# ETEK Electric > ETEK Electric is a professional manufacturer specializing in the research, development, production, and sales of low-voltage electrical appliances, with product ranges covering circuit protection, electrical control, industrial power distribution, EV charging, and solar PV electrical applications. Established in 2011, ETEK Electric operates modern manufacturing bases in Wenzhou and Wuhu with a total area of approximately 40,000 m² and more than 500 employees. We operate our own low-voltage electrical testing center, with testing projects aligned with international IEC standards, and maintain ISO 9001, ISO 14001, and ISO 45001 management system certifications. ETEK Electric holds more than 100 national patents, the ETEK trademark is registered in more than 80 countries, and our products are exported to more than 100 countries and regions. We also support OEM, ODM, OBM, SKD, CKD, and other business cooperation models. This llms.txt file prioritizes current product category pages, official product-series pages, company information, technical resources, and knowledge content. Individual product model and SKU pages are not exhaustively listed here. S1, S2, S3, and similar options that appear as filtered states inside certain product categories are treated as product filters rather than standalone website hierarchy pages. T-Series Circuit Protection Solutions and Type B RCDs are official ETEK product-series sections and are listed separately from the five main product categories. **Contact Information** - Official Website: https://www.etek-china.com/ - Sales Email: market@etek-china.com - Tel: +86-577-62780116 - Phone / WhatsApp: +86-13356133008 - Address: No.138 Wei 12th Road, Economic Development Zone, Yueqing City, Zhejiang, China. **Official Social Media** - Facebook: https://www.facebook.com/ETEKcn - LinkedIn: https://www.linkedin.com/company/etekcn/ - YouTube: https://www.youtube.com/@ETEKcn **Frequently Asked Questions** Q: Is ETEK Electric a manufacturer or a trading company? A: ETEK Electric is a manufacturer and exporter of low-voltage and industrial electrical equipment, with manufacturing bases in Wenzhou and Wuhu. Q: What cooperation models are available for overseas customers? A: We support OEM, ODM, OBM, SKD, CKD, and other business cooperation models according to current ETEK capabilities. ## Electrical Protection Devices - [Electrical Protection Devices](https://www.etek-china.com/terminal-power-distribution-electric.md): Low-voltage modular protection platform covering MCB, RCCB, RCBO, AFDD and SPD, with AC/DC product families and breaking-capacity options up to 15kA in selected series. FAQ: Q: How do I choose between an MCB, RCCB, and RCBO for a project? A: Use an MCB when the main requirement is overload and short-circuit protection; use an RCCB when residual-current or earth-leakage protection is required together with separate overcurrent protection; use an RCBO when residual-current, overload, and short-circuit protection are required in one device. Q: How can I confirm the correct breaking capacity, current rating, pole configuration, tripping curve, and residual-current type before ordering? A: Check the technical data on the relevant product page or ETEK catalogue because these values vary by product series and model. - [Miniature Circuit Breaker](https://www.etek-china.com/mcb.md): Miniature circuit breakers with 4.5–15kA breaking-capacity options, current ratings up to 125A in selected series, and both AC and DC versions. - [RCCB](https://www.etek-china.com/rccb.md): Residual-current circuit breakers with 10–300mA sensitivities and Type AC, A, S, B and EV (A+DC6mA) options; selected ranges reach 100A. - [RCBO](https://www.etek-china.com/rcbo.md): RCBOs combine residual-current, overload and short-circuit protection, with Type AC/A/S/B/EV options and 6kA or 10kA breaking-capacity choices. - [Arc Fault Protective](https://www.etek-china.com/arc-fault-protective.md): AFDD range for arc-fault detection, with standalone and integrated MCB/RCBO configurations and selected 6kA or 10kA versions. - [MCB Accessories](https://www.etek-china.com/mcb-accessories.md): Accessory range includes auxiliary/alarm contacts, shunt trips and voltage releases; supported combinations allow multiple accessories on compatible breakers. - [Modular Contactor](https://www.etek-china.com/modular-contactor.md): DIN-rail modular contactors with automatic/manual control variants, quiet-operation designs and AC/DC universal-coil options. - [Surge Protective Device](https://www.etek-china.com/spd.md): Surge protective devices include Type 1+2 and Type 2 ranges, with selected Imax values from 20kA to 60kA and DC variants for PV systems. - [Smart Circuit Breakers](https://www.etek-china.com/smart-circuit-breakers.md): Smart MCB/RCBO/RCCB products support RS485, Wi-Fi or ZigBee communication, with remote monitoring, control and selected automatic-reclosing functions. - [Smart Relay Switches](https://www.etek-china.com/smart-relay-switch.md): Smart relay switches provide remote circuit control, with Wi-Fi and dual-connectivity variants for residential and building automation. - [Distribution Box](https://www.etek-china.com/distribution-box.md): Distribution boxes are available in plastic and metal formats, with selected IP65/IP67 enclosures and current ratings up to 125A or 250A depending on configuration. - [Changeover Switch](https://www.etek-china.com/changeover-switch.md): Manual changeover switches provide source transfer between utility and backup power, with DIN-rail/modular designs and selected 63–125A ranges. - [Modular Fuse Base & Fuse Link](https://www.etek-china.com/modular-fuse-base-fuse-link.md): DIN-rail fuse bases and replaceable ceramic fuse links provide replaceable overcurrent protection, with selection based on fuse format and circuit requirement. - [Impulse Relays](https://www.etek-china.com/impulse-relays.md): Bistable impulse relays switch loads from pulse commands while retaining the last state, reducing continuous coil energization. - [Other Modular Devices](https://www.etek-china.com/other-modular-devices.md): Additional DIN-rail devices include 80–500V voltage meters, 230VAC signal indicators and related monitoring/control products. ## Electrical Control Devices - [Electrical Control Devices](https://www.etek-china.com/industrial-control-electric.md): Industrial-control range includes contactors, Class 10 overload relays, MPCBs and 22mm operator devices for motor and machine-control circuits. FAQ: Q: What is the difference between a contactor, thermal overload relay, and motor protection circuit breaker in a motor-control system? A: ETEK contactors are used for frequent remote switching and motor control; thermal overload relays provide motor overload protection and can be matched with contactors; ETEK motor protection circuit breakers integrate disconnection, circuit-breaker, and thermal-overload functions for motor protection. Q: Which ETEK product should I look at when a motor needs frequent starting and stopping? A: Start with the Contactor category. ETEK AC contactors are designed for frequent motor control and can be combined with a suitable thermal overload relay when overload protection is required. - [Contactor](https://www.etek-china.com/contactor.md): Contactor families span mini, standard and high-current ranges up to 1000A, with magnetic/capacitive variants and AC/DC universal-coil options. - [Thermal Overload Relay](https://www.etek-china.com/thermal-overload-relay.md): Adjustable Class 10 bimetallic overload relays protect motors against sustained overload, with selection matched to motor full-load current and contactor compatibility. - [Motor Protection Circuit Breaker](https://www.etek-china.com/motor-protection-circuit-breaker.md): MPCBs combine circuit breaking and thermal-overload protection, covering overload, phase-loss and short-circuit protection in one motor feeder device. - [Pushbutton Switch](https://www.etek-china.com/pushbutton-switch.md): Industrial pushbuttons use 22mm mounting and offer plastic/metal bodies with momentary or latching operation. - [LED Indicator](https://www.etek-china.com/led-indicator.md): Panel indicators are available in 16mm and 22mm formats, with 12–220V AC/DC options and flashing, bi-color or RGB variants. - [Control Box](https://www.etek-china.com/control-box.md): Control boxes are designed around 22mm operator devices, with IP65 protection and plastic, aluminium or stainless-steel enclosures. - [Rotary Switch](https://www.etek-china.com/rotary-switch.md): Cam rotary switches provide multi-position circuit selection, with AC/DC/PV-DC variants differentiated by contact sequence and mounting format. - [Electromagnetic Starter](https://www.etek-china.com/electromagnetic-starter.md): Electromagnetic starters combine a contactor and overload relay, with overload/undervoltage protection and three-phase or star-delta configurations. - [Automation Relay](https://www.etek-china.com/automation-relay.md): Automation relays include time-delay, liquid-level and voltage-monitoring types, with SPDT/DPDT and single-/three-phase options. - [AC Isolator Switch](https://www.etek-china.com/ac-isolator-switch.md): AC isolator switches provide local disconnection, with rail/panel mounting and selected IP65 outdoor or higher-current variants. ## Industrial Breaker Devices - [Industrial Breaker Devices](https://www.etek-china.com/industrial-power-distribution-electric.md): Industrial breaker range combines MCCBs up to 2000A with high-capacity ACB solutions for feeder, distribution and large-power protection. FAQ: Q: When should I look at an MCCB instead of an ACB? A: ETEK MCCBs are used for overload and short-circuit protection across a broad range of distribution applications and are available in fixed, adjustable, electronic, and DC versions. ETEK ACBs are intended for high-capacity power distribution where high breaking capacity, selective protection, and multifunction release options are required. Q: Where can I compare ETEK MCCB and ACB ranges before selecting a model? A: Use the Molded Case Circuit Breaker and Intelligent Universal Circuit Breaker category pages together with the current ETEK MCCB & ACB catalogue in the Catalogue section. - [Molded Case Circuit Breaker](https://www.etek-china.com/mccb.md): MCCBs cover fixed, adjustable and electronic protection, with current ratings up to 2000A and selected designs up to 1500VDC or 1140VAC. - [Intelligent Universal Circuit Breaker](https://www.etek-china.com/acb-circuit-breaker.md): Intelligent ACBs target high-capacity distribution, emphasizing high breaking capability, selective protection and multifunction electronic releases. ## EV Charger Solution - [EV Charger Solution](https://www.etek-china.com/charging-station.md): EV charging platform covers Mode 2 and Mode 3 charging, with IEC/SAE interfaces, OCPP/Modbus control options and residual-current sensing. FAQ: Q: Does ETEK only provide EV chargers, or also the electrical protection and control products used around the charging system? A: The EV charging portfolio also includes portable chargers, charging cables and connectors, charging controllers, accessories, EV distribution boards, and AC/DC residual current sensors. Q: Where can I find ETEK information for selecting an EV charging configuration? A: Use the EV Charger Solution and its subcategory pages for current products, and refer to the ETEK EV Charger Selection Guide in the Catalogue section for selection information. - [EV Charger](https://www.etek-china.com/ev-charger.md): Mode 3 AC chargers support IEC 61851-1, OCPP communication, multiple start methods and dynamic load balancing. - [Portable EV Charger](https://www.etek-china.com/portable-ev-charger.md): Mode 2 portable chargers are offered in 3.7kW and 7.3kW single-phase versions, with customizable plugs and built-in electrical protection. - [EV Charging Cable and Connector](https://www.etek-china.com/ev-charging-cable-and-connector.md): EV cables/connectors include IEC 62196-2 Type 2 and SAE J1772 Type 1 interfaces, with 16A/32A single- and three-phase options and product configurations up to 22kW. - [EV Charging Controller](https://www.etek-china.com/ev-charging-controller.md): EV charging controllers support IEC 61851 or SAE J1772 architectures, with Modbus-RTU or OCPP communication depending on controller series. - [EV Charging Accessories](https://www.etek-china.com/ev-charging-accessories.md): Accessories include RCMU, RFID, sockets and protection/control modules, with Type EV, Type B and dynamic-load-balancing options. - [EV Distribution Board](https://www.etek-china.com/ev-distribution-board.md): EV distribution boards include 4-way IP20 indoor and 5-way IP65 outdoor formats, with configurable protection combinations. - [AC/DC Residual Current Sensor](https://www.etek-china.com/acdc-residual-current-sensor.md): AC/DC residual-current sensors support single-/three-phase systems and multiple mounting formats, with selected 6mA DC/30mA AC thresholds and self-test. ## Solar Power Electrical Devices - [Solar Power Electrical Devices](https://www.etek-china.com/photovoltaic-system-protection.md): PV DC protection portfolio includes breakers up to 1500VDC, gPV fuses, Type 2 DC SPD and DC isolation products. FAQ: Q: What protection components can ETEK provide on the DC side of a solar PV system? A: ETEK provides DC circuit breakers, DC fuses, DC surge protective devices, DC isolator switches, combiner boxes, string monitoring devices, waterproof cable glands, and solar connectors. Q: Can ETEK solar combiner boxes be configured for different PV project requirements? A: ETEK publishes combiner-box options for different string counts and DC system voltages, and current product documentation states that special configurations can be customized according to project requirements. - [Solar PV String Monitoring Device](https://www.etek-china.com/solar-pv-string-monitoring-device.md): PV string monitors measure string current and voltage inside combiner boxes, supporting string-level fault detection and performance comparison. - [DC Circuit Breaker](https://www.etek-china.com/dc-circuit-breaker.md): DC MCBs cover 12–1500VDC applications, 6kA/10kA breaking-capacity options and IEC 60947-2 based ranges. - [DC Fuse](https://www.etek-china.com/dc-fuse.md): gPV fuse products include 1000V and 1500V ranges, using 10×38mm, 10×85mm or 14×85mm formats depending on application. - [DC SPD](https://www.etek-china.com/dc-spd.md): DC SPD range includes Class T2 products for systems up to 1500VDC, with selected 40kA discharge-capacity options. - [DC Isolator Switch](https://www.etek-china.com/dc-isolator-switch.md): DC isolators include polarized/non-polarized and 2P/3P/4P versions; selected ranges comply with IEC 60947-3 / DC-PV1, with current capacity varying by system voltage and wiring configuration. - [Combiner Box](https://www.etek-china.com/combiner-box.md): PV combiner boxes aggregate multiple string inputs and integrate DC protection, with selection based on string count, system voltage and component configuration. - [Waterproof Cable Gland](https://www.etek-china.com/waterproof-cable-gland.md): IP68 cable glands use PG and metric threads, with selection based on cable diameter and enclosure sealing requirements. - [Solar Connector](https://www.etek-china.com/solar-connector.md): Solar connector range includes 1000V MC4-style male/female products, selected by connector gender, cable compatibility and system voltage. ## T-Series Circuit Protection Solutions - [T-Series Circuit Protection Solutions](https://www.etek-china.com/t-series-circuit-protection-solutions.md): T-Series integrates MCB, RCBO, AFDD, RCCB, isolator and SPD ranges, with selected breakers up to 15kA and coordinated DIN-rail architecture. FAQ: Q: Where can I get complete T-Series selection and installation information instead of checking models one by one? A: The T-Series resource section provides a T-Series brochure, full product catalogue, product list for sorting and ordering, and a technical manual with installation and wiring information. Q: Does the T-Series include options for projects that require higher short-circuit breaking capacity? A: Yes. ETEK presents the T-Series circuit protection family with breaking-capacity options up to 15kA; the exact value should be confirmed on the relevant model page or technical document. ## Type B RCDs (RCCB & RCBO) - [Type B RCD Solutions](https://www.etek-china.com/type-b-rcd.md): Type B RCD platform covers RCCB up to 100A and RCBO up to 63A, targeting AC, pulsating DC, smooth DC and higher-frequency leakage. FAQ: Q: Should I choose a Type B RCCB or a Type B RCBO for my distribution board? A: Choose a Type B RCCB when several circuits can share residual-current protection and separate MCBs provide overcurrent protection. Choose a Type B RCBO when each final circuit needs independent residual-current, overload, and short-circuit protection. Q: Which applications are ETEK Type B RCDs intended for? A: ETEK lists EV charging, solar PV and battery systems, heat pumps, variable speed drives, UPS systems, and other loads where AC, pulsating DC, smooth DC, or high-frequency residual currents may need to be detected. ## Company Information - [Company Profile](https://www.etek-china.com/about-etek.md): Company profile covering ETEK's manufacturing bases, production workshops, testing center, quality systems, patents, market coverage, cooperation models, development history, and quality-control process. FAQ: Q: What manufacturing and testing capabilities does ETEK Electric have? A: ETEK operates manufacturing bases in Wenzhou and Wuhu and maintains its own low-voltage electrical testing center with testing projects aligned with international IEC standards. Q: What company-level quality and innovation information is publicly available? A: ETEK publicly lists ISO 9001, ISO 14001, and ISO 45001 management system certifications, more than 100 national patents, and trademark registrations in more than 80 countries. - [Factory Photos](https://www.etek-china.com/factory-photos.md): Factory gallery showing ETEK's Wenzhou and Wuhu facilities, workshops, warehouses, production areas, and testing scenes such as life, temperature-rise, and delay tests. - [Modern Slavery Statement](https://www.etek-china.com/modern-slavery-statement.md): Corporate policy statement covering ETEK's approach to modern slavery, human trafficking, supply-chain due diligence, reporting, and remediation. ## Regional Agency & Global Distribution - [Regional Agency](https://www.etek-china.com/regional-agency.md): Global distributor and agency page covering more than 100 export countries and 25+ distributors, with regional search and a request form for obtaining authorized distributor contact information. FAQ: Q: Does ETEK have an authorized distributor or agent in my country? A: ETEK's Regional Agency page lists authorized distributors by country and region. The page currently states that ETEK products are exported to more than 100 countries and that the network includes more than 25 distributors. Q: How can I get the contact details of the ETEK distributor in my region? A: Detailed distributor contact information is not publicly displayed to protect partner business information. Submit the distributor-information request form on the Regional Agency page, and ETEK states that its team will connect you with the appropriate distributor within 1–2 business days. ## Service & Support - [Catalogue](https://www.etek-china.com/catalogue.md): Central download library organized into product brochures, detailed catalogues, agent catalogues, specification lists, selection guides, and technical manuals with installation and wiring information. FAQ: Q: Where can I download product catalogues, selection guides, specification lists, and technical manuals? A: Use the ETEK Catalogue section, which provides product brochures, detailed product catalogues, selection guides, specification lists, and technical manuals for multiple product families. Q: How can I request a sample before placing a larger order? A: ETEK's official FAQ states that customers can send an enquiry and a dedicated salesperson can arrange samples; selected products can also be purchased through the listed online retail channel. - [FAQ](https://www.etek-china.com/faq.md): Official buyer FAQ covering manufacturer status, available product ranges, local agents, sample purchasing, quality assurance, and payment-related questions. - [Contact ETEK Electric](https://www.etek-china.com/contact-us.md): Official enquiry and sales-contact page with ETEK's telephone, WhatsApp, email, company address, map, and enquiry form for product or project communication. ## Optional - [ETEK Blog](https://www.etek-china.com/blog-news): Main knowledge center combining product selection, troubleshooting, application guidance, technical explainers, company updates, and exhibition content across ETEK's electrical product areas. FAQ: Q: Where can I find ETEK articles about product selection, troubleshooting, and application questions? A: The ETEK Blog is divided into technical topics including circuit breakers, residual current devices, AFDD, surge protection, solar, contactors, industrial products, and EV charging, with articles covering selection and troubleshooting questions. Q: Where are ETEK company updates and exhibition information published? A: Company developments are published under Company News, while trade-show and exhibition updates are published under Exhibition News. - [Company News](https://www.etek-china.com/company-news): Company-news archive for ETEK product milestones, certifications, business developments, and other corporate updates. - [Circuit Breaker](https://www.etek-china.com/circuit-breaker): Technical article category focused on circuit breakers, including MCB fundamentals, application scenarios, selection, retrofit questions, and troubleshooting topics. - [Residual Current Device](https://www.etek-china.com/residual-current-device): Knowledge category covering RCCB, RCBO, Type B RCD selection, nuisance tripping, distribution-panel integration, installation, and residual-current protection applications. - [Arc Fault Detection Devices](https://www.etek-china.com/arc-fault-detection-devices): Technical content about AFDD and arc-fault protection, including false triggering, AFDD versus RCBO, fire-prevention applications, and troubleshooting. - [Surge Protective Device](https://www.etek-china.com/surge-protective-device): SPD knowledge section covering lightning and switching surges, Type 1/2 protection, industrial equipment protection, failure prevention, and surge-protection selection. - [Solar](https://www.etek-china.com/solar): Solar-related technical articles covering photovoltaic protection components, distribution boxes, fuses, outdoor enclosures, and PV system application questions. - [Contactor](https://www.etek-china.com/contactor-1): Contactor knowledge section covering contactor types, operating principles, connection methods, selection, and application in electrical control systems. - [Others](https://www.etek-china.com/others): Additional technical articles covering modular devices and practical topics such as impulse relays, changeover switches, fuse bases and links, and pushbutton switches. - [Exhibition News](https://www.etek-china.com/exhibition-news): Exhibition archive covering ETEK participation in trade fairs and electrical-industry events, including event dates, locations, invitations, and product-display information.