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Siemens 1FK7 1FK7042-2AK71-1RH0

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1FK7042-2AK71-1RH0

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The 1FK7042-2AK71-1RH0 model from Siemens' 1FK7 series is a synchronous servo motor designed for high-performance tasks. Operating at a speed of 6000 RPM, it features a total of 8 poles and delivers reliable torque output across specified conditions.

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Technical specifications for 1FK7042-2AK71-1RH0

ManufacturerSiemens
Product Line1FK7
Part Number1FK7042-2AK71-1RH0
UPC887621013110
Weight12.00 lbs (5.44 kg)
ProductSynchronous Servo Motor
Speed6000 RPM
Number of Poles8
Rated Torque (100K)1.5 Nm
Rated Current2.5 A
Static Torque (60K)2.5 Nm
Stall Current (60K)3.55 A
Stall Current (100K)4.4 A
Moment of Inertia3.200 kgcm²
Efficiency89%
Rotating Field Inductance8.6 mH
Mechanical Time Constant2.15 ms
CoolingNaturally Cooled
Protection ClassIP64
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The Siemens 1FK7042-2AK71-1RH0 synchronous servo motor, as part of the 1FK7 series, is engineered for precision control applications. It operates efficiently at a maximum speed of 6000 RPM, demonstrating its suitability for dynamic tasks. This motor has 8 poles, contributing to its operational characteristics. Rated torque is measured at 1.5 Nm while running at a current of 2.5 A.

When examining its static capabilities, it achieves a torque of 2.5 Nm. For current capacity, the stall current reaches 3.55 A at 60K and 4.4 A at 100K, indicating robust performance under stress conditions. The moment of inertia stands at 3.200 kgcm², ensuring that the motor has a responsive behavior. This unit operates with an impressive efficiency of 89%, showcasing its energy-saving design.

The motor's rotating field inductance is recorded at 8.6 mH, which helps define its electrical characteristics. Additionally, it features a mechanical time constant of 2.15 ms, contributing to its quick response time. Weighing in at 5.3 kg, this naturally cooled servo motor offers durability with an IP64 protection class, providing resistance against dust and water ingress, making it suitable for various operational environments.