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Siemens 1FT6108-8AC71-7TA0 SIMOTICS S Resolver Motor

Siemens SIMOTICS S 1FT6 Servo Motor with Resolver

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ManufacturerSiemens

Part number1FT6108-8AC71-7TA0

Torque 70 Nm

Speed 2000 rpm

Cooling Natural

Mounting IM B5 (IM V1, IM V3)

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70 Nm Torque 2000 rpm Speed Resolver Feedback Smooth Shaft IP64 Protection Terminal Box Connection

Product description

The Siemens 1FT6108-8AC71-7TA0 is a SIMOTICS S synchronous servo motor designed for robust industrial applications using resolver feedback. It delivers 70 Nm of torque at 2000 rpm and operates with natural cooling. This motor is configured for IM B5 mounting (IM V1, IM V3) and features a terminal box for power and signal connections, oriented axially on the non-drive end (NDE). It utilizes a 2-pole resolver for feedback (P=1), has a smooth shaft with circular runout tolerance N, and *does not* include a holding brake. The vibration severity grade is N, and it is protected by a labyrinth seal, providing an IP64 rating.

This servo motor is well-suited for applications where traditional resolver feedback is preferred or required, such as in older automation systems, certain types of machine tools, and industrial drives where cost-effectiveness and reliability are key. Its IP64 rating ensures protection against dust and water splashes.

Stanlo Automation, a veteran-owned surplus industrial parts distributor, offers the Siemens 1FT6108-8AC71-7TA0. We provide dependable access to surplus industrial automation components, helping you maintain and upgrade your machinery with quality parts.

Technical specifications

Torque	70 Nm
Speed	2000 rpm
Cooling	Natural
Mounting	IM B5 (IM V1, IM V3)
Connection	Terminal Box Axial NDE
Feedback	Resolver (2-pole, P=1)
Shaft	Smooth
Holding Brake	No
Vibration Severity	N
Seal	Labyrinth (IP64)

Common applications

Industrial Drives

Machine Tools

Legacy Automation Systems

Servo Applications Requiring Resolver Feedback

Process Control

Manufacturing Automation

Compatible systems

Compatible with Siemens drives and control systems that support resolver feedback and 1FT6 series motors with terminal box connections.

Also known as

Siemens 1FT6 Resolver Motor SIMOTICS S Resolver Servo 1FT6108 Resolver

Replaces / compatible with

This motor is designed to replace Siemens 1FT6 series motors that use resolver feedback and have an axial terminal box on the non-drive end.

Technical note

Expert tip

The terminal box connection on the non-drive end is advantageous for simplifying wiring in compact or difficult-to-access installations, allowing for more flexible routing.

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Frequently asked questions

What type of feedback does the Siemens 1FT6108-8AC71-7TA0 servo motor use?

The Siemens 1FT6108-8AC71-7TA0 servo motor uses a 2-pole resolver (P=1) for position feedback. Resolvers are known for their ruggedness and ability to operate reliably in harsh industrial environments.