| ID | 91 |
|---|---|
| Name | voltage directional relay |
| Description | A device that operates when the voltage across an open circuit breaker or contactor exceeds a given value in a given direction. |
| Notes |
| ID | 91 |
|---|---|
| Name | voltage directional relay |
| Description | A device that operates when the voltage across an open circuit breaker or contactor exceeds a given value in a given direction. |
| Notes |