What are the minimum order quantities?

The minimum order quantity is 100 pieces.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Is OEM or ODM service available?

Yes, both OEM and ODM services are available for this product.

Tomzn 3 Phase ATS for PV Automatic Transfer Electrical Selector Switch

Name: Tomzn 3 Phase ATS for PV Automatic Transfer Electrical Selector Switch
Brand: Zhejiang Tongzheng Electric Co., Ltd.
SKU: 2224218415

Zhejiang, ChinaZhejiang Tongzheng Electric Co., Ltd.

US$16.24

5 Pieces

Product profile

Customization

Available

Warranty

1 Year

Brand

Tomzn

Model NO.

TOQ7-63PV 3P

Operation

Electric

Certification

Type

Integrated automatic transfer switch

Poles

Output type

Triple

Specification

15*11*8cm

Trademark

TOMZN

Origin

China

Key features

Seamless PV to Grid Transition: Enables uninterrupted switching between solar inverter power and city grid power for continuous operation.

PC-Level Safety Protection: Handles full load switching without generating short-circuit currents to protect sensitive equipment.

1-Year Comprehensive Warranty: Covers mechanical defects and operational issues for one year from the date of purchase.

CE Certified Compliance: Meets European safety and performance standards for electrical equipment.

Full Customization Options: Supports customization from samples, designs, minor adjustments, and full custom specifications.

OEM and ODM Services: Offers original equipment manufacturing and original design manufacturing services for partners.

100% Finished Product Inspection: Every unit undergoes visual and functional inspection before shipment to ensure quality.

Fast Lead Time Delivery: Average production time within 15 working days for both peak and off-peak seasons.

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: ≤11.20h

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 warranty period for this switch?

We provide a 1-year warranty covering mechanical defects and operational issues.

Q:Can this switch be customized?

Yes, we offer full customization options including customization from samples, designs, minor adjustments, and flexible customization.

Q:What are the main power sources for this device?

Source A connects to the PV inverter (primary power), and Source B connects to the city grid (backup power).

Q:Does this switch require a specific power setup for the B side?

Yes, the B side (utility grid) must remain continuously powered on to provide a stable reference point for accurate detection.

Q:What safety level does this switch operate at?

It is classified as PC level, capable of handling load switching under full power without generating short-circuit currents.

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