Bowser Electric Bowser Electric

Automatic Transfer Switch (ATS) Factories & Exporters

Premium Power Reliability Systems & Global OEM/ODM Engineering Solutions by Wenzhou Bowser Electric Co., Ltd.

High Performance Components

Featured Automatic Transfer Switches

Explore our top-tier, certified ATS models engineered for residential solar backups, industrial microgrids, and intelligent power distribution networks.

Dual Power Automatic Transfer Switch 2P 4P 63A

Dual Power Automatic Transfer Switch 2P 4P 63A, DIN Rail ATS for Solar Inverter and Home Backup, Fast Changeover

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Industrial Automatic PC Transfer Switch 2P 63A 230V

Industrial Automatic PC Transfer Switch 2P 63A 230V Single Phase 5kA Breaking Capacity Dual Power Changeover Switch

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CNC Integrated/Split Type ATS 63A-630A

CNC Integrated/Split Type ATS on OFF Switch 63A 125A 250A 400A 630A 3P/4P Automatic Transfer Switch With Remote Control RS485

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16A 63A 100A 2p 3p 4p ATS 230V

16A 63A 100A 2p 3p 4p ATS 230V Automatic Transfer Switch ATS Electrical Switch

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Chayo 2P 63A Automatic Transfer Switching (ATS)

Chayo 2P 63A Automatic Transfer Switching (ATS) 110VAC 220VAC Dual Power PC Type Switch with White Housing DIN-Rail Mounting

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Photovoltaic Dual Power ATS Controller 380V

[CE Certified] 63A 100A Photovoltaic Dual Power Automatic Transfer Switch ATS Controller 380V Din Rail Mount Changeover Switch

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Din Rail Dual Power ATS 2P 3P 4P 63A 100A 125A

Din Rail Dual Power Automatic Transfer Switch Selector Switches 2P 3P 4P ATS Uninterrupted Power Generator 63A 100A 125A PC Type

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Cummins 180kW/225kVA Industrial Genset ATS

Case For Cummins 180kW/225kVA Industrial Genset With Remote Start 1800 RPM ATS Automatic Transfer Switch Super Silent Type

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35+
R&D Engineers
25+
Int'l Patents
120+
Export Countries
1500+
Happy Wholesalers
1200+
Catalog Items
5-Yr
Solid Warranty

Wenzhou Bowser Electric Co., Ltd.: Empowering the Future of Electrical Solutions

Welcome to Wenzhou Bowser Electric Co., Ltd., a global manufacturing powerhouses in the advanced power distribution and circuit control industry. As an ISO 9001 certified manufacturer and exporter, we specialize in high-efficiency modular electric terminal components, smart residential control gear, and commercial-grade industrial switch solutions. We hold an unwavering commitment to engineering safety, system reliability, and localized market compliance.

Our global foot print covers major markets across the Americas, Europe, Middle East, and Southeast Asia. Working closely with procurement managers, utility providers, and microgrid developers, we bridge the gap between heavy industrial switch design and dynamic consumer-grade smart systems. By providing extensive ODM/OEM support, Bowser Electric ensures that every product integrates smoothly into localized networks with optimal thermal and mechanical performance.

Cutting-Edge Technology & Innovative R&D

Our state-of-the-art laboratory features a 35+ member R&D team comprising experienced mechanical designers, firmware programmers, and electrical engineers. Over the last decade, Bowser Electric has acquired more than 25 international patents, focusing on sub-millisecond transfer controls, arc containment chambers, and smart IoT communication protocols.

Core Design Principle: Dual-Channel Dynamic Interlocking

By implementing advanced mechanical and electrical interlocking arrays, Bowser ATS solutions prevent cross-source faults and short circuits under severe fluctuating grid states.

Uncompromising Quality Control & Global Certifications

Quality assurance at Bowser Electric is defined by a rigorous zero-defect philosophy. Our assembly systems have achieved a verified 99.9% defect-free rate through automated testing benches. Our factory facilities conform strictly to ISO 9001 standards. Furthermore, our ATS and circuit breaker components carry international safety markings including CE, CB, and CE-PV, certifying compliance under extreme temperature, humidity, and vibration conditions.

Extensive Global Reach & Trusted Partnerships

Bowser Electric is a dependable supply chain partner for engineering firms and switchboard manufacturers across 120 countries. Over 1,500 satisfied industrial buyers trust us to keep critical municipal, telecom, and solar installations operational. Through long-term strategic relationships with key distribution channels, we facilitate seamless custom clearing, reliable bulk logistics, and extensive local aftermarket support.

Technical Capabilities
  • Rated Current: 16A to 630A
  • Poles Config: 2P, 3P, 4P available
  • Rated Voltage: 110V, 220V, 380V, 400V AC
  • Short Circuit Breaking: Up to 5kA (PC Class)
  • Mounting: 35mm Standard DIN-Rail & Baseplate
  • Remote Control Protocols: RS485 Modbus, Wi-Fi Tuya
  • Transfer Time: <50ms (Ultra-fast switching)
Compliance Markings
  • IEC/EN 60947-6-1 Standard
  • CE Certified & CB Tested
  • RoHS Compliant materials
  • ISO 9001:2015 Facility
Whitepaper insights

ATS Market Trends & Macro-Engineering Solutions

An analytical overview of modern smart grid integration, B2B procurement concerns, and industrial deployment of Automatic Transfer Switches.

1. The Modern Evolution of Power Transfer Infrastructure

The rising frequency of volatile weather patterns, coupled with the rapid integration of decentralised renewable generation, has rewritten the rules of modern grid engineering. Industrial plants can no longer rely on singular power sources. Modern Automatic Transfer Switches (ATS) have shifted from simple electrical switches to intelligent node controllers capable of bidirectional load evaluation, micro-grid syncing, and transient suppression.

Furthermore, the growth of high-availability cloud infrastructure and remote medical clinics demands sub-cycle transfer speeds. The modern industrial sector requires ATS devices that execute transfers fast enough to prevent switch-mode power supplies (SMPS) from dropping out. In home backups, the proliferation of solar hybrid inverters demands quick transition switches to preserve local battery life and prevent damage to delicate consumer electronics.

2. B2B Procurement Demands: Addressing the Wholesaler's Pain Points

B2B electrical importers, contractors, and switchboard builders are challenged with complex sourcing problems. A minor compatibility issue or an uncertified batch of transfer switches can lead to project delays, severe damage claims, and regulatory penalties. Buyers prioritize four core factors:

Universal Standard Compliance

Products must carry authentic CE, CB, and IEC markings to pass strict national inspections in Europe, Latin America, and Southeast Asia.

Dynamic Current Configurations

Wholesalers need a versatile catalog with 2P/3P/4P configurations and ratings spanning 16A to 630A to serve diverse client projects without stocking excessive SKUs.

Robust Short-Circuit Capability

Sufficient breaking capacity (such as 5kA or higher) guarantees that the switch survives unexpected electrical faults without contact fusing or structural damage.

Seamless Smart Integration

Modern designs must support remote telemetry, RS485 communication protocols, and Wi-Fi Tuya smart interfaces for modern automation systems.

3. Industrial Solutions Across Sectors

Bowser Electric supplies custom ATS configurations tailored for specific target applications:

  • Renewable Energy Systems (Solar / Wind): CE-PV certified switches manage the transition between solar inverters, local battery storage, and utility grid feeds. They automatically switch sources to prevent battery over-discharge while ensuring uninterrupted energy supply to the property.
  • Heavy Machinery & Test Benches: Specialized setups (e.g., SA-RAPID ATS and Drivetrain Test Benches) require high mechanical cycles, vibration resistance, and rapid control responses to ensure that diagnostic instruments remain online during heavy drivetrain shifting.
  • Emergency Generator Sets: Complete low-voltage switchboards featuring industrial-grade ATS and auto-start controllers guarantee that diesel generators startup and take over loads in under 3 seconds during localized blackout events.
Inside the Factory

Our Advanced Production Lines & Facilities

Witness the step-by-step manufacturing, assembly, and testing process of Wenzhou Bowser Electric Co., Ltd.

Wire Stripping Process
Process Step 01

Wire Stripping

Automated precision wire stripping ensures consistent conductor exposure without damaging the copper core.

Coil Winding Process
Process Step 02

Winding

Tightly controlled coil winding systems optimize electromagnetic actuator activation inside our transfer switches.

Hydraulic Punching
Process Step 03

Hydraulic Punching

Heavy-duty hydraulic tooling forms durable copper contacts and high-strength metal bracket enclosures.

Laser Marking
Process Step 04

Laser Marking

High-speed lasers print permanent serial codes, safety specifications, and logos directly on casings.

Pad Printing
Process Step 05

Pad Printing

Crisp, readable electrical diagrams are printed on switch side faces for simple system installation.

Circuit Breaker Assembling
Process Step 06

Circuit Breaker Assembling

Specialized manual assembly bays align critical trip mechanisms and switch terminals.

Solar Components And MCCB Assembling
Process Step 07

Solar Components & MCCB Assembling

Integration of high-voltage photovoltaic components and molded case switches.

Automated Riveting
Process Step 08

Automated Riveting & Pad Printing

Combines mechanical interlocking and pad branding into a single, high-efficiency step.

Riveting
Process Step 09

Riveting

Secure mechanical fastening of base modules to withstand long-term switching vibrations.

Product Testing
Process Step 10

Testing

Every finished unit undergoes electrical continuity, breakdown voltage, and thermal testing before packaging.

Packaging Section
Process Step 11

Packaging

Anti-static, impact-resistant padding and high-quality double-walled carton packaging for global shipment protection.

Vacuum Packaging
Process Step 12

Vacuum Packaging Machine

Vacuum sealers keep electronic modules dry and dust-free during ocean transport.

Printing Machinery
Process Step 13

Pad Printing Machines

Our high-capacity multi-color pad printers facilitate fast custom labels and OEM logos.

Laser Machines
Process Step 14

Laser Marking Machines

Fully programmable laser engraving systems ensure marking accuracy and permanence on specialized components.

Technology Roadmap & Future Outlook (2025–2030)

Looking to the future, Bowser Electric is actively developing solid-state digital transfer switching devices. By using silicon carbide (SiC) or gallium nitride (GaN) power electronics rather than traditional mechanical contacts, future ATS models will achieve near-instantaneous transfers (measured in microseconds). This eliminates electrical arcing, extends device lifespan, and provides superior protection for critical digital infrastructure.

We are also expanding our smart ecosystem to integrate seamlessly with home energy management systems (HEMS). Using MQTT and Modbus TCP protocols, future Bowser smart transfer switches will feature predictive maintenance capabilities. By monitoring contact temperature, operations count, and load profiles, these devices will alert operators via mobile applications before faults occur.

Our Commitment to a Sustainable Future

Sustainability is a core focus at Wenzhou Bowser Electric. We are dedicated to developing energy-efficient power components, using eco-friendly materials, and adopting manufacturing processes that reduce environmental impact. By combining innovation, safety, and sustainable design, we strive to build a cleaner, more reliable electrical future for communities worldwide.

Knowledge Base

Frequently Asked Questions (FAQ)

Find expert answers to common questions about sourcing, installing, and configuring Automatic Transfer Switches (ATS).

Q: What is the main difference between PC Class and CB Class Automatic Transfer Switches?

A: PC Class switches feature a robust mechanical design designed to carry current and withstand short circuits, but they do not incorporate an overcurrent release mechanism. Their primary function is to transfer loads reliably between sources, requiring external fuses or circuit breakers for overcurrent protection. CB Class switches, by contrast, are equipped with overcurrent releases (similar to a circuit breaker) and are capable of interrupting fault currents independently. PC Class switches are typically preferred in critical applications due to their higher short-circuit withstand ratings (SCCR).

Q: Can Bowser ATS units be used in grid-tied solar inverter installations?

A: Yes. Bowser Photovoltaic Dual Power ATS units are designed specifically for solar and hybrid storage applications. They manage the transition between solar inverter outputs, battery backup systems, and the utility grid. By prioritizing solar energy and automatically switching to grid power when battery voltages drop, they ensure uninterrupted operation of home appliances.

Q: What communication protocols are supported by Bowser smart transfer switches?

A: Our smart ATS systems support RS485 Modbus RTU communication for industrial automation and SCADA systems, as well as integrated 2.4GHz Wi-Fi modules (compatible with the Tuya Smart and Smart Life ecosystems) for residential and commercial monitoring. This enables real-time voltage monitoring, remote switching control, and alerts.

Q: Does Wenzhou Bowser Electric support custom OEM / ODM branding for wholesalers?

A: Yes. We offer comprehensive OEM/ODM solutions. Backed by our 35+ member R&D team and dedicated laser marking and pad printing equipment, we can customize casing colors, layout schematics, logos, and packaging designs. We have successfully delivered over 150 custom solutions in partnership with global brands.

Q: What safety certifications do your ATS lines carry for international markets?

A: All Bowser ATS products undergo testing to ensure international compliance. They carry authentic CE, CB, and RoHS markings, and are manufactured in facilities certified to the ISO 9001:2015 standard. This compliance ensures acceptance by inspections across Europe, Asia, Latin America, and other markets.

Industrial Application Gear

Advanced Systems & Distribution Equipment

Discover our range of industrial-grade transfer controls, test bench interfaces, and complete switchgear cabinets.

Automatic Transfer Switching for Drivetrain Test Benches

Automatic Transfer Switching (ATS) For AP-SA Drivetrain Test Benches And Transmission Vehicle Testing Equipment

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GEYA Automatic Transfer Switch 220V 10-63A

GEYA GATS-W8Z Small Size 220V 2P 3P 4P Changeover Switch ATS 10-63A Intelligent Display Dual Power Automatic Transfer Switch

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SA-RAPID ATS Automatic Transfer Switching Test Benches

SA-RAPID ATS Automatic Transfer Switching For Transmission And Drivetrain Test Benches

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GEYA W2R-WIFI Automatic Transfer Switch

GEYA W2R-WIFI Automatic Transfer Switch 110V/220V/400V 2P/3P/4P 16A~100A 50/60Hz Din Rail Changeover Switches Support Tuya

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ELEATS Smart WiFi TUYA Automatic Transfer Switch

ELEATS Smart WiFi TUYA Automatic Transfer Switch 63A 100A 2P 4P Changeover Switch for Solar System & Distribution

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63A 4P Automatic Transfer Switch Generator Changeover

63A 4P Professional Grade Automatic Transfer Switch (ATS) & Generator Changeover Switch with Smart Controls.

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Vietnam 100A 125A 4P Automatic Transfer Switch

Vietnam 100A 125A 4P PC Class Automatic Transfer Switch Dual Power ATS 220V 400V for Generator Solar System

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Low Voltage Electrical Distribution Cabinet ATS

Complete Low Voltage Indoor Electrical Distribution Equipment Automatic ATS Dual Power Transfer Switching Cabinet 200A Rated 6

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Partner with a Leading ATS Exporter

Looking for reliable OEM/ODM solutions, bulk electrical distribution supply, or technical project consulting? Get in touch with our engineering team today to receive a detailed quote.

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