| Protection Type |
Numerical differential protection with overcurrent, over/under voltage, and thermal overload functions |
| Number of Windings Supported |
Two or three windings |
| Fault Detection |
All-phase, earth, interturn faults; restricted earth fault protection |
| Hardware Design |
Compact modular design with minimal hardware units |
| Software |
Modular configuration, software version V6.3 compatible |
| Availability |
High availability with continuous self-supervision, mean time in service close to 1 |
| Binary Inputs/Outputs |
Configurable, typically 8 binary inputs and 6 output relays |
| Communication Ports |
Serial ports for configuration and monitoring (e.g., RS-232) |
| Power Supply |
24-250 V DC or 100-240 V AC, depending on variant |
| Operating Temperature Range |
-25°C to +55°C |
| Dimensions |
177 mm x 177 mm x 144 mm (W x H x D, 4U 19" rack mount) |
| Standards Compliance |
IEC 60255, ANSI/IEEE C37.91, CE marked |