YJ139-LA39 Emergency Switch

YJ139-LA39 Emergency Switch
Technical Specifications

• Mounting Hole Size: 22 mm diameter
• Max Voltage (Ui): 600V AC
• Current Rating (Ith): 10A
• Action Type: Latching / Self-locking (Push to stop, twist/rotate to reset)
• Contact Options: Modular configurations (commonly 1NC, 1NO+1NC, or 2NC) [1, 2, 3]

Installation and Wiring

• Cutout: Drill a clean 22 mm hole on the control box or machine panel.
• Disassembly: Separate the contact block base from the plastic/metal operator head using the base clips before mounting.
• Wiring: Connect your safety control loop or stop circuit to the Normally Closed (NC) terminals for safe interruption upon actuation. 

If you need help, tell me:

• What is the contact configuration (1NO+1NC or 2NC) you are trying to wire?
• Are you replacing an LA38 or LA39 model?