Schneider LADN11 Auxiliary contact block

The Schneider Electric LADN11 is a TeSys D auxiliary contact block featuring a 1 NO + 1 NC contact arrangement with screw terminal connections. Designed for front-face mounting on TeSys D, TeSys F, and TeSys Deca contactors, it provides instantaneous operation with a rated current of 6 A at 120 V AC-15 and a rated insulation voltage of 690 V.

Technical specifications:

• Commercial reference: LADN11
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys D / TeSys Deca
• Product type: Auxiliary contact block
• Contact arrangement: 1 NO + 1 NC
• Contacts operation: Instantaneous
• Rated operational voltage [Ue]: 690 V AC, 25-400 Hz
• Rated current [Ie]: 6 A at 120 V AC-15 / 1.04 A at 690 V AC-15 / 0.55 A at 125 V DC-13 / 0.1 A at 600 V DC-13
• Rated insulation voltage [Ui]: 690 V per IEC 60947-5-1
• Conventional thermal current [Ith]: 10 A at 60 °C
• Making capacity (Irms): 140 A AC / 250 A DC per IEC 60947-5-1
• Mechanical durability: 30 million operating cycles
• Minimum switching current: 5 mA
• Minimum switching voltage: 17 V
• Non-overlap time: 1.5 ms
• Insulation resistance: greater than 10 MOhm
• Mounting location: Front face
• Connection type: Screw terminals, 1-4 mm² flexible / rigid conductors
• Tightening torque: 1.7 N.m
• Dimensions (W x H x D): 26 x 48 x 42 mm
• Colour: Dark grey
• IP protection rating: IP20 per IEC 60529
• Operating temperature: -5 to 60 °C
• Storage temperature: -60 to 80 °C
• Operating altitude: up to 3000 m
• Standards: EN/IEC 60947-5-1, UL 60947-5-1, CSA C22.2 No 60947-5-1, GB/T 14048.5, EN 50012
• Certifications: CB Scheme, UL, CSA, CCC, EAC, UKCA
• Warranty: 18 months

Features and benefits:

• Compatible with TeSys D (LC1D, CAD), TeSys F (LC1F, CR1F), and TeSys Deca contactor families for broad application flexibility
• Instantaneous 1 NO + 1 NC contact arrangement suitable for signalling, interlocking, and control circuits
• High mechanical durability of 30 million operating cycles ensures long service life in high-cycle applications
• Screw terminal connections accept 1-4 mm² conductors, simplifying installation and wiring
• Wide operating temperature range of -5 to 60 °C with TH protective treatment for use in demanding environments

Applications:

• Motor control panels requiring auxiliary signalling or feedback contacts
• Interlocking circuits in industrial automation and machine control cabinets
• Control and monitoring circuits in building services and HVAC systems
• Status indication in switchgear and distribution boards

Compliant with EN/IEC 60947-5-1, UL 60947-5-1, and CSA C22.2 No 60947-5-1. Part of the Schneider Electric TeSys D range.

Also known as: Schneider LADN11, Schneider Electric LADN11, TeSys auxiliary contact block, 1NO 1NC auxiliary contact.