RS485,Modbus-RTU protocol;

1 channel passive relay,contact capacity 3A/30VDC,3A/250VAC,

Used for high,low,unbalance alarm etc.

DI (Digital input): 2-channel or 4-channel dry contact digital input with built in power supply

DO (Digital output): 2-channel digital output with NO relay contact. Capacity: 3A/30V DC,3A/250V AC

AC Voltage Input: 400V AC L-L (via direct connetion); 100V AC L-L (via -/100V AC PTs)

AC Current Input: 5A AC or 1A AC (via -/5A AC or -/1A AC CTs)

0.5%

≥ 100MΩ

Between Power supply//Switching Output// Current Input//voltage Input and Transmitting// Communication //Pulse Output//switching input AC 2 kV 1min;

Between Power supply,switching output,Current Input,voltage Input AC 2 kV 1min;

Between Transmitting,Communication,Pulse Output,switching input AC 1kV 1 min;