系统监控继电器

RPFD三相四线无功功率继电器
· Adjustable Reverse Power (Current) setting (2% - 20%)
· Suitable for 3 Phase 4 Wire or single phase system.
· Direct Current sensing or through 5A external CT.
· Built in Auxiliary Supply.
· Adjustable Power ON Delay : 1-10 Sec.
· Adjustable Trip Time Delay – 1-10 Sec.
· 1 CO (2 CO) Relay output rated 5A at 230V AC (Resistive)
· Auto / Manual Reset

RPTD无功功率继电器
· Adjustable Reverse Power (Current) setting (2% - 20%)
· Suitable for 3 Phase 3 Wire or single phase system.
· Direct Current sensing or through 5A external CT.
· Built in Auxiliary Supply.
· Adjustable Power ON Delay : 1-10 Sec.
· Adjustable Trip Time Delay – 1-10 Sec.
· 1 CO (2 CO) Relay output rated 5A at 230V AC (Resistive)
· Auto / Manual Reset

COSD功率因数继电器
· Monitors Low Power factor of the connected load.
· Energizing Delay (1-10 Sec.)
· Trip Delay (1–10 Sec.)
· Adjustable COSf settings (0.1 – 0.9).
· Available for any System Voltage.
· 1 CO output rated 5A / 230V AC (Resistive).
· LED indications for Power ON & Fault.
· Auto / Manual Reset.
· Sleek DIN Rail mounted housing

PFMR功率和功率因数继电器
· Monitors Power drawn by motor / pump loads for Under & Over Power.
· Energizing Delay (1-10 Sec.)
· Trip Delay (1–10 Sec.)
· Adjustable Under Power & Over Power settings.
· Available for any System Voltage.
· Separate 1 CO outputs for Under Power & Over Power.
· LED indications for Power ON & Fault.
· Auto / Manual Reset.
· Sleek DIN Rail mounted housing

EFR2接地故障继电器
· Monitors Earth Fault currents.
· Instant Trip.
· Adjustable Over Current settings (0.1 – 2A)
· 1 CO output rated 5A / 230V AC (Resistive).
· LED indications for Power ON & Fault.
· Manual Reset.
· Sleek DIN Rail mounted housing

EFR1接地故障继电器
接地故障继电器适用于设置值范围为100mA至5A电机／泵负荷的接地故工况进行监控。 这些可使用CBCT或三个标准CT。于监控线路频率变化监控发电机过速，频率电器特别适合于频率过／过高的情况。监控发电机功率逆流情况或电机作为发电机时，可使用逆功率继电器。 它通过检测逆电流来测功率率方向，从而产生动作信号，继电器便可以通过信号进行控制。