Telemecanique LA8DN11 Auxiliary Contact Block

Description:

The Telemecanique LA8DN11 Auxiliary Contact Block is used in industrial motor control systems to provide additional auxiliary contacts for control, signaling, and electrical interlocking of compatible TeSys contactors. Commonly installed in motor control centers (MCCs), conveyor systems, pumps, compressors, and industrial control panels. Maintenance teams, OEMs, and system integrators use this auxiliary contact block for repair, replacement, retrofit, or industrial automation maintenance.

Applications:

The Telemecanique LA8DN11 Auxiliary Contact Block is commonly used in industrial facilities to expand the control capabilities of contactors in equipment such as conveyors, pumps, compressors, packaging machines, HVAC systems, material handling equipment, robotics, production lines, MCCs, and industrial control panels where dependable machine control, reliable status indication, process monitoring, and electrical interlocking are essential.

Technical Specifications:

• Manufacturer: Telemecanique (Schneider Electric)
• Model / Part Number: LA8DN11
• Current Equivalent Part Number: LAD8N11
• Product Type: Side-Mount Auxiliary Contact Block
• Product Series: TeSys D / TeSys Deca
• Contact Configuration: 1 Normally Open (1NO) + 1 Normally Closed (1NC)
• Auxiliary Contact Operation: Instantaneous
• Rated Operational Voltage (Ue): 690 VAC, 25...400 Hz
• Rated Insulation Voltage (Ui): 690 VAC (IEC), 600 VAC (UL/CSA)
• Conventional Thermal Current (Ith): 10 A at 60°C
• Mounting Location: Side mount (clip-on)
• Terminal Type: Screw clamp terminals
• Compatible Devices: TeSys D LC1D and CAD contactors
• Mechanical Durability: Up to 30 million operating cycles
• Standards: IEC/EN 60947-5-1, UL 60947-5-1, CSA C22.2 No. 60947-5-1
• Certifications: CB, UL, CSA, CCC, EAC, UKCA
• Note: LA8DN11 is the legacy Telemecanique reference and is superseded by Schneider Electric part number LAD8N11 with equivalent form, fit, and function.

Common Replacements:

• Schneider Electric LAD8N11 Side-Mount Auxiliary Contact Block
• Siemens SIRIUS 3RH2911 Auxiliary Contact Block (1NO + 1NC)
• Allen-Bradley 100-S Auxiliary Contact Block (1NO + 1NC)