EZC400 3P
Description:
EZC series of MCCB is used in the distribution network of AC50/60Hz, rated operational voltage 440V and rated current from 15A to 400A. It is used for distributing power and protecting circuit, power and electrical equipment from overload and short-circuit damage, which will improve the reliability and continuity of power supply.
- Type and Specification
| Standard Certifications | IEC60947-2/C8201-2-1 | ||
| Item No. | EZC400 | ||
| Number of poles | 3,4 | ||
| Electrical characteristics as per IEC60947-2 and EN60947-2 | |||
| Rated current(A) | In | 320,350,400 | |
| Rated Operating Voltage(V) | Ue | 440v | |
| Rated Insulated Voltage (Ui) | Ui | 690v | |
| Rated impulse withstand voltage(kV) | Uimp | 6kV | |
| Types of Circuit Breakers | N | H | |
| Ultimate breaking capacity | 230/240V | 85 | 100 |
| (kA rms Icu） | 400/415V | 36 | 50 |
| 440V | 36 | 50 | |
| 550V | 15 | 20 | |
| Rated service breaking capacity | 230/240V | 42.5 | 50 |
| (kA rms Icu) | 400/415V | 18 | 25 |
| 440V | 18 | 25 | |
| 550V | 5 | 10 | |
| Utilization category | A | ||
| Mechanical Parameters | Mechanical | 10000 | |
| Electrical | 5000 | ||
| Protection | |||
| Overload protection | Bimetal | ○ | |
| Instantaneous protection | Magnetic | ○ | |
| Auxiliaries | |||
| Indication contacts | AX | ○ | |
| AL | ○ | ||
| AXAL | ○ | ||
| Voltage releases | SHT | ○ | |
| UVR | ○ | ||
| Control | Manual | with toggle | |
| with direct or extended rotary handle | |||
