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Siemens 1FK7 1FK7042-5AF71-1KH5

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1FK7042-5AF71-1KH5

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The 1FK7042-5AF71-1KH5 from Siemens belongs to the 1FK7 series and is classified as a synchronous servomotor. This model operates effectively with a rated voltage of 228 V and is designed to handle a rated current of 2.8 A, offering a robust performance across various applications.

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Technical specifications for 1FK7042-5AF71-1KH5

ManufacturerSiemens
Product TypeSynchronous Servomotor
Product Line1FK7
Part Number1FK7042-5AF71-1KH5
UPC662643365399
Weight12.00 lbs (5.44 kg)
Power/Signal ConnectorsRotatable by 270°
Encoder TypeResolver 2-pole (Resolver P=1)
Shaft TypePlain Shaft, Tolerance N
BrakeWithout Holding Brake
Rated Current2.8 A
Number of Phases3
Number of Poles6
Rated Speed3000-6200 rpm
Rated Torque2.6-3.2 Nm
Rated Voltage228 V
Cooling MethodNatural Air Cooling
Degree of ProtectionIP64
Mounting TypeIM B5 (V1, V3)
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The Siemens 1FK7042-5AF71-1KH5 model is part of the 1FK7 series and designated as a synchronous servomotor. Characterized by an operational voltage of 228 V, it requires a rated current of 2.8 A to function efficiently. This motor supports a variety of applications with its number of phases being three and its configuration including six poles.

It boasts an encoder type that utilizes a resolver, specifically the 2-pole version (Resolver P=1), to ensure accurate feedback on position and speed. The motor can rotate at speeds ranging from 3000 to 6200 RPM, while delivering a rated torque varying from 2.6 to 3.2 Nm, suitable for a wide range of drive systems.

Designed for practical use, the power and signal connectors can rotate by 270 degrees, allowing for adaptable installation in different setups. The cooling method for the motor is natural air cooling, which maintains operational efficiency without requiring additional cooling systems. With an IP64 ingress protection rating, it is well-suited for environments where dust and moisture may be present.

The 1FK7042-5AF71-1KH5 motor weighs 4.90 kg and mounts in configurations using IM B5 (V1, V3), making it versatile for integration into various mechanical assemblies. Notably, this unit does not include a holding brake, simplifying its mechanical structure and improving its performance for specific applications.