The invisible operator

Ideal for swing gates where a sleek design is essential

SOMMER’s swing gate operator twist UG is mounted flush with the ground and is suitable for gates with a maximum leaf width of 3.5 m and a maximum leaf weight of 350 kg.
* For leaf widths from 3 m and gate weights of 300 kg or more, active safety contact strips must be used.
Sommer twist UG 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 (FM 868.95 MHz) offers additional security

  • Further settings available with SOMlink

  • Can be unlocked in any position

  • Battery pack for power failures (optional)

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

Everything you need

SOMMER twist UG for 1-leaf or 2-leaf swing gates is a ready-for-use set which includes a control unit, a handheld transmitter and the required connection cables. Easy installation of optional modules. Inexpensive upgrades. Modular system.
Sommer twist UG swing gate operator

An operator like no other.


SOMMER twist UG can be used for one-leaf operation with either swing direction, or for two-leaf operation. The high-quality DC gear motor in an aluminium housing 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
  • SOMlink Serviceinterface

    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 UG 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