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)
Kratka samoimenovanja: Zakaj izbrati 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.
- Vodilna kakovost v panogi: Every MCB undergoes rigorous testing to ensure consistent performance and safety
- Inovativno oblikovanje: Our R&D team continuously improves our products to meet evolving industry standards
- Celovita podpora: From selection guidance to after-sales service, we’re with you at every step
- Globalna skladnost: All VIOX MCBs meet international safety standards, including IEC, UL, CE, and more
- Konkurenčne cene: 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.
Pridobite svoj Brezplačen vzorec!
Zagotavljamo brezplačne vzorce, le povedati nam morate, kaj potrebujete
EKSKLUZIVNI POPUSTI IN STORITVE ZA IZOLATORJE ZA VODILA: PARTNER Z VIOXOM
V podjetju VIOX si prizadevamo vzpostaviti partnerstva z električarji, strojnimi izvajalci in industrijskimi strokovnjaki, tako da ponujamo izjemne popuste in storitve za naše izolatorje za vodila.
★Cene neposredno iz tovarne - Kot proizvajalec visokokakovostnih izolatorjev zbiralnic vam nakup neposredno od VIOX-a zagotavlja najbolj konkurenčne tovarniške cene. Čeprav je stroškovna učinkovitost ključnega pomena, se naši izdelki od ostalih razlikujejo po naši neomajni zavezanosti trajnosti in zanesljivosti.
★ Prednostna storitev in brezplačno načrtovanje - Izkoristite prednosti naših prednostnih storitev, vključno z brezplačno pomočjo pri načrtovanju, ki poenostavi vaše projekte. Naš učinkovit postopek zagotavlja informacije, ki so pripravljene za uporabo, vam prihrani dragoceni čas in vam pomaga povečati stroškovno učinkovitost naročil.
★ Zaščita izključnega trga - Vaše interese varujemo tako, da pri istem projektu ne sodelujemo z vašimi konkurenti. Ta izključna tržna zaščita povečuje vašo konkurenčno prednost. Poleg tega lahko z izpolnjevanjem določenih meril pridobite ekskluzivne pravice za zastopanje naših izolatorjev za zbiralke.
★ Brezplačni vzorci za stranke VIP - Kot stranka VIP lahko prejmete brezplačne vzorce za oceno povpraševanja na trgu in kakovosti izdelkov brez začetne naložbe. Naša zavezanost k zagotavljanju visokokakovostnih vzorcev zagotavlja doslednost pri masovni proizvodnji in pomaga pri zagotavljanju novih naročil.
★ Pomembni popusti na množična naročila - Velike količine naročil omogočajo večjo produktivnost in nižje stroške surovin. Te prihranke prenašamo na vas z znatnimi popusti pri velikih nabavah, kar vam zagotavlja konkurenčno prednost.
Več kot le proizvajalec RCCB
V družbi VIOX presegamo proizvodnjo tokovnih odklopnikov (RCCB) in vam ponujamo nabor storitev z dodano vrednostjo, ki so prilagojene potrebam vašega projekta. Naša zavezanost k odličnosti zagotavlja, da je vsaka stranka deležna osebne pozornosti, strokovnega vodenja in nemotene podpore na celotni poti z nami.
Svetovanje o storitvah
Ne glede na to, ali so vaše zahteve glede RCCB preproste ali zapletene, vam naša ekipa nudi strokovne nasvete in tehnično svetovanje. Za bolj zapletene projekte nudimo poglobljeno inženirsko podporo, da zagotovimo optimalno izbiro in uporabo izdelka, kar zagotavlja varnost in učinkovitost vaših električnih sistemov.
Priporočila za izdelke
Niste prepričani, kateri RCCB je primeren za vaš sistem? Naši strokovnjaki zagotavljajo brezplačna, prilagojena priporočila na podlagi vaših specifičnih operativnih in okoljskih zahtev ter tako zagotavljajo, da bo vaš sistem popolnoma ustrezal vašim potrebam po električni zaščiti.
Logistična podpora
Če nimate zanesljivega špediterja, lahko brez dodatnih stroškov poskrbimo za prevoz iz naše tovarne do vaše projektne lokacije. Naša logistična ekipa zagotavlja pravočasno in varno dostavo, da bo vaš projekt potekal v skladu s časovnim načrtom ter da bodo zastoji in zamude čim manjši.
Podpora za namestitev
Potrebujete pomoč pri namestitvi? Naša tehnična ekipa je na voljo za odgovore na vaša vprašanja ali praktično podporo. Pri večjih projektih lahko na vašo lokacijo pošljemo celo inženirja, ki vam bo pomagal na terenu in zagotovil, da bodo vaši RCCB pravilno nameščeni in bodo brezhibno delovali v vašem električnem omrežju.
Pogosto Zastavljena Vprašanja
Zbrali smo nekaj pogostih vprašanj naših strank. Če vašega vprašanja ni med njimi, vam je naša služba za pomoč strankam vedno na voljo za pomoč. Z veseljem se bomo pogovorili z vami.
Kako lahko pridobim ponudbo za RCCB
Če želite dobiti ponudbo za naš RCCB, se obrnite na našo službo za pomoč strankam. Na voljo smo 24 ur na dan, 7 dni v tednu. Navedite podrobnosti naročila, kot so vrsta, velikost in količina. Vodili vas bomo skozi celoten postopek naročanja.
Kakšen je vaš MOQ za naročilo?
Imamo nizko MOQ ali minimalno količino naročila. Naročite lahko že eno enoto, mi pa vam jo bomo dostavili v skladu z vašimi specifikacijami.
Kolikšen je čas obdelave mojega naročila?
Standardni čas obdelave za naš RCCB je od 7 do 10 delovnih dni. Čas dostave se lahko zaradi prevoza podaljša za največ 15 delovnih dni. Pri naročilih po meri ali večjih količinah se lahko o času obdelave pogovorimo pred dokončanjem naročila.
Ali lahko pred oddajo naročila dobim vzorec?
Da, zagotavljamo vzorce za oceno in potrditev. Izdelava vzorcev običajno traja od 3 do 7 delovnih dni.
Ali lahko naredite prilagojen RCCB?
Da, ponujamo prilagojene RCCB. Sporočite nam svoje zahteve in naša strokovna ekipa za pomoč strankam bo z vami sodelovala v postopku načrtovanja.
Kakšno je vaše jamstvo za RCCB?
Za vse izdelane RCCB nudimo 3-letno garancijo. To zagotavlja, da dobavljamo visokokakovostne izdelke. Vsak izdelek pred dobavo temeljito preizkusimo.
ZNANJE O 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:
- Toplotno delovanje: A bimetallic strip that bends when heated by excessive current, triggering the breaker for overload protection (delayed action).
- Magnetno delovanje: 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
- Mehanizem delovanja: The handle and latching mechanism
- Kontakti: The conducting parts that connect and disconnect the circuit
- Arc Extinguishing Chamber: Quenches the arc formed during contact separation
- Toplotni element: Bimetallic strip for overload protection
- Magnetni element: Solenoid for short-circuit protection
- Terminali: 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
- Pogosto nadležno spotikanje
- 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:
- Trenutna ocena: The normal current the MCB can carry continuously
- Prelomna zmogljivost: Maximum fault current the MCB can safely interrupt
- Tripping Curve: Defines the time-current characteristic (B, C, D, etc.)
- Napetost: Maximum voltage the MCB can safely handle
- Število drogov: Single pole for single-phase, three poles for three-phase, etc.
- Skladnost s standardi: 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
- Kratek stik: Direct contact between live and neutral conductors
- Zemeljski prelom: 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.
Kako dolgo običajno zdržijo MCB-ji?
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.
Ali lahko varovalko zamenjam z 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:
Stanovanjski:
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
Specializirane aplikacije:
Type A and Z MCBs protect sensitive equipment in laboratories and medical facilities
Used in motor control centers and utility substations
Prevoz:
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.
Zahtevek za ponudbo OEM RCCB
Družba VIOX Electric vam je pripravljena pomagati pri vaših potrebah po OEM RCCB. Ponujamo visokokakovostne in stroškovno učinkovite rešitve.
