Tosun

What Tosun does

TOSUNlux is a Chinese manufacturer of low-voltage electrical equipment and lighting products, founded in 1994 and headquartered in Wenzhou, China. The company produces a broad portfolio centered on circuit protection (MCB, MCCB, RCBO, RCCB, motor protection circuit breakers), complemented by voltage protectors, surge protectors, automatic and modular changeover switches, and modular contactors. Adjacent product lines include industrial control devices (timer switches, AC contactors, thermal overload relays, control relays, LED indicators, pushbutton switches), new-energy components (DC circuit breakers up to 1200V, DC isolating switches, solar combiner boxes, PV surge protectors, PV fuses, EV charging components), meters and instruments (digital panel meters, modular smart energy meters, control transformers, digital multimeters, voltage stabilizers, DIN-rail power supplies), LED lighting (panel lights, downlights, bulbs, tubes, flood lights, high-bay lights, street lights, strip and neon lights), and electrical accessories (junction boxes, terminal blocks, waterproof distribution boards, industrial sockets, PVC tape). Notable technical differentiators include 6,000A and 10,000A high-breaking-capacity MCBs compliant with IEC 60898-1 and IEC 60947-2, IP66-rated DC isolating switches with sub-8ms arcing time, and TSM9 intelligent MCCBs with LCD display and MODBUS-RTU / DL/T 645 communication. The company holds 30+ exclusive patents and certifications including ISO 9001, CCC, CE, CB, TUV, and Intertek.

The company operates a direct B2B manufacturer model with quote-based pricing structured around purchase amount tiers from under $5,000 to $50,000+. Distribution combines a network of 40+ agents serving 93+ countries across South America, Europe, Asia, Africa, and the Middle East with direct digital sales via a multilingual website (23+ languages) and an online B2B ordering portal. Target customers span electrical distributors and wholesalers, industrial manufacturers, building electrical contractors and developers, solar PV installers, industrial automation integrators, and EV charging infrastructure providers. TOSUNlux employs over 1,000 people including 200+ technical professionals, is privately held with founder Ronald Lee as CEO, and has no disclosed institutional investors, parent company, or public listing.

Name

Tosun

Legal name

TOSUNlux

Website

https://tosunlux.eu

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

51–100 employees

Short description

TOSUNlux is a Chinese manufacturer founded in 1994 that produces low-voltage circuit breakers, industrial control devices, solar PV protection components, EV charging products, LED lighting, and electrical accessories for distributors, contractors, and installers across 93+ countries.

Ownership category

akta.pro rank

Product category

Low-Voltage Electrical Equipment

NAICS

Switchgear and Switchboard Apparatus Manufacturing (335313), Relay and Industrial Control Manufacturing (335314), Electric Lamp Bulb and Other Lighting Equipment Manufacturing (335139), Wiring Device Manufacturing (33593)

SIC

Switchgear & Switchboard Apparatus (3613), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Circuit Protection Devices (MCBs, MCCBs, ACBs, fuses, RCD/GFCI, surge protection) (IMAGAEAB)

akta.pro secondary industry

Low-Voltage Switchboards & Panelboards (LV distribution panels, MCCs, switchboards) (IMAGAEAA)

Keywords

• Low voltage electrical equipment
• Circuit protection devices
• Industrial control components
• LED lighting products
• Solar PV components

Headquarters

HQ city

Wenzhou

HQ country

China

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Low Voltage Electrical Products: Direct manufacturer sales of circuit breakers (MCB, MCCB, RCCB, RCBO), motor protection devices, surge protectors, modular contactors, and changeover switches for electrical distribution applications
2. Lighting Products: LED lighting solutions including panel lights, bulbs, tubes, flood lights, and strip lights for residential and commercial applications
3. New Energy Devices: DC circuit breakers, solar combiner boxes, solar PV surge protectors, and modular changeover switches for photovoltaic and new energy systems
4. Industrial Control Devices: Timer switches, AC contactors, thermal overload relays, control relays, pushbutton switches, and LED indicators for industrial automation
5. Electrical Accessories: Terminal blocks, wiring ducts, junction boxes, distribution boards, PVC insulating tapes, industrial plug sockets, and cable accessories

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels5 records

Core offering

TOSUNlux is a Chinese manufacturer specializing in low-voltage electrical equipment and lighting products, founded in 1994. The company produces circuit breakers (MCB, MCCB, MPCB, RCBO, RCCB), voltage and surge protectors, changeover switches, modular contactors, industrial control devices, solar PV components, metering instruments, and a complete LED lighting line. It sells through direct B2B channels and a network of 40+ agents serving electrical distributors, manufacturers, engineering contractors, importers, and retailers in 93+ countries.

Product overview

TOSUNlux is a comprehensive low-voltage electrical equipment manufacturer offering a broad portfolio of circuit protection, industrial control, new energy, metering, and lighting products. The product lineup centers on circuit breakers (MCB, MCCB, MPCB, RCBO, RCCB) as the core offering, complemented by voltage and surge protectors, changeover switches, and modular contactors for power distribution applications. Industrial control devices include timer switches, LED indicators, AC contactors, thermal overload relays, and various control relays. The new energy division provides DC circuit breakers, isolating switches, solar combiner boxes, and PV surge protectors for photovoltaic installations. Metering and instrumentation products encompass digital panel meters, smart energy meters, multimeters, control transformers, and voltage stabilizers. The lighting range includes LED panel lights, downlights, bulbs, tubes, flood lights, high bay lights, street lights, and strip/neon lights. Electrical accessories round out the offering with junction boxes, terminal blocks, waterproof distribution boards, industrial sockets, and ventilating fans. All products are supported by ISO 9001 quality management and distributed through a network covering over 93 countries.

Differentiator

Problem solved

Functional benefit

Products and services

• Miniature Circuit Breaker (MCB) Low-voltage circuit protection devices offering breaking capacities of 6000A and 10000A, compliant with IEC 60898-1 and IEC 60947-2, for use in residential, commercial, and industrial electrical distribution.
• Motor Protection Circuit Breaker (MPCB/MP) Protective devices for motor circuits providing overload and short-circuit protection for electric motors in industrial applications.
• Molded Case Circuit Breaker (MCCB)

Quantifiable outcome

• Served customers in 93+ countries globally
• +3 more outcomes

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Delixi Group: Delixi is a leading Chinese low-voltage electrical equipment manufacturer offering circuit breakers, contactors, relays, and lighting products. It directly competes with Tosun across overlapping B2B distributor and contractor channels, especially in emerging markets.
• CHINT Group: CHINT is a large Chinese manufacturer of low-voltage electrical products including MCBs, MCCBs, contactors, and PV components with a comparable product breadth and global distribution model. It is the most direct competitor to Tosun in terms of product portfolio, pricing tier, and geographic reach.
• Hager Group: Hager is a European-focused low-voltage electrical distribution specialist offering MCBs, RCCBs, distribution boards, and modular wiring devices. It overlaps with Tosun's core product families and serves similar electrical distributor and contractor customers.

Broad incumbents

• ABB: ABB is a broad incumbent in electrification and motion with significant low-voltage switchgear, breakers, and enclosures portfolios. It competes with Tosun in industrial and infrastructure-grade applications where IEC-certified products are required.
• Eaton: Eaton is a diversified power management incumbent with a strong low-voltage circuit protection portfolio (including Bussmann and Moeller heritage brands). It overlaps with Tosun in industrial and commercial electrical distribution and protection applications.
• Schneider Electric: Schneider Electric is a global incumbent in energy management and low-voltage distribution with extensive MCB, MCCB, RCCB, and smart-grid offerings. It competes with Tosun at the higher end of the market and across overlapping B2B and project channels.
• Siemens: Siemens Smart Infrastructure offers a comprehensive low-voltage and distribution portfolio including Sentron breakers and Sivacon switchboards. It is a premium-tier incumbent against which Tosun's IEC-compliant products compete on price and certification parity.
• Mitsubishi Electric: Mitsubishi Electric is a broad electrical equipment incumbent with low-voltage circuit breakers, contactors, and industrial control devices sold globally. It is a higher-end competitor to Tosun, particularly in industrial automation and switchgear projects.
• Legrand: Legrand is a global incumbent in wiring devices, distribution boards, and low-voltage protection with a strong presence in residential and commercial buildings. It competes with Tosun's wiring device, distribution board, and modular switch categories.

Regional players

• LS Electric: LS Electric is a Korean-based manufacturer of low-voltage circuit breakers, contactors, and industrial control devices. It competes with Tosun in Asian and selected overseas markets with overlapping IEC-compliant product families.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tosun