Ertain 4

With high-quality finishes, it adapts easily to different installation needs and is the sliding door operator recommended for most facilities.


  • For heavy traffic situations.
  • Ultraquiet opening and closing.
  • Adaptable to all types of profiles.
More information
ERREKA´s Ertain 4 product Image

Ertain operator for glass doors

Dynamic stability. The ERTAIN sliding door is designed for heavy traffic in both large facilities (supermarkets, hotels, airports, hospitals, etc.) and also small- and medium-sized businesses (offices, pharmacies, restaurants, sales points, etc.).

The most outstanding features are its ultraquiet opening and closing movement, its dynamic stability, and its straightforward, quick installation.

Technical characteristics

  • Quick, easy assembly of the operator on the box profile thanks to a special nut system.
  • Adaptable to all types of profiles up to 50 mm wide.
  • Highly robust trolleys made up of three nylon wheels guided between rails, thus ensuring safety and preventing any derailment.
  • Very straightforward maintenance thanks to the simplicity of the mechanism.
  • Option to connect to PC for centralised door control or for programming.
  • Battery-powered anti-panic system in the event of power failure.
  • Motor power control system with automatic reversal for user safety.


Technical manual

  • User manual ERTAIN
  • Installation manual ERTAIN

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