SER Electromagnetic Clutch

SER Electromagnetic Clutch

The SER electromagnetic clutch, is an essential component in applications requiring the transmission of current-controlled motion.

Three types of construction provide flexibility and adaptability to various transmission needs, from simple applications to more complex configurations.

Understanding the operation and construction options available is critical to selecting the right clutch for each application.



What is the SER electromagnetic clutch?


The SER electromagnetic clutch play a crucial role in transmitting motion in a variety of industrial and automotive applications.

Operation of the SER electromagnetic clutch

The SER electromagnetic clutch is a device that operates by the application of an electric current.

Its operation is based on the interaction between an inductor core with a coil and a rotor with friction material, together with an armature assembly comprising an armature disc and a spring-membrane.

When DC voltage is applied to the coil, a magnetic field is generated which attracts the armature to the friction-lined rotor, allowing the transmission of motion.

In the absence of current, the diaphragm spring retracts the armature, disengaging the clutch and stopping the transmission of motion.

SER electromagnetic clutch constructions

The SER electromagnetic clutch offers three different types of construction, each designed to suit different needs and applications.

  • Construction 1.1: The SER clutch design 1.1 is the basic unit. It includes the inductor core with the rotor and bearing, as well as the armature with the spring-membrane. This configuration is mounted directly on a pulley or sprocket, which makes it suitable for simple applications requiring a reliable and compact clutch.
  • Construction 1.2: The 1.2 construction of the SER clutch adds a pulley or sprocket carrier bushing to the basic configuration. This provides greater versatility, as the clutch can be mated to a variety of components, making it easy to adapt to different transmission systems. The diaphragm spring and armature remain essential components for operation.
  • Construction 1.3: The 1.3 construction of the SER electromagnetic clutch introduces an aluminium hub instead of a pulley or pinion hub. This design allows the clutch to be mounted on a different shaft, which further expands the installation options. The inductor core with rotor and bearing remain present, as does the armature with the spring-membrane, ensuring reliable performance.


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Highlights of the SER electromagnetic clutch


  • Single plane monodisk: The SER electromagnetic clutch uses a single-plane mono-disc, which means it has a single friction disc. This configuration ensures efficient operation and precise engagement, which is essential in many industrial and automotive applications.
  • Self-supporting: An important feature of the SER is its self-supporting design. This means that the clutch is capable of supporting loads and working independently, making it ideal for a variety of drive systems.
  • Standard voltage 24 V d.c.: The SER electromagnetic clutch operates with a standardised voltage of 24 volts direct current (24 V DC). This common voltage facilitates its integration into electrical systems and guarantees stable and reliable operation.
  • Compatible with most manufacturers: The SER is known for its compatibility with most manufacturers. This means that it is possible to use this clutch in a wide range of applications without compatibility problems, which simplifies selection and adoption.


The SER electromagnetic clutch can be used for different types of machinery, such as:


We can find the technical sheet or the CAD files through the following downloads:

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