| Relay |
Description |
| NPI600 |
3-phase overcurrent and earth fault |
| NPID600 |
Directional 3-phase overcurrent and earth
fault |
| NPIR600 |
3-phase overcurrent and earth fault with
recloser |
| NPIDR600 |
Directional 3-phase overcurrent and earth
fault with recloser |
| NPIH600 |
Earth fault |
| NPIHD600 |
Directional earth fault |
| NPU600 |
3-phase under/over voltage |
| NPUH600 |
Zero-sequence over voltage |
| NPM600 |
Motor protection |
| NPDT620 |
Two winding transformer differential
protection |
| NPDT630 |
Three winding transformer differential
protection |