Supply terminals

N,L1,L2,L3

Rated supply voltage

AC 3*220V(N-L1/L2/L3)

Operation voltage range

AC50-400V

Rated frequency

50/60Hz

Umax setting range

230-280V

Umin setting range

160-210V

Auto-reclosing delay(Ton)

1-600s

Return delay to priority phase

5-200s/OFF

Switch delay to reserve phases

＜0.2s

Voltage hysteresis

6V

Voltage accuracy

＜1%

Max operating phase voltage

400V

Transient withstand

450V

Maximum switched current of output contacts

16A

Pollution degree

3

Electrical life

10⁵

Mechanical life

10⁶

Altitude

≤2000m

Ambient temperature

-25℃~+50℃

Permissable relative humidity

≤50% at 40℃（without condensation）

Storage temperature

-25℃~+55℃

Conductor size

0.5mm²~1mm²

Torque

0.5Nm