Description

Features

Set current and voltage protection in one;

It is used in conjunction with circuit breakers with tripping function; the protected line is simple and reliable, and the line detection is convenient; high precision and low temperature drift;

It is used in the protection of household charging equipment and household power distribution equipment.

Function

Protection function: over-current, over-voltage, under-voltage, neutral line live protection; lack of ground wire, phase zero error indicator light alarm; normal state, lack of phase line, lack of zero line indicator light indication;

Action time: overcurrent is greater than 25%, overvoltage, undervoltage, neutral line live protection, in order to prevent malfunction caused by voltage and current fluctuations, the action time of the protector is less than 3 seconds; the overcurrent is less than 25%, the action time of the protector is less than 5 seconds (you can choose the length of time according to the size of the load);

Recovery delay: the protector will work after a delay of 3 minutes after the action, and reset after shutdown (depending on the control circuit, there may be no recovery delay process);

Under-voltage hysteresis voltage protection function: under-voltage protection hysteresis voltage of 2 ± 1VAC to prevent voltage reverberation during under-voltage protection; Contact form: one set of normally open + one set of dynamic closing and normally open;

◆Voltage setting accuracy: <0.5% (set value × 0.5%); temperature drift: <0.05V/C (reference temperature 25℃).