- Product Introduction
- Product Features
- Technical Parameters
SYM3Z-250 DC moulded case circuit breaker (hereinafter referred to as MCCB) is used for DC power supply with rated voltage of 1000V and rated current of 250A and below. MCCB can distribute electric power and protect circuit and power supply device from overload, short circuit or other faults.
SYM3Z-250 MCCB has the advantages of good arc extinguishing performance, high reliability and convenient operation and maintenance. It can guarantee the safe and reliable operation of the DC system.
Note: SYM3Z-250 MCCB has four poles in appearance, and the internal series series wiringof 3+1 has been made. The wiring mode is shown in figure 1.
Essential Parameters of SYM3Z-250 MCCB
Essential parameters of SYM3Z-250 MCCB is shown in Table 1.
Table 1 Essential parameters of SYM3Z-250 MCCB
|1||Rated Insulation Voltage Ui||V||1000|
|2||Rated Operating VoltageUe||DC 1000|
|Phase to Phase, Phase to Earth, Break|
|3||Rated Impulse Withstand Voltage Uimp||8000|
|4||Rated Ultimate Short-circuit Breaking Capacity Icu||kA||DC 40|
|5||Rated Service Short-circuit Breaking Capacity Ics||DC 20|
|7||Number of Pole||/||4|
|8||Installation Method||Horizontal Installation & Vertical Installation|
|9||Wiring Method||Front-panel Wiring & Back-panel Wiring|