Acrel three-in-one wireless partial discharge sensor APD300-W

*Brand：Acrel *Model：APD300-W *Communication:LORA *Power：battery *PD monitoring sensors：AE、TEV、UHF *Installation：Magnetic *Environment:-40℃～85℃ / ≤95%RH

Acrel Central switch cabinet protection relay 50/51 3stages overcurrent 50N/51N 3stages earth fault AM3SE-I

● A complete set of protection, related to the application; ● 5 current input, 3 voltage input, 11DI, 5DO; ● Auxiliary power supply adapts with AC 220V, DC 220V, DC 110V, AC 110V, DC 48V, DC 24V; ● 1 RS485 serial communication, IEC60870-5-103 and Modbus-RTU; ● 1 GPS for GPS timing; ● More than 200 sequence of event records, more than 400 system logs, and more than 10 seconds tripping context records; ● Powerful graphic programmable Logic.

Acrel AE TEV UHF sensors three-in-one partial discharge monitoring Wired partial discharge sensor equipment fault status early warning monitoring APD300-L

*Brand：Acrel *Model：APD300-L * *Communication:rs485 *Sampling：4s *PD monitoring sensors：AE、TEV、UHF *Installation：Magnetic *Environment:-40℃～85℃ / ≤95%RH

35kV substation protective relays line protection devices 3 stages overcurrent overvoltage directional power AM5SE-F

The AM5SE relay has the modular design and it can be optimized to almost all type of feeder protection applications in medium voltage distribution systems. AM5SE-F protective relays line protection devices has rich measuring input,3 phase currents ,2 Residual currents,3 phase voltages,1 Residual voltage,20 digital inputs,10 digital outputs,2 programmable 4-20mA DC outputs,Trip and close circuit supervision, which can adapt to 0.25~5A trip-and-close current.