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Siemens 1FK7 1FK7042-5AF71-1SA3

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1FK7042-5AF71-1SA3

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The 1FK7042-5AF71-1SA3 is a compact synchronous servo motor from Siemens' 1FK7 series, delivering 3 Nm of torque at a rated speed of 3000 rpm. It outputs a power of 0.82 kW, equivalent to 1.1 HP, and utilizes natural cooling for optimal performance. With an IP64 degree of protection, this unit is suited for various operational environments.

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Technical specifications for 1FK7042-5AF71-1SA3

ManufacturerSiemens
Product Line1FK7
Part Number1FK7042-5AF71-1SA3
UPC040892675450
Weight10.00 lbs (4.54 kg)
ModuleSynchronous Servo Motor
BuildCompact
Torque3 Nm
K-Factor100K
Rated Speed3000 rpm
Power Output0.82 kW (1.1 HP)
Cooling MethodNaturally Cooled
Shaft EndIM B5
Connector Plug Max. Rotation270°
ResolverMulti-pole (p=4)
Shaft KeyYes
Tolerance ClassN
Holding BrakeNo
Degree of ProtectionIP64
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Siemens' 1FK7042-5AF71-1SA3 motor is a synchronous servo module designed for reliable performance in compact spaces. This motor provides a maximum torque of 3 Nm at a rated speed of 3000 rpm. Its power output is rated at 0.82 kW, translating to approximately 1.1 HP, making it suitable for demanding applications.

The motor features a naturally cooled construction, enhancing its efficiency during operation. The IM B5 shaft end configuration provides flexibility for mounting and integration into systems. It is equipped with a connector plug that allows for a 270° rotation, facilitating straightforward installation.

Position feedback is managed through a multi-pole resolver with four poles (p=4), ensuring accurate motion control. While a shaft key is provided for secure attachment, the motor does not include a holding brake. The device's protection class is IP64, granting it adequate resistance against dust and water ingress, allowing it to function effectively in less-than-ideal environmental conditions. Rated within tolerance class N, this motor is ideal for various precision-driven applications.