What is the lead time for production?

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

Does the product have safety certifications?

Yes, the product is CE certified to ensure safety and compliance with international standards.

How does the manual operation work?

Users can quickly switch between Source A, Source B, or an Off position using a clear, positive-action lever handle.

Tomzn 63A Mts Dual Power Switch with Interlock Feature

Name: Tomzn 63A Mts Dual Power Switch with Interlock Feature
Brand: Zhejiang Tongzheng Electric Co., Ltd.
SKU: 2235813185

Zhejiang, ChinaZhejiang Tongzheng Electric Co., Ltd.

US$1.22

5 Pieces

Product profile

Customization

Available

Breaking Capacity

400V

Operation

Manual Type

Model NO.

TO119G

Structure

MCB

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)

Certification

Specification

none

Trademark

TOMZN

Origin

China

Key features

Mechanical Interlock Safety: Prevents simultaneous connection of two power sources, eliminating backfeeding and short circuit risks.

Dual Power Source Switching: Securely alternates between grid, generator, solar inverter, or battery backup sources.

High Breaking Capacity: Rated for 400V with 63A current capacity for robust electrical performance.

Comprehensive Protection: Features overcurrent, overvoltage (OVP), and circuit-breaker failure protection.

Flexible Customization: Supports OEM/ODM services, including customization from samples, designs, and full customization.

CE Certified Quality: Product holds CE certification, ensuring compliance with European safety standards.

Manual Operation Simplicity: Intuitive lever handle allows quick switching between Source A, Source B, and Off positions.

Manufacturer Direct: Sold directly by a manufacturer with ISO certifications and 10 years of export experience.

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: ≤10.70h

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 purpose of the mechanical interlock?

The mechanical interlock prevents both power sources from connecting simultaneously, eliminating backfeeding risks and preventing short circuits.

Q:Can this switch be used with solar or battery systems?

Yes, it is designed to switch between public grid, standby generators, solar inverters, or battery backup systems.

Q:What customization options are available?

We offer OEM/ODM services, including customization from samples, designs, minor adjustments, and full customization.

Q:What are the payment terms?

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

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 100 pieces.

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