An overview of the
JJ1B autoformer decompression starting cabinet series, is fit for ac rated voltage is 380 v, 660 v), frequency of 50-60 hz, the rated power for 11-315 - kw three-phase squirrel-cage motor step-down start. Device has to stop control and overload, open phase short circuit protection function. Device according to the requirements of users to provide computer control and DCS control interface, suitable for not frequent start equipment.
This series product performance in line with the IEC292-4, the relevant provisions of the JB/DQ6187-86. Is the replacement of the XJ01.
The main technical parameters
The rated working voltage: 380 v
The rated insulation voltage: 660 v
The rated working frequency: 50 hz
The rated working current: 22-630 - a
Control motor capacity: 11-315 - kw
Product structure
This product is a cabinet protection structure. By the autotransformer, automatic switch, ac contactor, thermal relay, current, time converter, intermediate relay element composition and so on.
2 this product manual and automatic two kind of way to work, conducted by the switch automatically or manually switch. At the same time remote input terminals, for the remote control.
3 autotransformer with rated voltage up to and 65% (or 60%) 80% of the second tap, factory by 65% (or 60%) on tap, such as user needs can change from 80% of the tap on, can also be in ordering need to pick up the tap position.
