| Mass | 0,4 kg |
|---|---|
| Brand | Novatek |
| Dimensions, mm | 9 DIN (162 mm) |
| Number of controlled three-phase inputs | 2 |
| Rated operating voltage, V | 230/400 AC |
| Maximum load current, A | 5 A / determined by a contactor |
| Maximum load power, kW | Determined by a contactor |
| Additional features | Operation with magnetic starter (contactor), Voltage protection, Modbus protocol support |
| Types of protection | Phase failure , Phase symmetry , Phase alternation , Phase sticking , Monitoring of external magnetic starter contacts, Maximum/Minimum voltage |
| Operating method | Buttons |
| Indication | Yes, Digital display |
Available delivery methods: Pickup from the store, Nova Poshta. 
Payment methods: Bank transfer, Cash on delivery. PEF-321АВР is designed for:
321АВР manages the automatic transfer from the primary three-phase power source to the backup source and back, in cases of unacceptable voltage deviations in the phases, asymmetry or phase imbalance, phase sequence changes, or the loss of one or more phases in either the "primary" or "backup" networks.
The device can be used in power supply systems as part of:
