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Siemens 1FT7108-5SF70-3CB0 SIMOTICS S Synchronous Motor with Brake

Siemens SIMOTICS S 1FT7 Synchronous Motor with Brake & Recessed Flange

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ManufacturerSiemens

Part number1FT7108-5SF70-3CB0

M0 91Nm (100K)

NN 3000rpm

PN 18.80kW

Cooling Forced ventilation

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SIMOTICS S Synchronous Motor Holding brake included Multiturn absolute encoder with Drive-CLiQ Compact recessed flange Forced ventilation IP64 protection

Product description

The Siemens 1FT7108-5SF70-3CB0 is a high-performance SIMOTICS S synchronous motor from the 1FT7 series. It delivers a nominal torque of 91 Nm (100K) at a nominal speed of 3000 rpm, with a rated power of 18.80 kW. This motor features forced ventilation, frame size IMB 5 (IM V1, IM V3), and a compact, recessed flange. It includes a power connector with an outgoing connector in the axial non-drive end direction. The motor is equipped with a 24-bit + 12-bit multiturn absolute encoder (AM24DQI) via Drive-CLiQ interface. Notably, it has a shaft with a fitted key and includes a holding brake. It meets accuracy tolerance N, vibration severity grade A, and offers IP64 protection.

This model is ideal for applications demanding precise positioning, high speeds, and the safety of an integrated holding brake, especially where space is limited due to its recessed flange. It's suitable for advanced automation, robotics, and machine tools requiring reliable stopping and holding capabilities.

Stanlo Automation, a veteran-owned business specializing in surplus industrial automation parts, offers the Siemens 1FT7108-5SF70-3CB0. Rely on us for quality and value in your automation component sourcing.

Technical specifications

M0	91Nm (100K)
NN	3000rpm
PN	18.80kW
Cooling	Forced ventilation
Frame Size	IMB 5 (IM V1, IM V3)
Flange	Recessed (more compact)
Connector Direction	Axial non-drive end
Encoder	AM24DQI Absolute (Multiturn, 24+12 Bit, Drive-CLiQ)
Shaft	With fitted key
Holding Brake	Yes
Tolerance	N
Vibration Severity	A
IP Rating	IP64

Common applications

Robotics with holding requirements

Advanced machine tools

High-speed automation

Packaging machinery

Automated assembly lines

Vertical axis applications

Compatible systems

Siemens SINAMICS Drives Siemens SIMODRIVE Systems Systems requiring holding brake and compact design

Also known as

Siemens SIMOTICS S Motor with Brake 1FT7 Servo Motor with Brake Siemens Synchronous Drive Motor Compact flange motor with brake

Replaces / compatible with

This motor with a recessed flange and holding brake is suitable for compact applications requiring safe positioning and holding. It's a direct replacement for compatible Siemens 1FT7 series motors with these features.

Technical note

Expert tip

The 'Axial non-drive end' connector orientation should be carefully considered for cable routing and accessibility within the machine's design.

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Frequently asked questions

What is the purpose of the holding brake in the Siemens 1FT7108-5SF70-3CB0 motor?

The holding brake in the Siemens 1FT7108-5SF70-3CB0 provides a fail-safe mechanism to hold the motor shaft stationary when power is removed. This is critical for maintaining position, preventing unwanted movement, and ensuring safety in vertical applications or during power outages.