Magnetic starter PAE-323
PAE-323 magnetic reversible starter, without thermal relay, dust and moisture protected, (in a metal case). Protection degree IP40. The starters are designed to operate in continuous and intermittent modes with a frequency of 600 starts per hour with a duty cycle of 40% duty cycle. The PAE-323 starter is designed for remote starting, stopping and reversing (changing the direction of rotation) of three-phase asynchronous electric motors with a squirrel-cage rotor operating in moderate climates at voltages up to 500 V, frequency 50 and 60 Hz, ambient temperature from -40 to +40 0C. The reverse of the engine with the help of the PAE-323 starter is carried out as a result of changing the phase sequence of the wires of the electrical network connected to the main contacts of the two starters from which the PAE-323 reversing starter is assembled. The control circuit must ensure the alternate switching on of the starters and completely exclude their simultaneous activation. After disconnecting one of the starters used to implement the reverse circuit, the time delay necessary for the complete disconnection of the controlled motor and its complete stop must be provided. Switching in the other direction (reverse) is allowed only after the engine has stopped completely. Failure to observe this rule can lead to an emergency mode of "opposition" of the motor and a multiple increase in mechanical loads on the motor shaft, and possibly to destruction of the bearing. Also, in this case, a significant increase in electric currents in the motor windings and the occurrence of additional electrodynamic forces and shocks is possible. On the contact system of the PAE-323 starter, such an emergency transient mode also affects negatively due to increased sparking when opening and closing contacts and an increase in the arc burning time. PAE-323 technical characteristics Rated current - 40 A Current frequency - 50Hz Starter type - reversible, dust and moisture-proof, closed Availability of thermal protection - no protection against overloads Protection degree PAE-323 - IP40 Climatic version - UHL4 Ambient temperature range from -40 to + 40 0С Warranty period - 1 year Maximum power of the connected motor - 17 kW Power supply of the control coil - 110V; 127B; 220V; 380V Altitude above sea level no more than - 2000 m The maximum power of the controlled electric motor at a rated current of the main circuit of the starter (maximum operating current of the starter of the controlled electric motor) 40A, at a voltage of 220V is 10 kW, and at a voltage of 380V - 17 kW.
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