CEZC series of MCCB perfect function,ensure 100% reliability and continuity of power supply.
CEZC
CEZC Moulded Case Circuit Breaker
Usage
CEZC series of MCCB are used in the distribution network of AC 50/60Hz, rated operational voltage 440V, and rated current from 15A to 630A. It is used for distributing power and protecting circuits, power, and electrical equipment from overload and short circuit damage, which improves the reliability and continuity of power supply.
Perfect function
The breaking capacity covers the common breaking in Level ll power distribution areas and the electromechanical market: 25KV, 36KV, and 50KV. Including 1P, 2P, 3P and 4P products.
A comprehensive range of protection, including low-voltage distribution systems protection, motor protection, and earth leakage protection.
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Functions and Characteristics
| Item No. | CEZC100 CEZC250 | CEZC400 CEZC630 | |
| Number of poles | 1P, 2P, 3P, 4P | 3P, 4P | |
| Control | Manual | with toggle/with direct or extended rotary handle | |
| Connections | Fixed | front connections/rear connections | |
| Electrical characteristics as per IEC60947 and EN60947-2 | |||
| Rated insulation voltage | Ui | 690V | |
| Rated impulse withstand voltage | Uimp | 6 KV | |
| Rated operational voltage | Ue | AC 50/60Hz,440V | |
| Isolation Function — | — | ||
| Utilization category | A | ||
| Endurance(C-O cycles) | Mechanical | 15000 10000 | 10000 |
| Electrical 440V | 5000 5000 | 4000 | |
| Protectiom | |||
| Release | Thermal magnetic | Thermal magnetic Electronic | |
| Overload protection | ■ | ■ Ir(In x….) | |
| Short-circuit protection | ■ | ■ Isd(Ir x….) | |
| Earth-leakage protection | — | — ■ | |
| Indication and control auxiliaries | |||
| Auxiliary contact AX and Alarm contact AL | ■ | ||
| Combined AX + AL | ■ | ||
| SHT shunt relesae | 24V, 220V, 380V | ||
| UVR under-voltage release | ■ | ||
| Installation/connection | |||
| Accessories | Terminal extensions | ■ | ■ |
| Terminal shields | ■ | ■ | |
| Phase barriers | ■ | ■ | |
Ultimate Breaking Capacity (kA rms) Icu
| CEZC100B | CEZC100F | CEZC100N | CEZC100H | CEZC250F | CEZC250N | CEZC250H | ||||
| Number of poles | 3 | 3 | 1 | 3-4 | 1 | 2-3-4 | 3 | 3 | 2-3 | |
| Rated current (A) | at 40 °C | 15, 16, 20, 25,30, 32, 40, 45,50, 60, 63, 75,80, 100 | 100, 125, 150,160, 175, 200,225, 250 | |||||||
| AC 50/60 Hz | 110/130 V | 10 | 25 | 25 | 25 | 50 | 100 | 25 | 50 | 85 |
| 220/230/240 V | 10 | 25 | 18 | 25 | 25 | 100 | 25 | 50 | 85 | |
| 380 V | 7.5 | 10 | 2.5 | 18 | 5 | 30 | 18 | 25 | 36 | |
| 400/415 V | 7.5 | 10 | 2.5 | 15 | 5 | 30 | 18 | 25 | 36 | |
| 440 V | 5 | 7.5 | – | 10 | – | 20 | 15 | 20 | 25 | |
| 550 V | 2.5 | 5 | – | 5 | – | 10 | 5 | 8 | 10 | |
| DC | 125 V (1P) | – | 5 | 5 | 5 | 10 | 10 | 5 | 20 | 30 |
| 250V (2P in series） | – | 5 | – | 5 | – | 10 | 5 | 20 | 30 | |
| CEZC250N | CEZC250H | CEZC400N | CEZC400H | CEZC630N | CEZC630H | |||
| Number of poles | 4 | 4 | 3-4 | 3-4 | 3-4 | 3-4 | ||
| Rated current (A) | at 40 °C | 63, 80, 100, 125,150, 160, 175, 200, 225, 250 | 320, 350, 400 | 400, 500, 600 | ||||
| AC 50/60 Hz | 220/230 V | 50 | 85 | 40 | 70 | 40 | 70 | |
| 380 V | 25 | 36 | 36 | 50 | 36 | 50 | ||
| 400/415 V | 25 | 36 | 36 | 50 | 36 | 50 | ||
| 440 V | 20 | 25 | 36 | 50 | 36 | 50 | ||
| 550 V | 8 | 10 | – | – | – | – | ||
| DC | 125 V (1P) | 20 | 30 | – | – | – | – | |
| 250V (2P in series） | 20 | 30 | – | – | – | – | ||
Tripping Curves
Packing Data
| Model | Qty/CTN(pcs) | GW(kg) | NW(kg) | Carton Size(cm) |
| CEZC-100 1P | 80 | 26.5 | 23.5 | 48.5*29.5*26 |
| CEZC-100 2P | 40 | 23 | 20 | 48.5*28.5*25 |
| CEZC-100 3P | 30 | 24 | 21 | 48.5*29.5*26 |
| 20 | 16 | 14 | 42*29.5*20 | |
| CEZC-100 4P | 20 | 21 | 19 | 48.5*29.5*23 |
| CEZC-250 3P | 16 | 25.2 | 22.4 | 45.5*36*24 |
| CEZC-250 4P | 20 | 31.4 | 28 | 58.5*36*23 |
| CEZC-400 3P | 4 | 24 | 22.4 | 33*31*30.5 |
| CEZC-400 4P | 4 | 30.5 | 27.5 | 42.5*32*30.5 |
| CEZC-630 3P | 4 | 24.8 | 22.3 | 33*31*30.5 |
| CEZC-630 4P | 4 | 31.5 | 28.5 | 42.5*32*30.5 |
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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