3 Position Slimline Autodoor Keyswitch | Ext/Ap/Ks-3

The EXT/AP/KS-3 is a stainless steel architrave-mounted keyswitch designed for controlling automatic doors and access control systems. Featuring three maintained operating positions – HOLD OPEN, OFF, and AUTO – the unit allows authorised personnel to select the appropriate door operating mode while preventing unauthorised adjustments.

Manufactured with a durable stainless steel faceplate and aluminium extrusion housing, the EXT/AP/KS-3 is suitable for both surface and flush mounting installations. Its compact design and IP54-rated protection make it ideal for commercial, healthcare, and public sector environments.

Key Features

• Three-position maintained keyswitch
• HOLD OPEN / OFF / AUTO operating modes
• Compact architrave design
• Stainless steel faceplate
• Durable aluminium extrusion housing
• Latching operation
• Voltage-free switching contacts
• Security fixing screws included
• Easy-clean surface
• Functional and professional design
• Suitable for secure override and door mode selection
• Surface or flush mounting options
• IP54-rated protection

Technical Specifications

• Product Type: Architrave Keyswitch
• Operation: Latching (Maintained)
• Switch Positions:
  • HOLD OPEN
  • OFF
  • AUTO
• Contact Type: Voltage-Free
• Supply Voltage: 12–24VDC
• Protection Rating: IP54
• Keys Supplied: 2 x 606 Keys
• Faceplate Material: Stainless Steel
• Housing Material: Aluminium Extrusion
• Mounting Options: Surface or Flush Mount
• Security Fixings: Allen Key Security Screws
• Legend: Etched HOLD OPEN / OFF / AUTO
• Flush Mount Compatible: Yes

Typical Applications

• Automatic door systems
• Access control systems
• Door mode selection
• Healthcare facilities
• Commercial buildings
• Public buildings
• Reception areas
• Controlled access entrances