CEZC Moulded Case Circuit Breaker
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With 30 years experience, we produce quality MCCB with moderate price. Looking for dealer, wholesaler and other type of clients for further cooperation.
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 | |
| Protection | |||
| 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 | |
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