- Product Brief

JJ1 series motor starting cabinet (liquid level control) is designed and manufactured in accordance with the national standard GB7251.1 "low voltage switchgear and control equipment" and conforms to the International Electrotechnical Commission IEC298 "AC metal closed switchgear and control equipment" standard, to meet the DL402, DL404 standards. The series of products can automatically start and stop the pump according to the high and low liquid level by using intelligent liquid level controller, so as to realize the purpose of automatic water supply or water extraction.

Two. Scope of application

This product is suitable for the three-phase squirrel cage induction motor with rated voltage 380V, rated frequency 50Hz, rated current 250A (135KW) and below to do not frequently step-down starting and stopping.

Three. Working conditions

Power supply voltage: 380 + 10%, 50Hz

Applicable motor: three phase squirrel cage asynchronous motor

Medium temperature: - 15 C ~ +40 C

Medium humidity: 90% no frost.

Starting frequency: no more than 12 hours per hour, and the starting interval is longer than 5 minutes.

Place of use: There is no explosive dangerous medium in the room, and there is not enough gas and conductive dust to corrode metal and destroy insulation in the medium. The ventilation is good.