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FFB “Flexible concept” brake motors

17 March 2016

Emerson Industrial Automation presents its new range of Leroy-Somer FFB brake motors developed around the “Flexible concept”.

Many sectors, including conveying, hoisting and transfer and indexing, require safe and increasingly flexible drive solutions. The brake motor, at the heart of the system, is a key element for reliability and safety, and must meet the most demanding requirements in industry.

This robust “Flexible concept” offers a range of options associated with safety and variable speed as standard, thus making the FFB brake motor ideal for a multitude of applications.

Reliability and robustness

With the latest generation IMfinity induction motor from Emerson, the FFB brake motor is based on a tried and tested design, ensuring it can withstand the most severe stresses encountered in handling applications. 

Its mechanical and electrical design is based on recognised expertise in industry, civil engineering and lifts, making it highly reliable and robust.

Performance and safety

The FFB brake motor can be integrated in most fixed or variable speed applications quickly and easily. Its modular encoder adaptation principle makes it a versatile motor, suitable for the simplest to the most demanding variable speed applications.

The total control of the noise level, for both pick-up and engagement, as well as optimum control of application and release, make the FFB brake motor ideal.

This new range, sized for dynamic braking, is based on failsafe operation. The industrial control of its performance (running-in of all the friction parts as standard) and a wide range of braking function supervision accessories (opening, closing and wear sensor, etc.), significantly increase the safety of the transmission chain.

International use and energy efficiency

The multi-voltage, multi-frequency construction of the FFB brake motor, covering 80 percent of the world’s power supplies, makes it ideal for use in many countries. Just one product reference is all that is needed, in place of the previous four or five.

In order to achieve significant energy savings, FFB brake motors offer various different efficiency levels: non-IE, IE2 and IE3. Ideal for variable speed operation, they comply with requirements for improved energy efficiency in motorised industrial applications.

Express availability

The flexible architecture of the FFB brake motor make it possible to meet customers’ delivery requirements precisely.

A wide variety of products and options, combined with a range of gearboxes and variable speed drives, are available within one, five or ten days.

Main technical characteristics:

- 5 sizes
- Frame sizes: 71 to 160
- Braking torques: 4.5 to 200N.m.
- Multi-voltage 230/380/400/415 and 460V
- Multi-frequency 50 and 60Hz
- DC brake coil: 180V or 20V
- Power supply built into the motor or separate via rectifier supplied in the motor terminal box


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