Jung 509U Switch Insert 2-Gang 2-Way 10AX 250V LS Range Without Frame

The Jung 509 U is a 2-gang switch insert comprising two independent 1-pole, 2-way switching circuits in a single unit. Rated at 10 AX and 250 V AC, it is intended for two-location on/off control of lighting circuits in residential and commercial installations. Screw terminals accept both rigid and flexible conductors up to 2.5 mm², and the insert is manufactured by Albrecht Jung GmbH & Co. KG.

Technical specifications:

• Reference number: 509 U
• Manufacturer: Jung (Albrecht Jung GmbH & Co. KG)
• EAN/GTIN: 4011377263703
• Product type: 2-gang switch insert
• Switch configuration: 2 × 1-pole, 2-way
• Rated switching voltage: AC 250 V~
• Rated switching current: 10 AX
• Max. lamp power (SBL - self-ballasted lamps): 100 W
• Terminal type: screw terminals
• Wire capacity: rigid and flexible wires up to 2.5 mm²

Features and benefits:

• Two independent 1-pole, 2-way circuits in one insert, enabling two-location switching of two separate lighting circuits from a single gang plate position.
• Screw terminals accept both rigid and flexible conductors up to 2.5 mm², covering standard cable types used in fixed wiring.
• Rated for self-ballasted lamps (SBL) up to 100 W, as stated in the product data sheet.
• Claw-free variant available: append suffix "E" to the reference number (e.g. 509 EU) when installation without claws is required.
• Installation must be carried out only by persons with relevant electrical knowledge and experience, in accordance with Jung installation guidelines.

Applications:

• Two-location staircase lighting control, using the 1-pole 2-way configuration to switch from top and bottom landings.
• Simultaneous independent control of two separate lighting circuits from one switch position.
• Corridor or hallway lighting where switching at both ends of the run is required.
• Direct replacement insert for existing installations using the same 509 U format.

Also known as: Jung 509U, Jung 2-gang 2-way switch insert, Jung 509EU (claw-free variant).