Schneider Electric LA4DMK TeSys D Contactor Module

Description:

The Telemecanique LA4DMK Contactor Module is used in industrial motor control systems to provide automatic, manual, and stop (HOA) control of TeSys D contactors for local override and operational testing. Commonly installed in motor control centers (MCCs), conveyor systems, pumps, compressors, and industrial control panels. Maintenance teams, OEMs, and system integrators use this control module for repair, replacement, retrofit, or industrial automation maintenance.

Applications:

The Telemecanique LA4DMK Contactor Module is commonly used in industrial facilities to enable local manual operation and remote automatic control of contactors in equipment such as conveyors, pumps, compressors, HVAC systems, material handling equipment, robotics, production lines, MCCs, and industrial control panels where dependable manual override, reliable machine control, process monitoring, and electrical interlocking are essential.

Technical Specifications:

• Manufacturer: Telemecanique (Schneider Electric)
• Model / Part Number: LA4DMK
• Product Type: Automatic-Manual-Stop (HOA) Contactor Control Module
• Product Series: TeSys D
• Operational Voltage: 24–100 VAC
• Function: Local Auto/Manual/Stop control and contactor override
• Control Interface: Two-position "Auto-Man" switch with "O-I" (On-Off) switch
• Mounting: Direct mounting on terminals A1 and A2 (LC1D40–D150) or via LAD4BB adapter (LC1D09–D32)
• Compatible Devices: TeSys D LC1D09–D150 contactors and CAD series control relays
• Weight: Approximately 0.04 kg (0.09 lb)
• Application Environment: Industrial motor control, automation systems, and electrical control panels
• Installation Note: For 24 VAC operation, the contactor must be fitted with a 21 V coil (Z-code coil).

Common Replacements:

• Schneider Electric LA4DMK Automatic-Manual-Stop Control Module
• Siemens SIRIUS Manual Control Accessory Module
• Allen-Bradley Bulletin 100-D Manual Control Accessory Module