Universal automatic electronic phase switch PEF-301

Model: 026.004.130
Universal automatic electronic phase switch PEF-301
Country of origin: Россия
PEF-301 universal automatic electronic phase switch is designed to supply industrial and household appliance single-phase 220V/50Hz loads from three-phase four-wire mains 3x380+N with the purpose of maintaining uninterrupted power supply of essential single-phase loads and protect them against unallowable voltage variations in the mains.
$41.12
 pcs

Depending on voltage presence and voltage quality on phases, the PEF-301 will automatically select the optimal phase and promptly switch the single phase load supply of any wattage to this phase:

•  loads of wattage up to 3 kW (up to 16A) get power supply directly from PEF-301;
•  When wattage exceeds 3 kW (16A), PEF-301 phase switch will control the magnetic starters (MS) coils of corresponding wattage (MS can be supplied optionally).

Technical Specifications

Nominal Phase Voltage, V220
Power frequency, Hz45 - 55
Trip threshold for Umin, V160 - 210
Trip threshold for Umax, V230 - 280
Adjustable reset delay, Ton, s1 - 600
Return delay range to the priority phase, Tr, (5—200), spresent
Return delay range to the priority phase, Tr, (200 -- ∞), sabsent
Fixed switch (de-energization) delay for Umin, s12
Switch delay to reserve phases, s, not more than0.2
Voltage hysteresis, V5-7
Accuracy, V±3
Maximum switched current of output contacts, А, no less than16
Operating phase voltage, V400
Transient withstand, V450
Power consumption (under load), V, not more than1.0
Life of output contacts:
• under load 16 A , operations, no less than
• under load 5 A , operations, not more than

100 000
1 mln.
Protection degree:
• apparatus
• terminal block

IP40
IP20
Operating temperature, °Cfrom -35 to +55
Storage temperature, °Cfrom -45 to +70
Weight, no more than, kg0.2
Case dimension, mm90 х 70 х 65
Mounting35 mm DIN-rail
Mounting positionarbitrary

Dimensions

Dimensions universal automatic electronic phase switch PEF-301

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