Features  | 
- True RMS Measurement with SPARC1 and  DCOI2 Algorithm  | 
- Auto / Manual Scroll for Real Time Display of Phase Current  | 
- 1 LT• Inverse + 1 Definite Time Delay  | 
- Fault / lo-set & hi-set Trip LED Indication  | 
- Fault Start Event Recording & LED Indication + Output3  | 
- Pre-Alarm LED Indication + Output3  | 
- Trip Event Memory (non-volatile 7 previous records for all phases)  | 
- Fault Start Event Memory (non-volatile 4 previous records with phase info)  | 
- Programmable Relay Output Contact for K2  | 
- Last Trip Elapsed Time (up to 99days)  | 
- Software Lock to Prevent Unauthorized Setting  | 
- Complies with IEC-60255-26 Standards  | 
- ANSI Code: 50P, 51P  | 
- External Plug-in Module for :- A-01s (RS-485 MODBUS RTU) isolated type  |