Meanwhile, our company staffs a team of experts devoted to the development of Circuit Breaker AMP, DB Box Electrical, Power Distribution Box. Our company relies on advanced equipment, mature research and development technology foundation, market foundation, brand foundation, team foundation at all levels. We have vigorously implemented the talent development strategy, and formed a fair and equitable employment mechanism that embraces all the talents. Our company attaches great importance to the development of new products, new technologies and system innovation.
Features
1. The handle of circuit breaker amp 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 circuit breaker switch: 3.
5. The emission of ionized gases is limited to the severest restrictions: 45 mm grid distance.
6. This circuit breaker amp 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
8. This MCB mini circuit breakers may be extended with:
A wide range of RCDs
Full sets of additional components
Full sets of accessories
Functions
-Overload protection
-Short circuit protection
-Isolation -Controlling
Circuit breaker amp used in residential building, non-residential building, industry, energy infrastructure
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) |
• Thermal Release
-The release is initiated by a bimetal strip in case of overload
-The standard defines the range of release of specific overload values
-Reference ambient temperature is 30°C
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 |
• Thermal Release
-The release is initiated by a bimetal strip in case of overload
-The standard defines the range of release for two specific overload values -Reference ambient temperature is 30°C for LWBX
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; Band limited current protection |
Breaking Capacity: 6000A |
Rated voltage: AC 230/400V DC 250V/500V; The indicator window includes on and off. |
Handle: Fast closing function can be selected according to customer's requirements. |
Accessory: Assembly type buckle. There are attachments such as MV SDOF MN MVADN MN. |
Raw Material: Toyo Dongli high temperature PPS material, ensure temperature resistance and no deformation. |
Our exhibition
FAQ
Q:What advantage do you have?
A:We are the factory and we have 11 years experience in foreign trade.
Q: How long is the quality guarantee?
A:It usually 2-3years, depend on different goods.
Q: What's the price?
A:Different items different market will be different cost, we will keep to give best and competitive price for each customer.
Q:How do we know you are a reliable supplier?
A:As a professional manufacturer we do good quality to cooperate with many countries,such as Russia,Brazil,US,Dubai and so on.
Q: Which shipping method do you provide?
A:For samples or small orders, goods will be sent by express.
For regular orders, goods can be sent by air or by sea, just according to your demand.
For the future,we will keep devoting ourselves to improve our technologies and Professional Manufacturer 250 AMP DC Circuit Breaker Renewable Energy MCB. All products manufactured by us is tested and evaluated to create the utmost in quality. Great customer experience and satisfaction is and will always be the core belief of the company and the goal we set to achieve constantly. We are committed to continuously improve the competitiveness of enterprises, absorb advanced technology at home and abroad and build a team with hard style and strong technology.
Hot Tags: circuit breaker amp, suppliers, manufacturers, factory, customized, wholesale, price, for sale, free sample, Electrical Terminal Box, Indoor distribution box, Distribution Box, MCB Box, Consumer Unit, CCTV Box
