SD11
SD11 Miniature Circuit Breaker
SD11 type leakage circuit breaker is mainly used for AC 50/60Hz, rated voltage 230V/400V, rated current 4500A ~ 6000A in the range of overload protection, short circuit protection, leakage protection, and under-voltage protection. It can also be used for infrequent on-off switch operations under normal circumstances.
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Functions and Characteristics
| Item No. | SD11 Series | |
| Electrical characteristics as per IEC/EN 61008-1 | ||
| Rated current(A) | In | 2,4,6,10,16,20,25,32,40,50,63A |
| Number of poles | 1P, 1P+N, 2P, 3P,3P+N, 4P | |
| Rated voltage(V) | Ue | 230/400V |
| Rated insulation voltage(V) | Ui | 550V |
| Rated frequency | 50/60Hz | |
| Rated breaking capacity | 4500/6000A | |
| Rated impulse withstand voltage(1.2/50) | Uimp | 4kV |
| Thermo-magnetic release characteristic | B C D | |
| Mechanical Life | 10000 | |
| Electrical life | 4000 | |
| Installation | ||
| Contact position indicator | Yes | |
| Protection degree | IP20 | |
| Reference temperature for setting of thermal element | 30℃ | |
| Ambient temperature (with daily average ≤35℃） | -5~+40℃ | |
| Storage temperature | -35~+70℃ | |
| Resistance to damp heat | 2 types(temperature 55℃, relative humidity 95%) | |
| Installation type | Modular structure, Rail mounted | |
| Terminal wiring capability | 25mm² | |
| Terminal connection type | Cable/U-type busbar/Pin-type bustar | |
| Tightening torque | 2.0N*m 22In-Ibs | |
| Mounting | 35mm | |
| Connection | From top and bottom | |
Dimension
Packing Data
| Model | Qty/CTN(pcs) | GW(kg) | NW(kg) | Carton Size(cm) |
| SD11 1P | 120 | 13 | 12 | 47*23.5*18.5 |
| 240 | 16 | 14 | 47*23.5*34 | |
| SD11 2P | 60 | 13 | 12 | 47*23.5*18.5 |
| 120 | 16 | 14 | 47*23.5*34 | |
| SD11 3P | 40 | 13 | 12 | 47*23.5*18.5 |
| 80 | 16 | 14 | 47*23.5*34 | |
| SD11 4P | 30 | 13 | 12 | 47*23.5*18.5 |
| 60 | 16 | 14 | 47*23.5*34 |
Advantage
- High precision mold 500+ sets
- Products exhibit exceptional craftsmanship
- 48-Hour Anti-Saltspray
- 20,000+ Life Time
- High Breaking Capacity up to 100kA
- -25℃ Min Temperature
Customized to your design
Manufacture products based on customer’s complete specifications.
Customers provide comprehensive specifications documents covering all product details, specifications include complete technical drawings, bill of materials, material/component requirements, and all dimensions, our Engineering and manufacturing team reviews specifications to ensure producibility, we can also provide some new ideas to help you make your product better!
Customized Solution
Frequently Asked Questions
A: We are professional manufacturer in industrial electrical equipment since 1992. Welcome to have online/offline factory tour for further communication.
A: Sure, please send us an inquiry and tell us your demand, we have a professional team to support you in model selection til the order is placed.
A: Moulded Case Circuit Breaker, Air Circuit Breaker, Earth Leakage Circuit Breaker, Miniature Circuit Breaker, Contactor, Motor Protection Circuit Breaker, etc.
A: We strict in high quality. Products has low temperature rise, long life time and good corrosion resistance. Our materials are Mitsubishi PC, DuPont PA66, DMC-A/DMC-2, metal coating-corrosion resistance 72 hours, T2 copper bar, T2 copper pillar, T2 copper plate. All Products pass the test of CQC,CE,CB and TUV.
A: Yes, 24 months warranty, and our products are 100% inspected. If any problems, let us know immediately, and we will give a satisfactory solution.
A: Yes, 100% inspection. Products passed all tests: micro resistance test, withstand voltage test, temperature rise test, short time delay characteristic test, long time delay characteristic test and instantaneous trip test for each phase.
A: Yes sure, we provide OEM/ODM/OBM/OPM service, consult us for details like MOQ and design.
A: Usually it takes about 25 days for production. If you have urgent requirements, please send us a list to check the stock. We have sufficient stock for materials.
A: We have flexible payment terms, and accept TT, 30% deposit with 70% balance before shipment.
A: Welcome! Please let me know your Country/Area first, we will have a check and then process it. Don’t hesitate to contact us for further cooperation.
A: Yes, for large quantities, we always support with better prices. Also, there are some seasonal promotions. Please contact us for a special discount.
A: For transportation issues, we will assist in troubleshooting and provide accessories and guidance. If the product cannot be repaired, we will send you replaced one in the next order. For installation issues, we will provide installation instructions or video guidance.
A: Welcome! We are in Liushi Town, Wenzhou City, Zhejiang, China. Let us know when you are planning to visit.
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