Sontuoec Household Residual Current Circuit Breaker
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Product Highlights
- High Short-Circuit Withstand: Capable of withstanding short-circuit currents up to 6000A for reliable protection.
- Dual Type Options: Available in both electromagnetic and electronic types for versatile applications.
- Finger Protected Terminals: Equipped with safety terminals to prevent accidental contact during installation.
- Wide Current Range: Rated currents from 16A to 63A available for 2-pole and 4-pole configurations.
- Multiple Sensitivity Levels: Offers residual current sensitivities of 10, 30, 100, 300, and 500mA.
- DIN Rail Mounting: Designed for easy installation on standard 35mm DIN rails using fast clips.
- Long Mechanical Life: Endures up to 10,000 mechanical operations for durable long-term use.
- Factory Direct Pricing: Competitive pricing directly from a manufacturer with over 20 years of experience.
Product Attributes
- Customization
- Available
- Breaking Capacity
- Low Voltage Circuit Breakers
- Operation
- Manual Type
- Model NO.
- ST3FP60-40
- Speed
- High-Speed Circuit Breaker
- Arc-extinguishing Medium
- Air
- Installation
- Fixed
- Structure
- ELCB
- Poles Number
- 4
- Type
- Circuit Breaker
- Function
- Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
- Certification
- ISO9001-2000, CE, CB
- Standard
- IEC 61008.1
- in
- 16,25,32,40,63A
- Ue
- 230/400V
- Pole
- 2p ,4p
- Transport Package
- Inner Box/Carton
- Specification
- 100pcs/ctns
- Trademark
- SONTUOEC, EUELCB, WZSTEC, SONTUNE, IMDEC
- Origin
- Wenzhou Zhejiang
- HS Code
- 853620000
- Production Capacity
- 2000pieces/Day
- Package Size
- 46.00cm * 24.00cm * 33.00cm
- Package Gross Weight
- 0.250kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Sontuoec Household Residual Current Circuit Breaker
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Product Description
SONTUOEC 4P Residual Current Circuit Breaker Device RCD Electronic /Magnetic type :
ST3FP60-40 RCCB 4P RCD circuit breaker
ST3FP60-40 series Residual Current Circuit Breaker without over current protection conforms to the standards of GB16916.1, IEC1008, BS4293 etc. It is used in the circuits of AC 50~60Hz, single phase 230V(220V), three phases 400V (380V) in industrial & mining enterprises, commercial buildings and housing for protection of personal electric shock hazard and electric equipment and for unfrequent switchover of
circuits under normal conditions.
2.Main Technical Parameter
| Type and specification | Rated Current | Rated Voltage | Rated operating current | Residual operating current range | Rated conditional short circuit current | ||
| ST3FP60-40 | 2 poles | 16A,25A,32,40A,63A | AC230V | 0.03A,0.1A,0.3A | 0.5In~In | 3000A to 6000A | |
| 4poles | 16A,25A,32A,40A, 63A |
AC 400V | 0.03A,0.1A,0.3A | 0.5In~In | 3000A to 6000A | ||
Product Over View:
1.Provide protection against earth fault/leakage current and function of isolation
2.High short-circuit current withstand capacity
3.Applicable to terminal and pin/fork type busbar connection
4. Equipped with finger protected connection terminals
5.Automatically disconnect the circuit when earth fault/leakage current occurs and exceeds the rated sensitivity
6.Independent of power supply and line voltage, and free from external interference, voltage fluctuation.



| Sandard: | IEC/EN61008.1 | ||
| Electrical features |
Type(wave form of the earth leakage sensed) | Electro-magnetic type, electronic type | |
| Residual Current characterstics | A,AC | ||
| Poles | P | 2,4 | |
| Rated voltage Us | V | AC 240/415; AC 230/400V | |
| Rated current (In) | A | 16,20A,25A,32A,40A,63A; | |
| Rated sensitivity I△n | mA | 10,30,100,300,500mA | |
| Insulation voltage Ui | V | 500 | |
| Rated residual making and breaking capacity I△m |
A | 630 | |
| Short-circuit current I△c | A | 6000 | |
| SCPD fuse | A |
|
|
| Rated frequency | Hz | 50/60 | |
| Pollution degree | 2 | ||
| Mechanical features |
Electrical life | t | 4000 |
| Mechanical life | t | 10000 | |
| Protection degree | IP20 | ||
| Ambient temperature (with daily average ≤35ºC) |
ºC | -25~+40 | |
| Storage temperature | ºC | -25~+70 | |
| Installation | Terminal connection type | Cable/U-type busbar/pin-type busbar | |
| Terminal size top/bottom for cable | mm2 | 25 | |
| AWG | 18-3 | ||
| Terminal size top/bottom for busbar | mm2 | 25 | |
| AWG | 18-3 | ||
| Tightening torque | N*m | 2.5 | |
| In-lbs | 22 | ||
| Mounting | On DIN rail EN 60715(35mm)by means of fast clip device | ||
| Connection | From top and bottom | ||

Packaging Details:
2 Pole 1PC packed in inner box
Master Carton: 100 PCS
Carton size: 53x40x19CM
N.W./G.W.: 23/25 KGS
20' GP Container: 70,200PCS
40' GP Container: Over weight
4 Pole 1PC packed in inner box
Master Carton: 50 PCS
Carton size: 53x40x19CM
N.W./G.W.: 21/23 KGS
20' GP Container: 35,100PCS
40' GP Container: Over weigh
Our Services:
1.Competitive price
2.Continuance Service and support
3.Good-after service
4.Quality Reliability and Long Product Life.
Q: Are you trading company or manufacturer ?
A: We are factory. Our teams have more than 20years experience in the field of Circuit Breaker...
Q: How long is your delivery time?
A: Usually, normal orders need 25days or so.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge,but,the express charge need be paid by the buyers.
Q: What is your terms of payment ?
A: Payment<=5000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance ,balance before shippment.

About the Supplier
Company Profile
WENZHOU SANTUO ELECTRICAL Co., Ltd. is one of manufactories that specialize in manufacturing Circuit Breaker; AC CONTACTOR, Thermall Relay and Isolator Switch, Change over switch; Power Distribution Case, Push Button Switch; Voltage Regulator/Protector...More than 20years and is located in Liushi, Wenzhou, China that called " the Capital of Low Voltage Electronic Products", enjoying convenient transportation access and a beautiful environment. Our teams have more than 20years' experience; We have passed ISO9001 approval, The products have passed CE, CB(IEC), SAA certificates and strictly comply with IEC standards. The company has advanced detection instruments and strong technical force with strong research and development capability, product constantly updated. The products export Europe, Asia, Southern Amercia, Middle East, Western Africa market.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
On the base of guarrantee the quality, we will try our best to design new model with ourselves patents for the coming years.
About Our Factory & Business Background
- Address
- No. 3999 Liujiang Road, Liushi Yueqing, Wenzhou, China.
- Terms of Payment
- LC, T/T, D/P, PayPal
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays - Nearest Port
- NINGBO
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2016-01-08
- Main Markets
- South America, Eastern Europe, Southeast Asia, Africa, Mid East, Eastern Asia, Western Europe
FAQ
- Are you a trading company or manufacturer?
- We are a factory. Our teams have more than 20 years of experience in the field of Circuit Breaker.
- How long is your delivery time?
- Usually, normal orders need 25 days or so.
- Do you provide samples? Is it free or extra?
- Yes, we could offer the sample for free charge, but the express charge needs to be paid by the buyers.
- What is your terms of payment?
- Payment <= 5000USD, 100% in advance. Payment >= 5000USD, 30% T/T in advance, balance before shipment.
Send your message to this supplier
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Product Groups
- RCBO Circuit Breaker
- Adjustable earth leakage circuit breaker
- Residual current circuit breaker
- Miniature circuit breaker
- Moulded case circuit breaker
- Motor Protection Circuit Breaker
- AC Contactor
- Magnetic Contactor
- Air Conditioning Contactor
- Thermal relay
- Solid State Relay
- Magnetic starter
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