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Siemens 1FK7042-3BK71-1RG0 SIMOTICS S HI Servo Motor

Siemens SIMOTICS S 1FK7-HI Synchronous Motor

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ManufacturerSiemens

Part number1FK7042-3BK71-1RG0

Power 0.94 kW

DC Link Voltage 600 V

Max Speed 6000 rpm

Cooling Naturally cooled

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0.94 kW rated power 6000 rpm maximum speed High-resolution absolute encoder (20-bit + 12-bit) DRIVE-CLiQ interface Smooth shaft Naturally cooled IP64 protection degree

Product description

The Siemens 1FK7042-3BK71-1RG0 is a SIMOTICS S HI synchronous motor designed for high-performance automation. It delivers 0.94 kW of rated power, operates with a 600V DC link voltage, and reaches speeds of up to 6000 rpm. This naturally cooled motor conforms to IMB 5 (IM V1, IM V3) mounting standards and features a Pt1000 temperature sensor, a rotatable power connector, and a high-resolution absolute encoder with a DRIVE-CLiQ interface. It has a smooth shaft.

This motor is well-suited for applications demanding precision and dynamic control, including robotics, advanced manufacturing equipment, and specialized material handling. The smooth shaft design offers flexibility in mechanical coupling, while the absolute encoder ensures accurate position feedback without homing.

Stanlo Automation, a veteran-owned supplier of surplus industrial automation parts, offers the Siemens 1FK7042-3BK71-1RG0. We are committed to providing reliable components and exceptional service to keep your operations running efficiently. Partner with Stanlo Automation for your Siemens motor needs.

Technical specifications

Power	0.94 kW
DC Link Voltage	600 V
Max Speed	6000 rpm
Cooling	Naturally cooled
Mounting	IMB 5 (IM V1, IM V3)
Encoder	Absolute encoder (AM20DQI) 20-bit + 12-bit multi-turn
Interface	DRIVE-CLiQ
Shaft	Smooth shaft
Brake	Without holding brake
Protection	IP64

Common applications

Robotics

Advanced Manufacturing

Precision Systems

Material Handling

Industrial Automation

Automation Equipment

Compatible systems

SINAMICS S120 drive

Also known as

SIMOTICS S synchronous motor 1FK7-HI Siemens 1FK7 High Inertia Motor

Replaces / compatible with

This Siemens 1FK7042-3BK71-1RG0 motor is part of the SIMOTICS S 1FK7-HI series and features a smooth shaft and DRIVE-CLiQ interface. Please verify compatibility with your drive system and mechanical requirements.

Technical note

Expert tip

The smooth shaft on this motor allows for precise concentric coupling, but proper shaft locking mechanisms are essential for secure connections.

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Frequently asked questions

What is the shaft type for the Siemens 1FK7042-3BK71-1RG0 motor?

The Siemens 1FK7042-3BK71-1RG0 motor features a smooth shaft with tolerance N. This design offers flexibility in mechanical coupling compared to a keyed shaft.