Main features

·Computer main board & module for industrial & civil pump

·Auto/manual switch

·LCD displays pump running information

·Under voltage protection

·Over voltage protection

·Push button calibration

·Dry running protection without installing float switch or liquid probe in the well

Technical data

·Action time of short circuit＜0.1sec

·Action time of over current: 5 sec

·Recovery time of over current: 30 min

·Action time of dry-running protection: 6 sec

·Recovery time of dry-running: 30 min

·Double liquid level transfer distance:＞ 1000m

·Action time of open phase: <2 sec (only three phase)

·Set voltage of under voltage: 323V (only three phase)

A2

Main specifications

·Rated input voltage: AC220V-240V, single phase

·Rated frequency: 50Hz/60Hz

·Rated output power of pump motor: 0.37-2.2kW(0.5HP-3HP)

A6/C3

Main specifications

Rated input voltage: AC380V,three phase

Rated frequency: 50Hz/60Hz

Rated output power of pump motor:

A6: 0.75-7.5kW(1HP-10HP),

C3: 0.75-15kW(1HP-20HP)