◇ Built-in switching power supply
◇ Built-in circuit breaker closing detection
◇ Built-in phase sequence protector
◇ Phase sequence detection positive sequence, reverse sequence, off optional
◇ Current sampling 0.1A~999A
◇ Increase frequency, three-phase voltage, current cycle display
◇ Programmable input and output terminals
◇ Increase overload alarm without stopping function
◇ 485 Communication function
◇ Standby pump failure stop
◇ Strong start linkage alarm can be set
◇ Water shortage protection stop
◇ Lower pressure audible alarm can be set
Fire pump automatic inspection control equipment
Power supply: AC220V 50/60Hz
Rated power: 0.75 ~ 500kW
Rated current: 0.1 ~ 999A
Display mode: LED digital tube, indicator light, Chinese characters
Display accuracy: 0.1/1A
Working mode: 4 pump inspection (AK400-S4XJ), 6 pump inspection (AK400-S6XJ)
Protection function: power supply overvoltage, undervoltage, phase break, wrong phase, motor phase break, blocked rotation, overload, undervoltage
Load, three-phase imbalance, inverter failure, contactor failure, fire pool water shortage
Fault indication: Chinese display, sound and light alarm
Load type: water pump
Contact capacity: 250VAC 5A/10A (resistance)
Size: 290×210×56mm
Opening size: 272×192mm
Installation mode: panel type
Operating temperature: -10℃ ~ 45℃
Ambient humidity: 10 ~ 90%RH (non-condensing)
product feature
◇ Built-in switching power supply
◇ Add fault silencing function
◇ Built-in phase sequence protector
◇ Phase sequence detection positive sequence, reverse sequence, off optional
◇ Current sampling 0.1A~999A
◇ Add fault reset button
◇ Increase frequency display
◇ Three-phase current and voltage cycle display
◇ Inspection record, fault record query
