Single Knife Edge (SKE) Door with Semi-Automatic Electro-Latch

Series 201 ELatch closed

ETS-Lindgren's Single Knife Edge (SKE) Door with the Semi-Automatic Electro-Latch offers superior knife edge door reliability, performance and longevity

ETS-Lindgren's Single Knife Edge (SKE) Door with Semi-Automatic Electo-Latch offers superior knife edge door reliability, performance and longevity. The SKE Door (S201) features a precision-formed knife edge, a proven Recessed Contact Mechanism (RCM), and an Automatic Latching with Assisted Door Closing to deliver reliable shielding, exceptional performance, and easy maintenance.

The emergency release system consists of two handles located at each side of the door, which when pulled to a horizontal position, can be removed to enable the door to be opened in the event of a power outage.

The Series 201 personnel doors have three precision-machined aluminum hinges. Each is fitted with adjustable thrust bearings that enable the door leaf to be accurately adjusted within the frame and to compensate for varying loads conditions.


The standard SKE Door, when tested in accordance with the procedures of MIL-STD-285, NSA 65-6/NSA 94-106, ITSG-02/IEEE 299 or EN 50147-1, will exhibit shielding attenuation levels of 100 dB at frequencies up to 1 GHz and 100 dB up to 10 GHz.


The Semi-Automatic Series 201 Door can interface with a variety of locks, latches and security systems. Locking hasps and panic release systems may be incorporated, as well as contact mechanisms for emergency power cut-off and fire detection closure systems. The door can also be equipped with a ramp for heavy equipment transportation into the shielded area.


ETS-Lindgren's standard warranties cover parts and labor for 1 year from the date of installation Extended warranties from 1-5 years and maintenance agreements are available.

Key Features
  • RCM (Recessed Contact Mechanism) for RF Shielding
  • Automatic Latching
  • Assisted Door Closing
  • Emergency Release
  • Long life expectancy with minimal maintenance
  • Can be used in interlock installation with additional electro-latch doors
  • Can be upgraded with battery back-up
  • Can be interfaced with security systems
  • State of the art, upgradable logic system
  • Acoustic package option
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