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Siemens 1FK7044-7AF71-1TH0 SIMOTICS S Servo Motor with Brake

Siemens SIMOTICS S 1FK7 Servo Motor with Resolver and Brake

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ManufacturerSiemens

Part number1FK7044-7AF71-1TH0

Manufacturer Siemens

Part Number 1FK7044-7AF71-1TH0

Series SIMOTICS S 1FK7

Type Synchronous Servo Motor

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High Dynamic Performance 4.0 Nm Torque 1.1 kW Power Resolver Feedback Holding Brake IP64 Protection

Product description

The Siemens SIMOTICS S synchronous servo motor 1FK7044-7AF71-1TH0 is a high-dynamic motor delivering 4.0 Nm of torque at 3000 rpm, with a 1.1 kW power output. It is naturally cooled and features an IM B5 mounting. This motor is equipped with a 2-pole resolver (Resolver P=1) for position feedback and includes a holding brake for maintaining position when power is off. It has a plain shaft with tolerance N and an IP64 degree of protection.

This servo motor is ideal for applications requiring both dynamic performance and the ability to hold position, such as vertical axes, automation tasks with intermittent operation, and robotics. Industries benefiting from this configuration include machine building, automation, and specialized equipment manufacturing.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 1FK7044-7AF71-1TH0. We provide reliable, cost-effective solutions, ensuring you get the quality parts you need to maintain your equipment.

Technical specifications

Manufacturer	Siemens
Part Number	1FK7044-7AF71-1TH0
Series	SIMOTICS S 1FK7
Type	Synchronous Servo Motor
Torque	4.0 Nm
Speed	3000 rpm
Power	1.1 kW
Cooling	Naturally cooled
Mounting	IM B5
Encoder	Resolver 2-Pole (P=1)
Shaft	Plain Shaft, Tolerance N
Brake	With Holding Brake
IP Rating	IP64

Common applications

Robotics

Automation Systems

Vertical Axis Applications

Machine Tools

Positioning Systems

Intermittent Operation

Compatible systems

Siemens SINAMICS Drives (with resolver input) Siemens SIMOTION Controllers S7 PLCs (with resolver interface modules)

Also known as

Siemens 1FK7 Resolver Servo with Brake SIMOTICS S Motor 4Nm Brake 1FK7044 Resolver Brake Motor

Replaces / compatible with

This motor is a specific configuration within the Siemens SIMOTICS S 1FK7 series, featuring resolver feedback and a holding brake. Consult Siemens documentation for compatible drives and systems.

Technical note

Expert tip

The combination of resolver feedback and a holding brake makes this motor suitable for safety-critical positioning tasks where reliable stopping and holding are paramount.

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Frequently asked questions

What is the advantage of the holding brake on the Siemens 1FK7044-7AF71-1TH0 servo motor?

The holding brake on the 1FK7044-7AF71-1TH0 provides a safe and reliable way to maintain the motor's position when it is de-energized. This is critical for applications where gravity could cause movement, such as vertical axes, or for ensuring precise stops at designated points.