What certifications does this product have?

The product is CE certified, ensuring it meets required safety and quality standards.

What is the minimum order quantity?

The minimum order quantity is 100 pieces.

How long does it take to deliver the product?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Tomzn Automatic Dual Power Transfer Switch for Solar Systems

Name: Tomzn Automatic Dual Power Transfer Switch for Solar Systems
Brand: Zhejiang Tongzheng Electric Co., Ltd.
SKU: 2224398475

Zhejiang, ChinaZhejiang Tongzheng Electric Co., Ltd.

US$15.52

5 Pieces

Product profile

Customization

Available

Warranty

1 Year

Brand

Tomzn

Model NO.

TOQ7-63PV

Certification

Poles

Output type

Dual

Trademark

TOMZN

Origin

China

Key features

Ultra-Fast Switching: Switches between power sources in less than 50 milliseconds to ensure zero interruption.

Solar System Optimization: Designed specifically for PV systems with inverters as the main source and grid as backup.

1-Year Warranty: Comprehensive coverage for 1 year from the date of purchase.

CE Certified: Product meets European safety and quality standards with CE certification.

OEM & ODM Services: Full customization, design-based, and sample-based customization options available.

100% Quality Inspection: Every finished product undergoes visual and functional inspection before shipment.

Stable Backup Power: Ensures continuous operation by maintaining B-side grid power for stability.

2P Configuration: Dual power transfer switch with 2 poles designed for reliable power management.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Zhejiang Tongzheng Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Ningbo port, shanghai portAverage Response Time: ≤10.92h

About Our Factory & Business Background

AddressNo. 11 Xinhe Road, Huabei Village, Liushi Town, Leqing City, Wenzhou, Zhejiang, China

Plant Area3000 square meters

Number of Employees80

Registered Capital21,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)CIF, FOB, CFR, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity100 pcs

Supply Chain Partners30

Our Production Capability & Technical Expertise

Main ProductsCircuit Breaker, Fuse, Automatic Transfer Switching, Voltage Meter, Photovoltaic combiner box, Surge protective devices

Production Lines4

Production MachinesInjection molding machine, Printing machine1, Printing machine2, Laser marking machine, Assembly line

QA/QC inspectors6 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers5 people

Traceability of Raw MaterialsYes

Own BrandYes

Our Industry Experience & Global Business Record

Year of Establishment2002-04-19

Main MarketsSouth America, Europe, Southeast Asia/ Mideast, South Asia

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff7

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001

Product CertificationCE

Cooperated with Fortune 500No

Product Q&A

Q:What is the switching time of this transfer switch?

The dual power switching mechanism operates at the PC level and switches between sources in less than 50 milliseconds.

Q:Can this switch be used with a generator?

No, this system is specifically designed only for switching between a photovoltaic system with its inverter and the city power grid. It is not suitable for applications involving generators.

Q:What is the warranty period for this product?

We provide a 1-year warranty for this Automatic Dual Power Transfer Switch.

Q:Is customization available for this product?

Yes, we offer OEM and ODM services including full customization, customization from designs, samples, and flexible customization options.

Q:What are the main power source requirements?

The photovoltaic inverter type must be connected as the A source (main power), while the stable grid power serves as the B source (backup). The B side must always remain powered on.