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Siemens SIMOTICS S 1FK7 Servo: 1.6 Nm, ABS Encoder, Brake

Siemens SIMOTICS S 1FK7 Compact servo motor with absolute encoder and brake.

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ManufacturerSiemens

Part number1FK70345AK711LB3

Torque 1.6 Nm

Speed 6000 rpm

Power 0.63 kW

Cooling Natural

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SIMOTICS S synchronous motor 1FK7 Compact series High-resolution absolute encoder DRIVE-CLiQ interface Holding brake Feather key shaft IP64 protection

Product description

The Siemens 1FK70345AK711LB3 is a SIMOTICS S synchronous servo motor from the 1FK7 Compact series. It produces 1.6 Nm of torque at 6000 rpm with a 0.63 kW power output, naturally cooled. This motor features a rotatable 270° power/signal connector plug and an Absolute encoder with 20 bits +12 bits multi-turn (encoder AM20DQ) with Drive-CLiQ interface. A 10% derating applies due to the absolute encoder. It has a shaft with a feather key, tolerance N, a holding brake, and a degree of protection of IP64 with a RAL7016 paint finish.

This servo motor is suited for applications demanding high accuracy, dynamic performance, and the safety of a holding brake. The advanced absolute encoder ensures precise positioning without homing, while the DRIVE-CLiQ interface simplifies integration. Its IP64 rating and RAL7016 finish make it suitable for various industrial environments, including those with aesthetic considerations.

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Technical specifications

Torque	1.6 Nm
Speed	6000 rpm
Power	0.63 kW
Cooling	Natural
Connector	Power/Signal rotatable 270°
Encoder	Absolute Encoder 20BIT +12-bit multi-turn (AM20DQ) with Drive-CLiQ
Shaft	Feather key, Tolerance N
Brake	With holding brake
IP Rating	IP64
Paint	RAL7016
Derating	10% due to encoder

Common applications

Robotics

Machine tools

Automation systems

Packaging machinery

Material handling

High-precision positioning

Compatible systems

Siemens SINAMICS drives Siemens SIMOTION controllers S7 PLC systems

Also known as

Siemens 1FK7 servo with brake encoder SIMOTICS S motor IP64 AM20DQ 1FK7 Compact motor 1FK7034 absolute encoder brake

Replaces / compatible with

This motor is ideal for replacing Siemens 1FK7034 series motors that require both an absolute encoder with DRIVE-CLiQ and a holding brake for enhanced safety and positioning.

Technical note

Expert tip

The 10% derating due to the absolute encoder must be factored in for applications with continuous high-load operation to ensure thermal stability.

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Frequently asked questions

What is the resolution of the absolute encoder on the Siemens 1FK70345AK711LB3?

The Siemens 1FK70345AK711LB3 features a 20-bit absolute encoder with an additional 12-bit multi-turn capability, denoted as AM20DQ. This provides very high positional accuracy and the ability to track movements over extended ranges.