The suitable operator

For swing gates with large posts

New SOMMER twist AM is particularly suitable for yard gates with the extra large posts (up to approx. 60 x 60 cm) found predominantly in France and southern Europe. For swing gates with a maximum leaf width of 2.5 m and a maximum leaf weight of 250 kg.
Sommer twist AM swing gate operator

Safe and flexible:

  • Restriction of closing forces acc. to EN 12453 by electronic motor monitoring

  • 1- and 2-leaf operation possible

  • State-of-the-art bidirectional SOMloq2 radio technology offers additional security
    FM 868.95 MHz

  • Further settings available with SOMlink

  • Quick emergency release even with full load in the event of power failure

  • Battery pack for power failures (optional)

  • Environmentally friendly and cost-effective (uses <0.5 watt in standby mode)

Everything you need

SOMMER twist AM for 1-leaf or 2-leaf swing gates is a ready-for-use set which includes a handheld transmitter, a photo eye and a warning light. Easy installation of optional modules. Inexpensive upgrades. Modular system.
Sommer twist AM swing gate operator

An operator like no other.


SOMMER twist AM can be used for one-leaf or two-leaf operation. The control unit and transformer are integrated in the operator (master) – making it both compact and quiet. The high-quality DC gear motor with hall sensor ensures low wear and a long useful life. The bidirectional SOMloq2 radio system is convenient with secure encryption.

Intelligent control technology

  • Automated learning process

    Quick programming of end positions and operating forces with few reference drives
  • Various response patterns

    for photo eyes indoors/outdoors
  • Automatic closing function

    60 s SOT, reduced to 5 s after detection by photo eye
  • Possible to program basic settings

    using an 8 DIP switch
  • Automatic repetition of command

  • Transmitter confirms receipt (vibration)

  • 40 memory positions

    Possible expansion to 450 memory positions using optional “Memo” module
  • Gear-saving soft start/stop

    without loss of thrust, thanks to electronic motor monitoring
  • Wide range of connections and functions

    Can be used without any additional programming tool
  • SOMlink Service-Interface

    Service info and versatile setting options
  • Four radio channels with assigned functions

    CH 1 = Pulse
    CH 2 = Only active leaf
    CH 3 = Defined OPEN
    CH 4 = Defined CLOSE
  • Secure radio frequency

    Rolling code with 128 Bit AES encryption
  • Coded, copy-protected product software

  • Bidirectional SOMloq2 radio system

    Radio signals are transmitted in both directions. The handheld transmitter receives feedback that the radio command has been received or of the gate position
  • CE label


You can find all technical details as a PDF download

Plug and Play

The modular system structure makes it possible to expand the SOMMER twist AM with accessories. All accessories are easy to install since sockets are colour-coded and exactly labelled.


Used to expand the memory to 450 handheld transmitter commands. During service, saved data can be easily adopted for a new operator.

SOMMER battery pack

Battery pack

In the event of a power failure, the battery pack supplies energy to the gate operator for up to 12 hours with a maximum of 10 gate cycles (OPEN/CLOSE). The battery pack is automatically recharged during normal operation.

Sommer worldwide

Long-standing experience (since 1980)

Made in Germany.

Made in Germany

SOMMER and our subsidiaries and partners worldwide offer you everything from a single source. Our hardware and software is developed completely in-house and is renowned for the outstanding quality and innovative technology “Made in Germany”.

You can find more information on the company at


Do you have any questions or need more information? Contact us!

SOMMER Antriebs- und Funktechnik GmbH

Hans-Böckler-Straße 27
73230 Kirchheim/Teck

Tel.: 07021/8001-0
Fax: 07021/8001-100