The JUNG 531 U is a 1-gang push-button insert (1-pole, 1-way, NO contact) rated for 10 A / 250 V AC. It features screwless terminals for rigid wires up to 2.5 mm², can be optionally illuminated, and is convertible into a pull-cord push-button with an accessory insert.

Specifications of JUNG 531 U

• Type: 1-gang push-button insert
• Contact: 1-pole, 1-way, normally open (NO)
• Rated Load: 10 A
• Switching Voltage: AC 250 V ~
• Terminals: Screwless, suitable for rigid wires up to 2.5 mm²
• Mounting: Standard flush-mount insert
• Accessories:
  • Pull cord insert (Ref.-no. 34 or 34 KO5)
  • Lamps for illumination:
    • Ref.-no. 90 (230 V, 1.1 mA)
    • Ref.-no. 95 (230 V, 0.5 mA)
    • Ref.-no. 96 series (low voltage: 12 V, 24 V, 36 V, 48 V)
    • LED options: Ref.-no. 961248 (12–48 V, red/green), Ref.-no. 90-LED (230 V, red/green)
• Variants:
  • Without claws: Ref.-no. with additional “E” (e.g., 531 EU)