assemble method: Can be installed in the front and back distri bution box |
| Structure: Same structure as Schneider C65N type |
| Terminal Frame: Error-preventing terminal frame and the wiring area is 25mm squared. |
| Booklet: Production instructions. |
| Packing info.: 12Pole each inner box; 180Pole each outer carton box |
• Outline Dimensions


| IEC60898 6KA | NO.of poles | Rated current ln(A) | Curve B Type | Curve C Type | Curve D Type |
![]() | ![]() |
1 | LWB1-B1-1 | LWB1-C1-1 | LWB1-D1-1 |
2 | LWB1-B2-1 | LWB1-C2-1 | LWB1-D2-1 | ||
3 | LWB1-B3-1 | LWB1-C3-1 | LWB1-D3-1 | ||
4 | LWB1-B4-1 | LWB1-C4-1 | LWB1-D4-1 | ||
6 | LWB1-B6-1 | LWB1-C6-1 | LWB1-D6-1 | ||
10 | LWB1-B10-1 | LWB1-C10-1 | LWB1-D10-1 | ||
16 | LWB1-B16-1 | LWB1-C16-1 | LWB1-D16-1 | ||
20 | LWB1-B20-1 | LWB1-C20-1 | LWB1-D20-1 | ||
25 | LWB1-B25-1 | LWB1-C25-1 | LWB1-D25-1 | ||
32 | LWB1-B32-1 | LWB1-C32-1 | LWB1-D32-1 | ||
40 | LWB1-B40-1 | LWB1-C40-1 | LWB1-D40-1 | ||
50 | LWB1-B50-1 | LWB1-C50-1 | LWB1-D50-1 | ||
63 | LWB1-B63-1 | LWB1-C63-1 | LWB1-D63-1 | ||
![]() | ![]() | 1 | LWB1-B1-2 | LWB1-C1-2 | LWB1-D1-2 |
2 | LWB1-B2-2 | LWB1-C2-2 | LWB1-D2-2 | ||
3 | LWB1-B3-2 | LWB1-C3-2 | LWB1-D3-2 | ||
4 | LWB1-B4-2 | LWB1-C4-2 | LWB1-D4-2 | ||
6 | LWB1-B6-2 | LWB1-C6-2 | LWB1-D6-2 | ||
10 | LWB1-B10-2 | LWB1-C10-2 | LWB1-D10-2 | ||
16 | LWB1-B16-2 | LWB1-C16-2 | LWB1-D16-2 | ||
20 | LWB1-B20-2 | LWB1-C20-2 | LWB1-D20-2 | ||
25 | LWB1-B25-2 | LWB1-C25-2 | LWB1-D25-2 | ||
32 | LWB1-B32-2 | LWB1-C32-2 | LWB1-D32-2 | ||
40 | LWB1-B40-2 | LWB1-C40-2 | LWB1-D40-2 | ||
50 | LWB1-B50-2 | LWB1-C50-2 | LWB1-D50-2 | ||
63 | LWB1-B63-2 | LWB1-C63-2 | LWB1-D63-2 | ||
![]() | ![]() |
1 | LWB1-B1-3 | LWB1-C1-3 | LWB1-D1-3 |
2 | LWB1-B2-3 | LWB1-C2-3 | LWB1-D2-3 | ||
3 | LWB1-B3-3 | LWB1-C3-3 | LWB1-D3-3 | ||
4 | LWB1-B4-3 | LWB1-C4-3 | LWB1-D4-3 | ||
6 | LWB1-B6-3 | LWBK6-3 | LWB1-D6-3 | ||
10 | LWB1-B10-3 | LWB1-C10-3 | LWB1-D10-3 | ||
16 | LWB1-B16-3 | LWB1-C16-3 | LWB1-D16-3 | ||
20 | LWB1-B20-3 | LWB1-C20-3 | LWB1-D20-3 | ||
25 | LWB1-B25-3 | LWB1-C25-3 | LWB1-D25-3 | ||
32 | LWB1-B32-3 | LWB1-C32-3 | LWB1-D32-3 | ||
40 | LWB1-B40-3 | LWB1-C40-3 | LWB1-D40-3 | ||
50 | LWB1-B50-3 | LWB1-C50-3 | LWB1-D50-3 | ||
63 | LWB1-B63-3 | LWB1-C63-3 | LWB1-D63-3 | ||
![]() | ![]() | 1 |
LWB1-B1-4
| LWB1-C1-4 | LWB1-D1-4 |
2 | LWB1-B2-4 | LWB1-C2-4 | LWB1-D2-4 | ||
3 | LWB1-B3-4 | LWB1-C3-4 | LWB1-D3-4 | ||
4 | LWB1-B4-4 | LWB1-C4-4 | LWB1-D4-4 | ||
6 | LWB1-B6-4 | LWBK6-4 | LWB1-D6-4 | ||
10 | LWB1-B10-4 | LWB1-C10-4 | LWB1-D10-4 | ||
16 | LWB1-B16-4 | LWB1-C16-4 | LWB1-D16-4 | ||
20 | LWB1-B20-4 | LWB1-C20-4 | LWB1-D20-4 | ||
25 | LWB1-B25-4 | LWB1-C25-4 | LWB1-D25-4 | ||
32 | LWB1-B32-4 | LWB1-C32-4 | LWB1-D32-4 | ||
40 | LWB1-B40-4 | LWB1-C40-4 | LWB1-D40-4 | ||
50 | LWB1-B50-4 | LWB1-C50-4 | LWB1-D50-4 | ||
63 | LWB1-B63-4 | LWB1-C63-4 | LWB1-D63-4 |
Our Services
Best Service -- Our #1 priority has always been providing our clients with great quality Box Pvc Junction Box and superior Customer service.
Quick Lead Time -- We're dedicated to provide the quickest turnaround times and work Hard to ensure that all of your deadlines are met.
Unbeatable Prices -- We continuously strive to find ways of reducing our production costs, and passing the savings Over to you!
Unbeatable Quality -- we always supply good quality also leading Box Pvc Junction Box to our VIP customers.
Brand Awareness -- The goal of any strong brand is to achieve a level of awareness that instills the idea of quality and value into all of your customers.
Special Offers -- In order to maintain our competitive edge, we are constantly running special offers on our products, consumer goods, and design services. Contact our sales team to see how we can help you save a lot of money.
Special support -- We have a policy term to support our VIP customers for products also payment.
About Services
1. Reply your inquiry in 24 working hours.
2. Experienced staffs answer all your questions in fluent English.
3. Customized design is available.
4. Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and staff.
5. Special discount and protection of sales are provided to our distributor.
6. Professional factory : We are manufacturer, specialized in producing all kinds of electrical equipment for more than 6 years, competitive with good quantity.
8. As an honest seller, we always use superior raw material, advanced machines, skilled technicians to ensure our products to be finished in high quality and stable feature. Welcome to contact us or visit our company.
FAQ
Q:Your MCB can be used in Europe?
A:Yes,our MCB with CE marked
Q:Can you offer free sample for the MCB?
A:Yes,we can,but the sample will be with our logo or without any logo
Q:Life time for the MCB
A:Electrical lif(times):6000pcs
Q:What the altitude(meter) the MCB can be used?
A:Max2000 meters
Q:which current you need for the MCB?
A:Normally 6,10,16,20,25,32,40,50,63A
Q:What the package for the junction box?
A:The junction box packed with plastic bag each product and outer package is brown carton
Q: We want to put our logo on products, OK?
A: Yes.
Q:We want to visit your factory, where is location?
A: Tangshan.
Q: Is it waterproof?
A: Yes!
Adhering to the all for the customer service attitude, our company can choose to send excellent and experienced engineers and technicians to provide you with various Zw32 Pole Mounted Power Circuit Breaker Electric Automatic Circuit Breaker manufacturing and technical consultation and maintenance services. We are in line with the 'product is the best spokesperson' the purpose of serving customers, adhering to the 'professional, large-scale, international' development direction and has been the care and love of people from all walks of life. You should really feel free of charge to speak to us.
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