How long is the delivery time?

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

What certifications does the product have?

The product is CE certified and the manufacturer holds ISO9001, ISO45001, and ISO14001 certifications.

What payment terms are accepted?

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

Tomzn 1p 500V DC MCCB Circuit Breaker for PV with B Curve

Name: Tomzn 1p 500V DC MCCB Circuit Breaker for PV with B Curve
Brand: Zhejiang Tongzheng Electric Co., Ltd.
SKU: 2237689245

Zhejiang, ChinaZhejiang Tongzheng Electric Co., Ltd.

US$9.31

5 Pieces

Product profile

Customization

Available

Breaking Capacity

Low Voltage Circuit Breakers

Structure

MCCB

Model NO.

TOM7Z-250/1P

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker

Certification

Specification

1P DC 500V

Trademark

TOMZN

Origin

China Zhejiang

Key features

Specialized for PV Systems: Engineered exclusively for solar photovoltaic systems with 500V DC rated voltage.

B Curve Protection: B-type tripping characteristics respond quickly to moderate overloads and current spikes.

Durable Molded Case: Resistant to dust, moisture, and temperature fluctuations for outdoor rooftop use.

1-Pole Design: Optimized for single-circuit protection of individual PV strings or components.

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

OEM/ODM Services: Offers full customization, minor customization, and flexible options from samples or designs.

100% Inspection: Finished products undergo visual and functional inspection with traceable raw materials.

Fast Lead Time: Average lead time within 15 workdays 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: ≤15h

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 rated voltage for this circuit breaker?

It supports a maximum rated voltage of 500V DC, ideal for solar panel and PV string output.

Q:Is this breaker suitable for outdoor solar installations?

Yes, its molded case construction provides resistance to dust, moisture, and temperature fluctuations.

Q:What type of overload protection does it offer?

It features B curve overload protection, calibrated to respond quickly to moderate overloads.

Q:Can I customize this product?

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

Q:What is the minimum order quantity?

The minimum order quantity is 100 pieces.

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