4 Position Jamb Keyswitch | Jmb/Ks-4

The JMB/KS-4 is a versatile four-position latching keyswitch designed for access control and automatic door applications requiring multiple operating modes. Featuring clearly marked OFF, 2 WAY, 1 WAY, and HOLD OPEN positions, the unit provides authorised users with secure control over door operation and system functionality.

Manufactured with a durable stainless steel faceplate and supplied with a high-impact plastic back box, the JMB/KS-4 is suitable for both surface and flush mounting installations. Its robust construction, easy operation, and secure key control make it ideal for commercial, healthcare, and public environments.

Key Features

• Four-position latching keyswitch
• OFF, 2 WAY, 1 WAY, and HOLD OPEN operating positions
• Stainless steel faceplate
• Suitable for surface or flush mounting
• Voltage-free switching contacts
• Easy-to-read etched legend
• Supplied with high-impact plastic back box
• Security fixing screws included
• Suitable for access control and automatic door systems
• Easy-clean surface
• Functional and user-friendly design
• Ideal for secure override applications
• Compatible with standard flush and surface back boxes
• IP54-rated protection

Technical Specifications

• Product Type: Four Position Keyswitch
• Operation: Latching
• Switch Positions:
  • OFF
  • 2 WAY
  • 1 WAY
  • HOLD OPEN
• Contact Type: Voltage-Free
• Supply Voltage: 12–24VDC
• Protection Rating: IP54
• Keys Supplied: 2 x 606 Keys
• Faceplate Material: Stainless Steel
• Back Box Material: High-Impact Plastic
• Mounting Options: Surface or Flush Mount
• Security Fixings: Allen Key Security Screws
• Legend: Etched Position Markings

Typical Applications

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