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Stfn Low Voltage Residual Current Circuit Breaker RCCB
US$3.75
3,000-4,999 Pieces
US$3.65
5,000+ Pieces
Sample price:US$100.00/bag.Request sample
Product profile
Customization
AvailableBreaking Capacity
Low Voltage Circuit BreakersOperation
Electric TypeModel NO.
STFNSpeed
High-Speed Circuit BreakerArc-extinguishing Medium
AirStructure
ELCBPoles Number
4Type
Circuit BreakerFunction
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCBCertification
CEStandard
IEC 61008.1in
16, 25, 32, 40, 63AUe
230/400VPole
2p, 4pPrice
Factory DirectQuality
18months WarrantyTransport Package
Inner Box/CartonSpecification
100pcs/ctnsTrademark
SONTUOEC, WZSTECOrigin
Wenzhou ZhejiangHS Code
853620000Production Capacity
2000pieces/DayKey features
IEC 61008.1 Compliance: Complies with international standard IEC/EN61008.1 for safety and reliability.
Multiple Current Ratings: Available in 16A, 20A, 25A, 32A, 40A, and 63A to suit various needs.
High Short-Circuit Capacity: Withstands up to 6000A short-circuit current for enhanced safety.
18-Month Warranty: Factory direct quality with 18 months warranty coverage.
Versatile Pole Options: Available in 2P and 4P configurations for different voltage systems.
Wide Sensitivity Range: Offers 10mA, 30mA, 100mA, 300mA, and 500mA sensitivity options.
DIN Rail Mounting: Easy installation on standard 35mm DIN rail with fast clip device.
OEM Service Available: Custom logo printing supported for orders with good quantity.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2016-01-08Nearest Port: NINGBOAverage Response Time: ≤1.86hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF
AI-Powered supplier vetting
SummaryThe supplier demonstrates broad customization, OEM/ODM service capability, in-stock capacity, and substantial stated production volumes for contactors and circuit breakers. It exports 90% of total sales, has self-operated import/export rights, serves multiple global regions, and has attended the Canton Fair. ISO9001:2015 and CE certification are reported. However, innovation evidence is limited because no new products were reported in the past year and no SDK is available. Quality and service procedures exist but lack written records, while overseas agents, branches, warehouses, and showrooms are absent. Peak-season fulfillment information is inconsistent: one slice states 2–3 months, while others state within 15 workdays or one month. Financial data is represented only by years, so credibility cannot be determined.
Supplier typeThe supplier is an export-oriented manufacturer with self-operated import/export rights, OEM and ODM capabilities, in-stock capacity, and stated production of 500,000 contactors and 1,500,000 circuit breakers. It serves multiple overseas regions but has no overseas agents, branches, warehouse, or showroom.
CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certification holdings, although no additional certification details or validity documentation are provided.
R&D capabilityThe supplier offers ODM services and multiple design customization modes, but reports no new products during the past year and no available SDK. This indicates design-service capability without sufficient evidence of recent product innovation.
Production capacityThe supplier reports annual output of 500,000 contactors and 1,500,000 circuit breakers, maintains inventory capability, and states off-peak lead times within 15 workdays in some records. However, peak-season timing is inconsistent, with records ranging from within 15 workdays or one month to 2–3 months.
Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM and ODM services, including OEM for well-known brands. This is strong direct evidence of broad customization capability.
Product Q&A
Q:What are the payment terms?
A:
We accept TT, 30% deposit and 70% balance against copy of BL.
Q:How long is the delivery time?
A:
Usually it will take about 25 days for production.
Q:What is the standard packaging?
A:
Normally are cartons, but also we can pack it according to your requirement.
Q:Do you accept custom logos?
A:
If you have good quantity, it absolute no problem to do OEM.
Q:Can I take samples before ordering?
A:
Yes, we support to take samples before place the order. Just feel free to contact with us if you have any requirements.
Send Inquiry
*To:
Wenzhou Santuo Electrical Co., Ltd.
Wenzhou Santuo Electrical Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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