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50A Overload Protection Switch Circuit Breaker with Aluminum Thread Sleeve
US$0.90
100-999 Pieces
US$0.75
1,000+ Pieces
Sample price:US$1.20/piece.Request sample

Product profile

Customization

Available

Breaking Capacity

High Voltage Circuit Breakers

Operation

Manual Type

Model NO.

ST-2A

Speed

Normal Type Circuit Breaker

Arc-extinguishing Medium

Air

Installation

Fixed

Structure

MCB

Poles Number

1

Type

Circuit Breaker

Function

Overcurrent Protection

Certification

VDE, ISO9001-2000, CE, CB, CCC, TUV

Item

Circuit Breaker

Current

15~50A

Voltage

125/250VAC/32VDC

Material

Bakelite

Thread Sleeve Material

Aluminum

Housing Color

Black

Button Color

Black

Fress Sample

Available

OEM

Accepted

Operating Temperature

-25~+85

Transport Package

50PCS/Bag

Specification

CQC

Trademark

Daier

Origin

Zhejiang

HS Code

8536100000

Production Capacity

50000PCS/Month

Key features

High Breaking Capacity: Designed for high voltage applications with robust manual operation and fixed installation.
Wide Current Range: Available in multiple current ratings from 3A to 50A to suit various circuit protection needs.
Durable Construction: Features a bakelite housing with an aluminum thread sleeve for enhanced durability and stability.
Comprehensive Certifications: Certified by VDE, ISO9001-2000, CE, CB, CCC, and TUV ensuring global quality standards.
OEM/ODM Support: Customization accepted for current, voltage, and color; OEM services available for tailored solutions.
Reliable Electrical Life: Tested for over 10,000 cycles with high dielectric strength of >=1500VAC/1 min.
Competitive Pricing: Offers high-quality circuit breakers at competitive prices with great service support.
Free Sample Available: Free samples are available for evaluation; drawings or samples accepted for quotation.

Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2006-08-03 CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤3.90h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryYueqing Daier Electron Co., Ltd. is a China-based limited company established in 2003, operating from Yueqing, Zhejiang. The supplier offers electrical and electronic products including rocker switches, push buttons, indicator lights, circuit breakers, sockets, and enclosures. Evidence indicates established production resources, including eight production lines, 6–10 quality-control staff, a 3,000 m² manufacturing area, and stated output capacity. It holds an ISO 9001:2015 certificate and reports multiple product safety certifications, although the specific validity or scope of those certifications is not provided. The supplier has export experience since 2006 and serves multiple international regions. R&D experience, customized-product capability, and stated production responsiveness are positive indicators, while after-sales capability and customer case evidence are insufficiently documented.
Supplier typeThe supplier is identified as Yueqing Daier Electron Co., Ltd., a China-based limited company located in Yueqing, Zhejiang. Its business is associated with manufacturing and trade, and its product scope centers on electrical and electronic components such as switches, indicator lights, circuit breakers, and enclosures.
CertificationsThe supplier explicitly reports an ISO 9001:2015 management-system certificate and states that many products have passed safety certifications including UL, cULus, VDE, CSA, TUV, CE, CCC, CQC, ENEC, and KEMA. The available information does not specify certificate numbers, validity dates, or product-by-product coverage, but it provides explicit evidence of certification holding or certification claims.
R&D capabilityThe supplier reports six years of R&D engineer experience, strong technological capacity, production testing equipment, and a mould-processing center. It also claims advanced real-time production capabilities, supporting a positive assessment of technical development resources, although no specific patents, new-product records, or quantified R&D achievements are provided.
Production capacityProduction evidence includes eight production lines, 6–10 quality-control staff, a 3,000 m² manufacturing plant, more than 100 staff claimed in the company description, and stated lead times within 15 working days in both off-peak and peak seasons. The records also describe complete production testing equipment and mould-processing capability, indicating established manufacturing capacity.
Customization capabilityThe supplier explicitly states that it can provide customized products for unique and challenging applications. Its reported mould-processing center and technological capabilities provide direct supporting evidence for customization, although the slices do not specify minimum order quantities, engineering workflow, or customization examples.

Product Q&A

Q:What are the available current ratings?
A:
The circuit breaker is available in multiple current ratings including 3A, 5A, 7A, 8A, 10A, 13A, 15A, 20A, 25A, and up to 50A.
Q:What certifications does this product have?
A:
The product holds VDE, ISO9001-2000, CE, CB, CCC, and TUV certifications.
Q:Is OEM or customization available?
A:
Yes, OEM is accepted. Customization is available for current (15~50A), voltage, and housing/button colors.
Q:What is the working voltage range?
A:
The minimum working voltage is 12V and the maximum is 125V. It supports both DC and AC usage.
Q:How is the product packaged and shipped?
A:
Products are shipped worldwide by sea, air, or express services like DHL, UPS, TNT, FEDEX, and CHINA POST.

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