Technical Parameters

Index

Power supply

Power supply voltage

AC/DC220V, AC/DC110V, DC48V ,DC24

Range

Power supply ×（1±20%）

Maximum power consumption

≤15VA

Rated voltage

Rated voltage

AC 100V or 100/ 3 V

Range

0.1～120V

Accuracy

±1%

Power consumption

≤0.5VA （single phase）

Overload capacity

1.4 times rated voltage for continuous work;
2 times for 10 seconds

Rated current
(Protection current)

Rated current

AC 5A/1A

Range

0.04In～20In

Power consumption

≤0.5VA （single phase）

Overload capacity

2 times rated current for continuous work;
40 times for 1 second

Frequency

Rated frequency

50Hz or 60Hz

Range

40～70Hz

Accuracy

±0.1Hz

Digital Input

Rated Voltage

AC/DC220V, AC/DC110V, DC48V ,DC24V

Voltage range

Rated Voltage ×（1±20%）

Power consumption

≤1W（DC220V）

Digital Output

Mechanical life

≥10000

Switching capacity

≥1000W，L/R = 40ms

On current

continuous ≥5A, short time（200ms）≥30A

Interrupting capacity

≥30W，L/R = 40ms

Basic mechanical
design feature

Voltage element

The allowable error of setting value should not be greater than ±3%;
the return coefficient of overpressure should be 0.95, and
the return coefficient of underpressure should be 1.05

Current element

The allowable error of setting value should not be greater than ±3%;
the return coefficient of overcurrent should be 0.95, and
the return coefficient of undercurrent should be 1.05

Frequency element

The allowable error of setting value should not be greater than ±0.02 Hz

Comparison element

Return coefficient is 0.95 or 1.05

Timing element

Delay time within 2 seconds error is ≤40ms,
delay time is more than 2 seconds,
error（≤ 2%） tuning value ±40ms

Arc protection action time

Arc single criterion ≤ 3.8ms
(twice the arc action threshold value, electromagnetic relay output));
Arc current dual criterion ≤ 7.8ms
(twice the arc action threshold value and
twice the current constant value, electromagnetic relay output).

Normal working
conditions

Ambient temperature

-10℃～＋55℃

Device storage temperature

-25℃～＋70℃

Relative humidity

5％～95％ (The product does not condensation and freeze inside)

Altitude

≤2500m

Protection level

IP40 (front panel, left and right side panels,
and upper and lower bottom plates)

Insulating property

Insulation resistance

>100MΩ，500Vdc

Dielectric strength

Between the circuit and the ground, between the independent loop:
power frequency voltage withstand 2kV

Impulse voltage

±5kV(1.2/50μs，0.5J)