1. Suit for 3 phase 4 wire connection mode
2. Used for 4x3 phase AC measuring,12x1 phase AC measuring
3. LCD display U,I,P,Q,S,PF,F,kWh,kvarh
4. Over &Under limit alarm,up to 500 alarm records
5. Max. measure current up to 600A
6. 33.3mA & 100mA rated current input (optional)
7. LED light indicates alarm &communication status
8. Standard 35mm DIN Rail Mount