Schneider Electric LADN11 Auxiliary Contact Block

Description:

The Telemecanique LADN11 Auxiliary Contact Block is used in industrial motor control systems to provide one normally open and one normally closed auxiliary contact for control, signaling, and electrical interlocking of compatible TeSys IEC contactors and control relays. 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 LADN11 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 / Square D (Schneider Electric)
• Model / Part Number: LADN11
• Product Type: Front-Mount Auxiliary Contact Block
• Product Series: TeSys D / TeSys Deca (LADN)
• Contact Configuration: 1 Normally Open (1NO) + 1 Normally Closed (1NC) – 2 Pole
• Auxiliary Contact Operation: Instantaneous
• Mounting Location: Front (clip-on)
• Terminal Type: Screw clamp terminals
• Rated Operational Voltage (Ue): 690 VAC, 25...400 Hz
• Conventional Thermal Current (Ith): 10 A at 60°C
• Rated Operational Current (AC-15): 6 A at 120 VAC, 1.04 A at 690 VAC
• Rated Operational Current (DC-13): 0.55 A at 125 VDC, 0.1 A at 600 VDC
• Rated Insulation Voltage (Ui): 690 VAC (IEC), 600 VAC (UL/CSA)
• Compatible Devices: TeSys D LC1D09...LC1D150 contactors, CAD control relays, TeSys F LC1F and CR1F 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
• Application Environment: Industrial motor control, automation systems, and electrical control panels.

Common Replacements:

• Schneider Electric LADN11 Front-Mount Auxiliary Contact Block
• Siemens SIRIUS 3RH2911 Auxiliary Contact Block (1NO + 1NC)
• Allen-Bradley Bulletin 100-S Auxiliary Contact Block (1NO + 1NC)