Miniature Circuit Breaker (MCB) Manufacturer
At VIOX Electric, we pride ourselves on being a leading manufacturer of Miniature Circuit Breakers (MCBs) with over 20 years of industry experience. Our commitment to excellence has established us as a trusted partner for electrical contractors, engineers, and distributors worldwide.
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VIOX Miniature Circuit Breakers (MCBs)
Isang Maikling Self-Nomination: Bakit Pumili ng VIOX Electric?
At VIOX Electric, we pride ourselves on being a leading manufacturer of Miniature Circuit Breakers (MCBs) with over 20 years of industry experience. Our commitment to excellence has established us as a trusted partner for electrical contractors, engineers, and distributors worldwide.
- Kalidad na Nangunguna sa Industriya: Every MCB undergoes rigorous testing to ensure consistent performance and safety
- Makabagong Disenyo: Our R&D team continuously improves our products to meet evolving industry standards
- Komprehensibong Suporta: From selection guidance to after-sales service, we’re with you at every step
- Pandaigdigang Pagsunod: All VIOX MCBs meet international safety standards, including IEC, UL, CE, and more
- Mapagkumpitensyang Pagpepresyo: Premium quality without the premium price tag
VIOX FULL RANGE MCB
Our extensive catalog ensures you’ll find the perfect solution for every application. The VIOX MCB range includes:
- VM1 Series: Compact and Reliable
- VM6 Series: Industrial-Grade Protection
- DC MCBs
- High Breaking Capacity MCBs
- RCBO (Residual Current Circuit Breakers with Overcurrent Protection)
- Miniature Earth Leakage Circuit Breakers
- TYPEA,B,C,D MCB
- DIN Rails for Mounting MCB
Custom-Made MCB for Your Specific Needs
At VIOX, our unique competitive advantage lies in our ability to customize MCB to suit your specific requirements. With our expertise in customizing solutions, you will experience an effective, seamless, and hassle-free process that ensures your exact needs are met precisely and enjoyably.
Kunin ang Iyong Libreng Sample!
Nagbibigay kami ng mga sample nang libre, kailangan mo lang sabihin sa amin kung ano ang kailangan mo
EXCLUSIVE DISCOUNTS AND SERVICES FOR BUSBAR INSULATORS: PARTNER WITH VIOX
At VIOX, we strive to forge partnerships with electricians, mechanical contractors, and industry professionals by offering exceptional discounts and services for our Busbar Insulators.
★Direkta mula sa Pagpepresyo ng Pabrika – As a manufacturer of high-quality Busbar Insulators, purchasing directly from VIOX ensures you receive the most competitive factory prices. While cost efficiency is crucial, our unwavering commitment to durability and reliability distinguishes our products from the rest.
★ Priyoridad na Serbisyo at Libreng Pagpaplano – Enjoy the benefits of our priority service, including free planning assistance to streamline your projects. Our effective process provides ready-to-use information, saving you valuable time and helping you maximize cost efficiency on orders.
★ Eksklusibong Proteksyon sa Market – We safeguard your interests by ensuring that we will not collaborate with your competitors on the same project. This exclusive market protection enhances your competitive edge. Additionally, you may qualify for exclusive rights to represent our Busbar Insulators by meeting certain criteria.
★ Libreng Sample para sa VIP Customer – As a VIP customer, you can receive free samples to evaluate market demand and product quality without initial investment. Our commitment to delivering high-quality samples guarantees consistency in bulk production and aids in securing new orders.
★ Significant Discounts on Bulk Orders – Large volume orders enable higher productivity and reduced raw material costs. We pass these savings on to you through substantial discounts on bulk purchases, providing you with a competitive advantage.
Higit pa sa isang RCCB Manufacturer
Sa VIOX, higit pa tayo sa paggawa ng Residual Current Circuit Breaker (RCCBs) sa pamamagitan ng pag-aalok ng suite ng mga serbisyong may halagang idinagdag na iniakma upang matugunan ang iyong mga pangangailangan sa proyekto. Tinitiyak ng aming pangako sa kahusayan na ang bawat customer ay nakakatanggap ng personalized na atensyon, gabay ng eksperto, at tuluy-tuloy na suporta sa buong paglalakbay nila sa amin.
Konsultasyon sa Serbisyo
Kung ang iyong mga kinakailangan sa RCCB ay direkta o kumplikado, ang aming koponan ay nagbibigay ng ekspertong payo at teknikal na konsultasyon. Para sa mas masalimuot na proyekto, nag-aalok kami ng malalim na suporta sa engineering upang matiyak ang pinakamainam na pagpili at aplikasyon ng produkto, na ginagarantiyahan ang kaligtasan at kahusayan sa iyong mga electrical system.
Mga Rekomendasyon ng Produkto
Hindi sigurado kung aling RCCB ang nababagay sa iyong system? Nagbibigay ang aming mga espesyalista ng libre, naka-customize na mga rekomendasyon batay sa iyong partikular na mga kinakailangan sa pagpapatakbo at kapaligiran, na tinitiyak na makukuha mo ang perpektong akma para sa iyong mga pangangailangan sa proteksyon sa kuryente.
Suporta sa Logistics
Kung kulang ka ng maaasahang freight forwarder, maaari naming ayusin ang transportasyon mula sa aming pabrika patungo sa lugar ng iyong proyekto nang walang dagdag na gastos. Tinitiyak ng aming logistics team ang napapanahon at secure na paghahatid para panatilihing nasa iskedyul ang iyong proyekto, na pinapaliit ang downtime at mga pagkaantala.
Suporta sa Pag-install
Kailangan ng tulong sa pag-install? Available ang aming technical team para sagutin ang iyong mga tanong o magbigay ng hands-on na suporta. Para sa mas malalaking proyekto, maaari pa kaming magpadala ng engineer sa iyong site para sa on-the-ground na tulong, na tinitiyak na ang iyong mga RCCB ay naka-install nang tama at gumagana nang walang putol sa loob ng iyong electrical network.
Mga Madalas Itanong
Nag-compile kami ng ilang karaniwang tanong mula sa aming mga kliyente. Kung hindi kasama rito ang iyong tanong, laging available ang aming serbisyo sa customer para tumulong. Gusto naming makipag-usap sa iyo.
Paano Ako Makakakuha ng Quote para sa RCCB
Para makakuha ng quote para sa aming RCCB, makipag-ugnayan sa aming customer service team. Available kami 24/7. Ibigay lamang ang mga detalye ng iyong order tulad ng uri, laki, at dami. Gagabayan ka namin sa buong proseso ng pag-order.
Ano ang Iyong MOQ para sa Order?
Mayroon kaming mababang MOQ o minimum na dami ng order. Maaari kang mag-order ng kasing liit ng isang unit, at maghahatid kami ayon sa iyong mga pagtutukoy.
Ano ang Oras ng Turnaround para sa Aking Order?
Ang karaniwang oras ng turnaround para sa aming RCCB ay 7 hanggang 10 araw ng negosyo. Maaaring pahabain ng hanggang 15 araw ng negosyo ang oras ng paghahatid dahil sa pagbibiyahe. Para sa mga custom o maramihang order, maaari naming talakayin ang oras ng turnaround bago i-finalize ang iyong order.
Maaari ba akong Kumuha ng Sample Bago Maglagay ng Order?
Oo, nagbibigay kami ng mga sample para sa pagsusuri at pag-apruba. Ang paggawa ng mga sample ay karaniwang tumatagal ng 3 hanggang 7 araw ng negosyo.
Maaari Ka Bang Gumawa ng Customized RCCB?
Oo, nag-aalok kami ng customized na RCCB. Ipaalam sa amin ang iyong mga kinakailangan, at makikipagtulungan sa iyo ang aming expert customer service team sa pamamagitan ng proseso ng disenyo.
Ano ang Iyong Warranty para sa RCCB?
Nag-aalok kami ng 3-taong warranty sa lahat ng RCCB na ginawa namin. Tinitiyak nito na naghahatid kami ng mga de-kalidad na produkto. Ang bawat produkto ay lubusang nasubok bago ihatid.
KAALAMAN Tungkol sa RCCB
What is an MCB?
A Miniature Circuit Breaker (MCB) is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.
How Does an MCB Work?
MCBs operate through two distinct mechanisms:
- Thermal Operation: A bimetallic strip that bends when heated by excessive current, triggering the breaker for overload protection (delayed action).
- Magnetic na operasyon: An electromagnetic solenoid that activates when current reaches dangerous levels, providing instant tripping for short-circuit protection.
When either mechanism activates, it releases a latch that opens the circuit, disconnecting the power supply.
Key Components of an MCB
- Operating Mechanism: The handle and latching mechanism
- Mga contact: The conducting parts that connect and disconnect the circuit
- Arc Extinguishing Chamber: Quenches the arc formed during contact separation
- Thermal Element: Bimetallic strip for overload protection
- Magnetic Element: Solenoid for short-circuit protection
- Mga terminal: Connection points for incoming and outgoing cables
What is the difference between B, C, and D tripping curves?
B Curve: Trips at 3-5 times rated current, ideal for resistive loads like lighting and heating.
C Curve: Trips at 5-10 times rated current, suitable for slightly inductive loads like small motors and transformers. This is the most commonly used curve for general applications.
D Curve: Trips at 10-20 times rated current, designed for highly inductive loads with high inrush currents, such as large motors and transformers.
MCB Types and Ratings
MCB classifications are primarily based on their tripping characteristics, which determine how quickly they respond to different levels of overcurrent. The main types are:
Type B: Trips at 3-5 times rated current, used for resistive loads in residential settings like lighting circuits.
Type C: Trips at 5-10 times rated current, suitable for inductive loads in commercial and light industrial applications12.
Type D: Trips at 10-20 times rated current, designed for highly inductive loads with high inrush currents, such as large motors and transformers.
Type K: Trips at 8-12 times rated current, used for motor circuits with high inrush currents1.
Type Z: Trips at 2-3 times rated current, highly sensitive for protecting semiconductor devices and electronic circuits.
These classifications ensure appropriate protection for various electrical loads, from sensitive electronics to heavy industrial equipment. The choice of MCB type depends on the specific application and the expected current characteristics of the circuit.
How do I determine the correct MCB size for my application?
Calculate the maximum current draw of your circuit, then select an MCB with a rating slightly higher than this value. Consider factors like cable size, load type, and potential future expansion. For specific guidance, consult our selection guide or contact our technical team.
What is the difference between an MCB and an RCCB?
An MCB (Miniature Circuit Breaker) protects against overcurrent conditions like short circuits and overloads.
An RCCB (Residual Current Circuit Breaker) protects against earth leakage currents, offering protection against electric shock hazards.
For complete protection, both devices are often used together, or you can use an RCBO which combines both functions.
How often should MCBs be replaced?
MCBs typically have a mechanical lifetime of 10,000+ operations. Under normal conditions, they can last 15-20 years. However, we recommend inspection every 5 years and replacement if you notice:
- Discoloration or burning marks
- Difficulty in switching operation
- Madalas istorbo tripping
- After a major short circuit event
Are VIOX MCBs compatible with other brands’ distribution boards?
Yes, all VIOX MCBs conform to standard DIN rail mounting specifications (35mm), making them compatible with most distribution boards on the market.
MCB Selection Factors
When choosing an MCB, consider:
- Kasalukuyang Rating: The normal current the MCB can carry continuously
- Pagsira ng Kapasidad: Maximum fault current the MCB can safely interrupt
- Tripping Curve: Defines the time-current characteristic (B, C, D, etc.)
- Rating ng Boltahe: Maximum voltage the MCB can safely handle
- Bilang ng mga Polo: Single pole for single-phase, three poles for three-phase, etc.
- Pagsunod sa Pamantayan: Ensuring the MCB meets relevant certification standards
Common MCB Installation and Safety Guidelines
Proper MCB installation is crucial for electrical safety:
- Always disconnect power before installing or replacing MCBs
- Ensure firm connections to avoid loose contacts that can cause heating
- Install MCBs in well-ventilated areas to prevent overheating
- Label circuits clearly for easy identification during emergencies
- Periodically test MCB operation by pressing the test button (if available)
- Never bypass an MCB or increase its rating to avoid tripping
Why Do MCBs Trip?
MCBs typically trip due to:
- Overloading: Too many devices connected to one circuit
- Maikling Circuit: Direct contact between live and neutral conductors
- Earth Fault: Current leaking to earth due to damaged insulation
- Device Failure: Faulty appliance drawing excessive current
- MCB Faults: Aging or mechanical issues with the MCB itself
How to Reset a Tripped MCB
After identifying and resolving the cause of tripping:
- Move the MCB switch to the fully “off” position
- Wait approximately 30 seconds
- Firmly switch it back to the “on” position
If the MCB immediately trips again, there’s still an unresolved fault that requires professional attention.
What is the difference between an MCB and a fuse?
While both protect against overcurrent, MCBs can be reset after tripping, whereas fuses must be replaced. MCBs also offer more precise trip characteristics and faster operation during short circuits.
Gaano katagal karaniwang tumatagal ang mga MCB?
With proper installation and normal operating conditions, MCBs typically last 15-20 years. However, they should be tested periodically and replaced if they show any signs of malfunction.
Maaari ko bang palitan ang isang fuse ng isang MCB?
Yes, upgrading from fuses to MCBs is common in older installations. However, this often requires modifying the distribution board and should be performed by a qualified electrician.
What does the amperage rating on an MCB mean?
The amperage rating indicates the maximum continuous current the MCB can carry without tripping. For example, a 16A MCB will typically allow currents up to 16A to flow continuously but will trip if the current exceeds this value for an extended period.
MCB Application Areas
Miniature Circuit Breakers (MCBs) are versatile protective devices used across various sectors to safeguard electrical systems. Here are the key application areas for MCBs:
Residential:
Protect household circuits for lighting, appliances, and general power outlets
Commonly use Type B MCBs for standard home electrical systems
Commercial:
Safeguard lighting systems, HVAC units, and office equipment
Type C MCBs are preferred for higher power requirements in commercial settings
Industrial:
Protect heavy machinery, motors, and industrial equipment
Type D MCBs are ideal for high starting current applications like conveyor belts
K Type MCBs used for compressors, winding motors, and X-ray equipment
Mga Espesyal na Aplikasyon:
Type A and Z MCBs protect sensitive equipment in laboratories and medical facilities
Used in motor control centers and utility substations
Transportasyon:
Applied in electrical systems of vehicles, ships, and trains
Yueqing: MCB Manufacturing Hub
Yueqing, in Zhejiang province, China, is known as the “Electric Device Metropolis of China” and a global leader in electrical equipment, particularly miniature circuit breakers (MCBs) and other low-voltage devices. VIOX ELECTRIC, a key manufacturer in the city, has bolstered this reputation by prioritizing innovation, securing certifications like ISO9001 and CE, and exporting extensively to international markets.
The city’s success is rooted in its strong industrial ecosystem, featuring specialized manufacturers and decades of expertise in refining production processes. VIOX ELECTRIC exemplifies this by delivering high-quality products to regions like Europe and North America, reinforcing Yueqing’s status as a global leader in the MCB market.
Humiling ng OEM RCCB Quote
Handa ang VIOX Electric na tulungan ka sa iyong mga pangangailangan sa OEM RCCB. Nag-aalok kami ng mataas na kalidad at cost-effective na mga solusyon.
