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Siemens SIRIUS 3RK1303-6DS74-3AA3

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3RK1303-6DS74-3AA3

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The SIRIUS series motor starter by Siemens, model number 3RK1303-6DS74-3AA3, is engineered for reliable control in three-phase applications. This unit features electronic and thermal overload protection and can handle power ratings up to 5.5 kW.

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Ships from Raleigh, NC
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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for 3RK1303-6DS74-3AA3

ManufacturerSiemens
Product TypeMotor Starter
Product LineSIRIUS
Part Number3RK1303-6DS74-3AA3
EAN4011209609303
Weight1.81 lbs (0.82 kg)
Overload ProtectionElectronic/Thermal
Number of Phases3
Power Rating5.5 kW
Voltage Rating400 V
Minimum Current Rating2.4 A
Maximum Current Rating14 A
Maximum Ambient Temperature40 degrees Celsius
Minimum Ambient Temperature0 degrees Celsius
Maximum Operating Humidity80% (non-condensing)
Maximum Storage Humidity80% (non-condensing)
Maximum Operating Altitude1000 meters above sea level
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The Siemens 3RK1303-6DS74-3AA3, part of the SIRIUS series, represents a robust solution for motor control. With a power rating of 5.5 kW, this motor starter is capable of handling three-phase systems effectively. It incorporates both electronic and thermal overload protection, enhancing the safety and reliability during operation.

Designed to operate at a voltage rating of 400 V, the unit accommodates a current ranging from a minimum of 2.4 A to a maximum of 14 A. Its weight is approximately 2.221 kg.

Environmental resilience is built into this motor starter, which can function optimally in ambient temperatures reaching up to 40 degrees Celsius and as low as 0 degrees Celsius. Maximum humidity conditions of 80% (non-condensing) are permissible during operation, making it suitable for a variety of settings. For storage, similar humidity levels apply. Furthermore, the device is rated for effective operation at altitudes of up to 1000 meters above sea level.