Magnetic pneumatic box
1. Purpose and main functions
It is suitable for three-phase motor, 50 Hz motor, and DC motor. Starting box has direct starting, star delta starting, autotransformer starting or variable frequency soft starting. There are two types of starting box: wall mounted box type and floor cabinet type, and two protection levels of ip22t and IP44 are optional.
2. Model meaning
3. Circuit diagram code
11: Direct start, irreversible, manual control
12: Direct start, irreversible, manual - automatic control
13: Direct start, irreversible, manual control with remote control
14: Direct start, irreversible, manual automatic control with remote control
21: direct start, reversible, manual control
22: direct start, reversible, manual automatic control
31: Y - △ start, manual control
32: Y - △ start, manual automatic control
41: autotransformer primary start, automatic control
42: autotransformer primary starting, manual automatic control
43: two stage starting of autotransformer, automatic control
44: multi stage starting of autotransformer with step-down resistor, automatic control