Supply terminals

N,L1，L2，L3

Rated supply voltage

AC3*220V（N-L1/L2/L3）

Rated frequency

40/50/60/70Hz

Umax setting range

230-300V

Umin setting range

140-210V

Auto-reclosing delay（Ton）

1-600s

Return delay to priority phase

1-600s

Switch delay to reserve phases

<0.2s

Voltage hysteresis

5V

Overvoltage trip delay

0.1s；≥350V：0.02s

Undervoltage trip delay

0.1s；≥350V：0.02s

Voltage accuracy

<1%

Max. operating phase voltage

350V

Rated operating current

63A

Max. operating current

80A

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