DOLD 0060936: MK9143N.38 +/-5Hz UH AC230V Mains Frequency Monitor
The MK 9143N and MH 9143 mains frequency monitors of the VARIMETER series are used to monitor the frequency of 50 and 60 Hz power supplies for over- and underfrequency. They are used for monitoring self-generating systems and local power supplies, as well as for monitoring generators, power units, etc.
| Attribute | Value |
|---|---|
| Width: | 22,5 mm |
| Enclosure design: | Switch cabinet |
| Type: | MK 9143N |
| 1- / 3-phase: | 1 |
| Output Contacts: | 2 x 1 C/O contacts |
| Measuring range max.: | 50/60 Hz |
| Standard measuring range: | 50/60 Hz |
| Operate Delay: | Yes |
| Auxiliary voltage required: | Yes |
