Engineered Reliability for Global Power Distribution Systems
Zhejiang TMB Electric Co., Ltd. is an on-site verified electrical equipment manufacturer established in Liushi Town, Wenzhou—widely recognized as China's low-voltage electrical industrial capital. Backed by 24 years of manufacturing heritage and 14 dedicated years of worldwide export operations, our manufacturing plant operates within a certified ISO 9001:2015 quality management framework.
We engineer, assemble, and test comprehensive circuit protection components including AC/DC miniature circuit breakers (MCB), molded case circuit breakers (MCCB), dual power automatic transfer switches (ATS), modular surge protective devices (SPD), self-recovery voltage protectors, and custom IP65 photovoltaic combiner boxes.
Comprehensive Industrial & Manufacturing Capacities
Every phase—from precision tooling, mechanism riveting, and laser batch printing to dielectric calibration—is systematically controlled inside our verified Wenzhou production hub.
OEM / ODM Customization
- Customization TypesSample, Drawing & Full Spec
- Branding OptionsSilk Screen, Pad Printing, Laser
- Packaging SolutionsCustom Carton, Barcode, Blister
- Bespoke EnclosuresIP65 Waterproof Combiner Layouts
Production & Plant Capacity
- Floorspace5,700 m² Modern Facility
- Production Lines12 Dedicated Semi-Automated Lines
- Core Machinery19 Precision Assembly Units
- Nearest SeaportNingbo Port & Shanghai Port
Quality Assurance & QC
- Full-Time QA/QC Team6 Certified Inspection Engineers
- Inspection PointsIQC, IPQC, Trip-Test, Dielectric, FQC
- Dedicated Test Rigs3 Multi-Station Testing Consoles
- Audit ComplianceThird-Party Supplier Verified
Specialized Manufacturing Machinery & Testing Lines
Industrial machinery deployed across our facility to ensure strict mechanical tolerance and consistent electrical trip parameters.
Automated Switch Assembly Line
Fully Automatic Pad Printing Machine
Circuit Protection Assembly Line
Automated Packaging Machine
Laser Marking & Serializing Unit
Wire & Coil Winding Machine
Flame-Retardant Injection Molding
High-Torque Riveting Machine
Global Export Footprint & Trade Distribution
Exporting electrical safety hardware to distributors, panel manufacturers, solar installers, and wholesalers across over 100 international regions.
Direct Export Trade Advantages
Our logistics department works with major international shipping carriers, freight forwarders, and multimodal logistics partners through Ningbo and Shanghai ports.
- Export Experience14 Years Audited
- Lead Time (Standard Catalog)From 5 Days Fast Dispatch
- Export RevenueUS$ 3,304,733.00 Verified
- Standard PackagingSeaworthy Corrugated Cartons + Pallets
Internationally Verified Standards Compliance
Zhejiang TMB Electric Co., Ltd. products comply with major European and international electrotechnical safety directives.
| Standard / Directive | Certificate / Report No. | Applicable Product Range | Scope & Compliance Details |
|---|---|---|---|
| ISO 9001:2015 | 04326Q01805R101 | Factory-wide Operations | Assembly, production, and testing of low-voltage breakers, combiner boxes & electrical devices |
| CE / LVD | M.2022.206.C72804 | Miniature Circuit Breakers (MCB) | Low Voltage Directive 2014/35/EU; certified trip reliability & breaking capacity |
| CE / IEC 60947 | M.2025.206.C125835 | DC Molded Case Breakers (DC MCCB) | Standardized photovoltaic DC string switching and heavy overload protection |
| CE / IEC 61439 | M.2025.206.C129692 | Solar PV Combiner Boxes | Low-voltage switchgear assembly verified; IP65 outdoor environmental protection |
| CE / IEC 61643 | 0P250225.ZTE0N43 | Surge Protective Devices (SPD) | Class II / Type 2 transient surge voltage clamping; multi-kA impulse discharge verified |
| CE / LVD | M.2025.206.C125957 | Dual Power Transfer Switches (ATS) | Uninterrupted source changeover under continuous operational load |
| EMC Directive | TEZJ23112352825 | Voltage Protective Devices | Electromagnetic compatibility; immunity to noise and zero harmful RF emission |
| RoHS 2.0 | THZJ26012882010EN | Time Switches & Relays | Restriction of Hazardous Substances; lead-, mercury-, and cadmium-free construction |
| REACH | THZJ26012882011ENR1 | Smart Switches & IoT Breakers | EC 1907/2006 chemical substance safety compliance for direct European importation |
Looking for Specific Ratings or OEM Engineering Support?
Our electrical engineering team provides sample test sheets, drawings, and full parameter catalogs.