What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Can you provide samples?

Yes, samples can be supplied if needed.

What is the warranty or quality guarantee?

We provide a swift 24-hour resolution for any quality complaints and conduct 100% inspection (function and visual) before shipment.

High-Performance Thqc Circuit Breaker for Enhanced Safety and Efficiency 3p 30A

Name: High-Performance Thqc Circuit Breaker for Enhanced Safety and Efficiency 3p 30A
Brand: Zhejiang Johnn Electrical Co., Ltd
SKU: 1971203281

Zhejiang, ChinaZhejiang Johnn Electrical Co., Ltd

US$2.80

5 pieces

Sample price:US$2.80/piece.Request sample

Product profile

Breaking Capacity

Low Voltage Circuit Breakers

Speed

High-Speed Circuit Breaker

Arc-extinguishing Medium

Air

Model NO.

3P 30A

Installation

Fixed

Structure

MCB

Poles Number

Type

Circuit Breaker

Function

Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection

Certification

ISO9001-2000, CE

Modelnumber

Thqc

Selling Units

Single Item

Sample

If You Need Sample,We Can Supply for You.

Product Name

Thqc Circuit Breaker

Color

Black

Material

Rated Voltage

Low Pressure

Package

Carton

Trademark

JOHNN

Origin

Zhejiang, China

Key features

Millisecond Short-Circuit Protection: Electromagnetic trip unit cuts off power within milliseconds to prevent equipment damage.

Reusable Overload Protection: Automatically cuts off current during overload; resettable manually or automatically without replacement.

Wide Application Range: Suitable for construction, industrial manufacturing, and power industries with modular design options.

Long Mechanical Life: High-quality mechanical operation life reaches tens of thousands of times for frequent on-off scenarios.

Maintenance-Free Design: Well-sealed internal structure eliminates need for regular lubrication or component replacement.

Dual Control Modes: Supports manual operation and electric control via relays or intelligent systems for automation.

Comprehensive Safety Certifications: Products hold CE, ROHS, TUV, and CB certifications ensuring international safety standards.

Flexible Customization: Offers OEM and ODM services with flexible customization options for models and specifications.

Company profile

High Repeat Buyers ChoiceImporters and ExportersExhibition ExperienceQuality Assurance

Zhejiang Johnn Electrical Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Flexible customization CertifiedExport Year: 3 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤4.87h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryZhejiang Johnn Electrical Co., Ltd. is a China-based limited company established in 2023 with 15 employees and a valid import/export license. It reports OEM service for well-known brands, ODM capability, and broad customization options, but has only two R&D engineers, no patents, no new products in the past year, and no available R&D audit documentation. Service-control documentation is weak: no written procedures or records were provided for supplier service assessment, corrective and preventive actions, or complaint handling. The supplier has no overseas warehouse, showroom, agent, or branch, although it has attended the 137th Canton Fair. Financial credibility cannot be assessed because the slices only identify financial-capacity years and provide no financial results or monetary data. Production capability and customer cases are also insufficiently documented.

Supplier typeThe supplier is identified as Zhejiang Johnn Electrical Co., Ltd., a Chinese limited company established on March 21, 2023, with 15 employees and an associated company. It also holds a valid import/export license, supporting its status as an operating trading/manufacturing-related business entity.

CertificationsThe provided information confirms possession of a valid import/export license. No other certifications are identified, so the assessment is limited to this license.

After-Sales capabilityAfter-sales and service governance appear weakly documented: there are no written procedures or records for complaint handling, corrective and preventive actions, or effective service-capability assessment. The supplier also has no overseas warehouse, showroom, agent, or branch, although it reports participation in the 137th Canton Fair and stated peak/off-season lead times.

R&D capabilityThe supplier reports ODM capability and CAD use, but its R&D team consists of only two engineers, no patents are reported, no new products were developed in the past year, and no R&D audit documentation is available. These facts indicate limited documented innovation depth.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also reports ODM services and OEM services for well-known brands, providing direct evidence of broad customization capability.

Product Q&A

Q:What are the main functions of this circuit breaker?

It provides conventional circuit breaking, failure protection, and overcurrent protection with automatic overload cut-off and fast short-circuit response.

Q:Is this circuit breaker reusable after a fault?

Yes, unlike fuses, it can be manually or automatically reset after faults are eliminated without needing to replace components.

Q:What certifications does the product have?

The product has passed ISO9001, ISO14001, CE, ROHS, TUV, and CB certifications.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Q:What are the accepted payment terms?

Accepted payment types include T/T, L/C, Western Union, PayPal, and small-amount payments. Currencies accepted are USD and CNY.