| Brand | DOLD |
|---|---|
| Housing width | 22.5 mm |
| Output contacts | 2 C/O contacts |
| Enclosure design | Switch cabinet |
| Phases | 3 |
| Order number | 0055711 |
DOLD MK 9040N – Asymmetry Relay
- Brand
- DOLD
- Part number
- MK 9040N
- Order number
- 0055711
Asymmetry Relay
- Correct direction of rotation of drives
- Simple wiring
Price and lead time on request — add this part to your quote list and we will reply with pricing and availability.
The MK 9040N asymmetry relay of the VARIMETER series monitors asymmetry, reverse voltages, phase failure as well as incorrect phase sequence in three-phase networks. Early detection of impending failures and preventive maintenance prevent costly damage and as a user you benefit from the operational reliability and high availability of your system.
Features
- According to IEC/EN 60255-1
- Recognition of- Voltage asymmetry- Phase failure- Voltage feedback- Optionally with phase sequence recognition
- Optionally with adjustable response delay
- 2 LED displays for power supply and state of contact
- Wire connection: Also 2 x 1.5 mm2 stranded ferruled, or 2 x 2.5 mm2 solid DIN 46228-1/-2/-3/-4
- As option with pluggable terminal blocks for easy exchange of devices- With screw terminals- Or with cage clamp terminals
- Width 22.5 mm
Technical specifications
| 1- / 3-phase | 3 |
|---|---|
| Enclosure design | Switch cabinet |
| Measuring range max. | 3 AC 400 V |
| Operate delay | Yes |
| Output contacts | 2 C/O contacts |
| Standard measuring range | 3 AC 400 V |
| Width | 22,5 mm |
| Type | MK 9040N |
Available variants
| Contact equipping | 2 changeover contacts |
|---|---|
| Nominal voltage | 3AC 230 V 50/60 Hz · 3AC 400 V 50/60 Hz |
| Terminal type | pluggable terminal blocks with cage clamp terminals · pluggable terminal blocks with screw terminals · screw terminals fixed |
| Time delay | 0,5 – 10 s · 1 – 10 s · without |
| Approvals and Markings | UKCA |
| Variant | Without phase sequence detection. With adjustable time delay · Without phase sequence detection. Without time delay · With phase sequence detection. With adjustable time delay · With phase sequence detection. With adjustable time delay. The time delay takes effect when the unit status changes from bad to good · With phase sequence detection. Without time delay |
Tell us the variant you need in your quote request.







