Technical Parameter Setting Range
Technical Parameter
Setting Range
Default Parameter
Setting Unit
Function Introduction
Power‑on Delay
1s‑500s
10s
1s
Time required for power restoration after external power cut
Over‑voltage Protection Value
395V‑520V
460V
1V
Protector cuts off power when voltage exceeds set value
Over‑voltage Recovery Value
390V‑515V
455V
1V
Protector auto‑resumes when voltage drops below set value; value must be at least 5V lower than over‑voltage protection value
Over‑voltage Recovery Delay
1s‑500s
30s
1s
Auto‑reset delay after voltage returns to normal
Over‑voltage Action Delay
0.1s‑30s
1.0s
0.1s
Power‑off response time when over‑voltage is detected
Under‑voltage Action Value
240V‑365V
300V
1V
Protector cuts off power when voltage falls below set value
Under‑voltage Recovery Value
240V‑370V
305V
1V
Protector auto‑resumes when voltage rises above set value; value must be at least 5V higher than under‑voltage protection value
Under‑voltage Recovery Delay
1s‑500s
30s
1s
Auto‑reset delay after voltage returns to normal
Under‑voltage Action Delay
0.1s‑30s
1.0s
0.1s
Power‑off response time when under‑voltage is detected
Three‑phase Voltage Error Offset
‑9.5%‑9.5%
0
Correct three‑phase voltage deviation
Three‑phase Voltage Unbalance Protection Value
20V‑99V
40V
1V
Protector cuts off power when three‑phase voltage unbalance exceeds setting
Three‑phase Voltage Unbalance Recovery Value
15V‑94V
35V
1V
Protector auto‑resumes when unbalance drops below setting; value must be at least 5V lower than unbalance protection value
Phase‑sequence Protection Switch
Off / On
On
Enable or disable phase‑sequence protection function
Over‑current Protection Value
1A‑63A
30A
1A
Protector cuts off power when current exceeds set value
Over‑current Recovery Delay
1s‑500s
30s
1s
Auto‑reset delay after current returns to normal
Over‑current Action Delay
0.1s‑30s
1.0s
0.1s
Power‑off response time when over‑current is detected
Three‑phase Current Error Offset
‑9.5%‑9.5%
0
Correct three‑phase current deviation
Consecutive Over‑current Protection Times
0‑20 times
Off
1
Protector locks‑out after exceeding set over‑current times; manual reset required
Phase‑loss Protection
On
Power cut‑off triggered when any phase voltage is missing
