Powered by Made-in-China.com
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
AvailableBreaking Capacity
High Voltage Circuit BreakersOperation
Manual TypeModel NO.
ST-2ASpeed
Normal Type Circuit BreakerArc-extinguishing Medium
AirInstallation
FixedStructure
MCBPoles Number
1Type
Circuit BreakerFunction
Overcurrent ProtectionCertification
VDE, ISO9001-2000, CE, CB, CCC, TUVItem
Circuit BreakerCurrent
15~50AVoltage
125/250VAC/32VDCMaterial
BakeliteThread Sleeve Material
AluminumHousing Color
BlackButton Color
BlackFress Sample
AvailableOEM
AcceptedOperating Temperature
-25~+85Transport Package
50PCS/BagSpecification
CQCTrademark
DaierOrigin
ZhejiangHS Code
8536100000Production Capacity
50000PCS/MonthKey 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.
Send Inquiry
*To:
Yueqing Daier Electron Co., Ltd.
Yueqing Daier Electron Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
125VAC/250VAC 5A Rocker Switch Circuit Breaker with Reset off Feature Overload Protector Breaking Capacity
US$0.55-0.85
100 Pieces(MOQ)
Overcurrent Protection 1-4p Singi Air Switch MCB Circuit Breaker with Good Service Sc65-63
US$0.40-1.80
2,000 Pieces(MOQ)
MCB CE Approved Overload Electronic Protection Miniature Circuit Breaker with Factory Price Dz47-63
US$0.49-1.80
2,000 Pieces(MOQ)
Sdkc 3p Circuit Breaker with Overload and Short Circuit Protection
US$0.60-1,810.00
1 tower(MOQ)
2p Miniature Circuit Breaker with Short Circuit and Overload Protection
US$1.50-1.80
1 tower(MOQ)
New Type MCB AC/DC Miniature Circuit Breaker 1A-63A with Overload and Short Circuit Protection
US$0.56
1,000 Pieces(MOQ)
800A High-Speed 3p Molded Case Circuit Breaker with Overload and Short Circuit Protection
US$0.60-1,810.00
1 tower(MOQ)
DC Circuit Breaker with Overload and Short Circuit Protection
US$11.39
500 Pieces(MOQ)
230/400V 63A Overload Protection Circuit Breaker with IP20 Rating for Safety
US$1.00-10.00
100 Pieces(MOQ)
Sdkc 630 Molded Case Circuit Breaker with Overload Protection
US$0.60-1,810.00
1 tower(MOQ)
Factory Price Conventional Circuit Breaker 6ka IP20 Electrical Switch Overload Protection Solar MCB
US$1.35-6.51
200 Pieces(MOQ)



















