| Manufacturer | ELKO EP |
| Manufacturer series | HRN-54 |
| Controlled parameter | phase asymmetry, overvoltage, too low voltage, phase failure |
| Mounting | for DIN rail mounting |
| Power supply | from tested wiring system |
| IP rating | IP20 |
| Operating temperature | -20...55°C |
| Leads | screw terminals |
| Supply voltage | 3 x 400V AC |
| Contact actuation delay | 0.1...10s |
| Body dimensions | 17.6x90x64mm |
| Kind of output 1 | SPDT |
| Type of automation module | voltage monitoring relay |