Voltage: AC380/440V
Frequency: 50Hz / 60Hz
Protection level: IP22
Starting method: auto transformer (自藕降压起动)
Limit starting currency: ≤1.3 times bigger motor’s rated output.
QDJ series motor self-lotus lowering voltage starter control box is used for self-linked voltage reduction starting control of three-phase asynchronous motors of various types of ship equipment. By setting and selecting different transformer taps, the motor starting current can be effectively controlled within 1.3 times the rated current, thus reducing the impact on the equipment power supply, and at the same time having protection functions such as short circuit, phase loss, overload and voltage loss. The control box can be set with an off-site control function and can be used for the control of the ship tunnel thruster motor by adding some control, alarm, signal control and other functions.
Voltage: AC380/440V
Frequency: 50Hz / 60Hz
Protection level: IP22
Starting method: autotransformer (自藕降压起动)
Limit starting currency: ≤1.3 times bigger motor’s rated output.
Ambient temperature: -25℃- 45℃
Tilt, sway: ±22.5 degrees
Shock: Presence
Vibration: Presence
Salt spray: Present
Oil mist: Present
Mold and sea humidity air: Yes
Box protection grade IP22, can also be made into IP44 or IP56 according to user requirements.
No flammable, explosive, corrosive gases and no foreign electric dust and thunderstorm invasion of the place.
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