01. It adapts 3/1 protective circuit with the function of overheat and overcurrent protection inside, which can supply class C protection (8/20μs test) for low voltage distributing power system and electro-device;
02. It also adapts integrated base design for convenient installation and maintenance, besides it has a remote alarm port (no-active contact) for remote control;
03. Rated working voltage on: 230/400V AC;
04. Rated frequency: 48 to 62Hz;
05. Operating voltage: 385V (L-N)/255V (N-PE) (maximum);
06. Nominal discharge current (8/20μs): 20kA (L-N, N-PE);
07. Discharge current (8/20μs): 40kA (L-N, N-PE) (maximum);
08. Voltage protection level-up (20kA 8/20μs ): ≤ 1.8kV (L-N)/ ≤1.0kV (N-PE);
09. Limited voltage-up (5kA 8/20μs ): ≤1.3kV (L-N)/ ≤0.8kV (N-PE);
10. TOV characteristics: 385V/5 second (L-N), 400V/5 second (L-PE)11. Temporary over voltage (TOV) failure;
12. Characteristics: 1,430V/200ms (L-PE), 1,200V/200ms (N-PE);
13. Tolerant short-cut current: 25kA;
14. Size for terminal connection: 1.5 to 25mm² (flexibility)/35mm² (rigid);
15. Current for alarm (maximum);
16. Port: 250V at 0.5A (AC), 0.1A (DC), 125V at 1A (AC), 0.5(DC);
17. Shell fire-retardant grade: UL94 V-0.