Looking for MCCB manufacturers in Yueqing? This shortlist covers ten companies with a published moulded-case circuit breaker range and a verifiable connection to Yueqing, China. It includes large low-voltage groups, specialist breaker manufacturers and suppliers with AC or DC ranges for solar and energy-storage applications.
An MCCB is not simply a larger MCB. Frame size, rated current, breaking capacity, trip unit, poles, connection method and accessories all change the quotation. Use this list to decide which catalogues to open first, then compare every supplier against the same written specification.
How this list was selected: Based on each manufacturer’s official product and location information, reviewed on 19 October 2026. Companies are listed for sourcing research, not ranked by quality, price or export volume. Confirm the legal entity, production site and model-specific documents before requesting samples or arranging a factory visit.
Ten Yueqing MCCB manufacturers to start your enquiry
The “best” shortlist depends on the application. A buyer replacing a standard distribution breaker has different questions from a buyer developing a DC breaker for a battery-energy-storage system. Use the table to identify the first supplier conversations worth having.
| Manufacturer | Published MCCB focus | Useful first question |
|---|---|---|
| CHINT | Broad AC and DC MCCB range | Which plant makes the quoted frame size? |
| DELIXI Electric | Distribution and motor-protection MCCBs | Which CDM series and trip type match the brief? |
| People Electric | MCCBs within a broad electrical catalogue | Which RDM model and documents apply? |
| Changan Group | Industrial distribution MCCBs | Which CAM series suits the installation? |
| Singi Electrical | MCCBs for distribution and energy storage | Is the application AC, DC or energy storage? |
| VIOX Electric | OEM-focused MCCB series | What are the model-level OEM terms? |
| HUYU Electric | Electronic and leakage MCCBs | Is a standard, electronic or leakage trip needed? |
| Suntree | AC/DC MCCBs for solar and storage | What DC voltage and pole arrangement apply? |
| BENY | DC MCCBs for solar and BESS | Is the system grounded or ungrounded? |
| TENGEN Electric | MCCB families for distribution and motor use | Which TGM series and connection type apply? |
Manufacturer profiles and questions to ask
1. CHINT
CHINT publishes several moulded-case circuit breaker families, including the NM8N, NXM and compact NXB ranges. Its official company history and contact information connect the group to Yueqing, while the international product pages provide model-level MCCB data. It is a useful benchmark when comparing a broad catalogue with specialist suppliers.
Before requesting a quote: Ask which legal entity will quote, which site produces the selected frame size and whether the offer is direct or through an authorised channel. Confirm the exact model, trip unit, poles and accessories against the current catalogue.
Official sources: MCCB product information · Company / location information.
2. DELIXI Electric
DELIXI Electric publishes CDM1, CDM3, CDM3S, CDM3E, CDM6 and related MCCB families, including transparent, residual-current and DC variants. Its official contact information gives Delixi High-tech Industrial Park in Liushi Town, Yueqing. The range is relevant when a buyer needs to compare thermal-magnetic and electronic trip options.
Before requesting a quote: Request the exact catalogue and model code for the required frame, current, poles, breaking capacity and trip type. Confirm the supplying entity, production site, accessories and destination-market documents before visiting.
Official sources: MCCB product information · Company / location information.
3. People Electric
People Electric publishes RDM1, RDM5, RDM5E, RDM6 and RDM11 moulded-case circuit breaker families. Its official site identifies a Liushi, Wenzhou contact address and describes the group as headquartered in Yueqing. Buyers sourcing breakers alongside other low-voltage categories can use the catalogue for an initial comparison.
Before requesting a quote: Separate the breaker specification from other electrical-product lines in the enquiry. Ask for the model datasheet, frame and current rating, trip unit, breaking capacity, accessories and the documents that apply to the quoted configuration.
Official sources: MCCB product information · Company / location information.
4. Changan Group
Changan Group publishes CAM7 and other moulded-case circuit breaker ranges for power distribution and motor starting. Its official contact page gives No. 288, Wei 17th Road, Yueqing Economic Development Zone. The company is a practical candidate when the buying brief calls for a conventional industrial MCCB range.
Before requesting a quote: Confirm the exact CAM series, frame size, rated current, poles, breaking capacity and fixed or plug-in arrangement. Ask which documents and accessories belong to the proposed model and whether the model is manufactured at the site you plan to visit.
Official sources: MCCB product information · Company / location information.
5. Singi Electrical
Singi Electrical publishes SWM1, SWM1E and SWM3Z moulded-case circuit breakers, including electronic and high-voltage DC versions for energy-storage applications. Its contact page gives Yueqing Economic Development Zone as its location and describes MCCB production alongside MCBs, SPDs and distribution boxes.
Before requesting a quote: State whether the application is AC distribution, motor protection or a DC energy-storage circuit. Request the model table, trip settings, pole configuration, breaking capacity and applicable documents; confirm whether the selected DC model is bipolar or non-polarised.
Official sources: MCCB product information · Company / location information.
6. VIOX Electric
VIOX publishes VM1 and VMM3 moulded-case circuit breaker series across several frame sizes, with product pages covering ratings, poles and applications. Its official contact page gives East Innovation Zone, Wengyang Town, Yueqing. The published range is useful for buyers comparing a focused MCCB catalogue and OEM support.
Before requesting a quote: Give the required frame size, rated current, poles, voltage, breaking capacity and trip type. Ask for the current model datasheet, accessory list, MOQ, private-label terms and documents covering the exact model rather than the series in general.
Official sources: MCCB product information · Company / location information.
7. HUYU Electric
HUYU Electric publishes moulded-case circuit breakers from 16A to 1600A, including electronic, leakage and DC ranges, alongside ACBs and other low-voltage products. Its official site gives Wenzhou Bridge Industrial Park, Beibaixiang Town, Yueqing as its address. It is relevant to buyers comparing distribution, motor-protection and residual-current options.
Before requesting a quote: Clarify whether you need a standard thermal-magnetic MCCB, an electronic trip unit or a leakage variant. Ask for the model-level settings range, accessories, breaking capacity, dimensions and documents, and confirm which site will manufacture the order.
Official sources: MCCB product information · Company / location information.
8. Suntree
Suntree publishes SM8, SM8E and SM8HU AC moulded-case circuit breakers as well as DC MCCBs for photovoltaic and energy-storage systems. Its official contact page gives No. 3 Siqian Road, Xinguang Industrial Zone, Liushi Town, Yueqing. The catalogue is useful when an enquiry combines AC distribution and DC protection.
Before requesting a quote: Keep the AC and DC requirements separate. For a DC model, confirm rated voltage, current, pole arrangement, wiring method and suitability for the intended PV or battery system. Ask for the model datasheet and the document package for the destination market.
Official sources: MCCB product information · Company / location information.
9. BENY
BENY publishes DC moulded-case circuit breakers for solar, battery-energy-storage and charging applications, including the BD, BDM and BDM3/BDM5 families. Its official contact information gives Wenzhou Daqiao Industry Park, Beibaixiang Town, Yueqing. Consider BENY when the brief is specifically for DC protection rather than a general AC MCCB.
Before requesting a quote: Specify DC voltage, current, poles and whether the system is grounded or ungrounded. Ask for the exact model datasheet, polarity arrangement, wiring diagram, breaking capacity and certificates. Do not treat a DC MCCB listing as evidence of an equivalent AC range.
Official sources: MCCB product information · Company / location information.
10. TENGEN Electric
TENGEN, known in Chinese as Tianzheng, publishes TGM1N, TGM3, TGM3E, TGM5 and TeM7 moulded-case circuit breakers across multiple frame sizes and breaking-capacity classes. Its international contact page gives Sulv Industrial Zone, Liushi Town, Yueqing, and the product pages provide model-level current and voltage ranges.
Before requesting a quote: Confirm the required series, frame, current, poles, voltage, breaking capacity and fixed, plug-in or withdrawable connection. Request the catalogue and model documents, then verify the factory address, sample arrangement and quotation terms before visiting.
Official sources: MCCB product information · Company / location information.
Compare MCCBs on the same technical and commercial basis
Two suppliers can quote a similar-looking breaker at very different prices because the frame, trip unit, breaking capacity or accessory package is different. Send one written brief to every candidate and ask each supplier to state any deviation rather than silently substituting a lower-cost model.
| Include in your enquiry | Ask the supplier to confirm |
|---|---|
| Application | Distribution, motor protection, isolation, PV, battery storage or another defined use; state whether the circuit is AC or DC. |
| Frame and current | Frame size, rated current, adjustable setting range and expected continuous load. |
| Voltage and poles | Rated working voltage, frequency, number of poles and neutral configuration where applicable. |
| Breaking capacity | Rated ultimate short-circuit breaking capacity (Icu), rated service breaking capacity (Ics) and any required short-time withstand current. |
| Trip unit | Thermal-magnetic or electronic release, fixed or adjustable settings, trip curve and required protection functions. |
| Connection and accessories | Fixed, plug-in or withdrawable configuration; terminals, busbar connection, motor operator, shunt release, auxiliary contacts and other accessories. |
| Documents | Current datasheet, dimensions, wiring information and applicable test or certification documents for the exact model and destination market. |
| Commercial terms | MOQ, OEM or private-label conditions, sample cost, packing, lead time, Incoterms and warranty for nonconforming goods. |
Match the document to the model code, not only to the brand. A catalogue cover, a certificate for another frame size or a general statement about standards does not establish that the exact breaker in your quotation has the required approval. Ask for the underlying document and verify it through the issuing organisation where possible.
Turn the MCCB shortlist into a productive factory visit
Arrange visits only after the supplier has answered the specification and document questions. Confirm that the meeting is at the production site relevant to your product, not only at a sales office, and agree in advance which processes and records you want to review.
- Bring the buying brief: include the model, frame, current, voltage, poles, breaking capacity, trip type, accessories and expected quantity.
- Agree the visit checklist: identify the moulding, assembly, calibration, testing, marking and packing stages relevant to the proposed MCCB.
- Compare the sample with the quotation: check the model label, ratings, trip unit, terminals, accessories and dimensions against the datasheet.
- Ask about traceability: confirm how the factory links finished goods to production batches, components and inspection records.
- Record follow-up actions: assign each outstanding sample, document, accessory or revised quotation a contact and due date.
A visit provides observations and answers to your questions. It is not a type test, certification review or guarantee of future production quality. Arrange product testing and market-access checks separately for your application.
Questions buyers often ask
Which Yueqing MCCB manufacturer is the cheapest?
There is no reliable answer without identical frame sizes, ratings, trip units, breaking capacities, accessories, quantities and delivery terms. Ask every supplier to quote the same specification and compare deviations and document packages as well as unit price.
What is the difference between an MCB and an MCCB?
MCBs are generally compact modular devices used in final distribution and smaller circuits. MCCBs generally use a moulded insulating case and are available in larger frame sizes, with higher current ratings, higher breaking capacities and a wider choice of trip units and accessories. The correct choice depends on the electrical design, not only on the current rating.
Can I order MCCBs under my own brand?
Some manufacturers offer OEM or private-label arrangements, but availability depends on the series, frame size, quantity and destination market. Confirm product markings, packaging, artwork approval, documentation and MOQ before placing an order. Inclusion in this list does not mean every supplier offers private labelling for every model.
Can BottomRace help arrange factory visits?
Yes. BottomRace provides factory screening, accompanied visits, English–Chinese interpretation and local coordination in Yueqing. We confirm the scope, availability and fees before you book. See our factory visit services for the visit process and current pricing.
Need help narrowing your MCCB shortlist?
Email your frame size, rated current, voltage, poles, breaking capacity, trip type, quantity and destination market. We can discuss supplier screening and local support in Yueqing.