Schneider Electric TeSys D Series Contactors: LC1D95M7C

Technical Dossier

Product Details And Specifications

Schneider Electric TeSys D Series Technical Notes

The Schneider Electric TeSys D series is one of the most widely deployed AC contactor families in global heavy industry. Installed across chemical processing plants, nuclear power facilities, oil refineries, and large-scale manufacturing lines, the TeSys D range covers motor control applications from 9A to 150A (AC-3 duty). The LC1D prefix designates the standard 3-pole contactor configuration, with auxiliary contact blocks, coil voltage variants, and reversing assemblies forming a complete motor starter ecosystem. Its IEC 60947-4-1 compliance and UL/CSA certifications make it a default specification in both European and North American industrial projects. The series has accumulated decades of field deployment, resulting in an extensive installed base that continues to require spare parts and replacement modules well beyond the original product lifecycle.

The Evolution of TeSys D Architecture

The TeSys D series succeeded the earlier TeSys B and TeSys F families, introducing a standardized DIN-rail mounting footprint and a modular auxiliary contact block system that became an industry reference. Early production variants used a screw-terminal coil connection; later revisions introduced push-in spring terminals on auxiliary blocks for faster panel wiring. The coil suppression circuit was integrated into the coil body from the LC1D09–LC1D38 range onward, reducing external wiring requirements. Compatibility between generations is maintained at the mechanical mounting level, but coil voltage codes and auxiliary block interface dimensions must be verified when substituting across production batches. The TeSys D range has entered the mature/end-of-active-development phase; Schneider Electric continues to supply the line but new designs are directed toward the TeSys Deca (LC1D Deca) platform. For facilities with existing TeSys D installations, long-term maintenance sourcing from specialist distributors such as DriveKNMS is the standard strategy to avoid forced panel redesigns.

TeSys D Full Catalog & Functionalities (SKU List)

The following SKUs represent the core TeSys D contactor range. Each entry identifies the frame size, coil voltage, and primary application duty.

LC1D09M7C: 9A AC-3, 220V AC coil, 3-pole IEC contactor for small motor loads.
LC1D12M7C: 12A AC-3, 220V AC coil, compact frame for pump and fan starters.
LC1D18M7C: 18A AC-3, 220V AC coil, standard duty motor switching up to 7.5kW/400V.
LC1D25M7C: 25A AC-3, 220V AC coil, mid-range contactor for conveyor and compressor duty.
LC1D32M7C: 32A AC-3, 220V AC coil, suitable for 15kW motor control panels.
LC1D38M7C: 38A AC-3, 220V AC coil, upper limit of the compact TeSys D frame range.
LC1D40AM7C: 40A AC-3, 220V AC coil, large-frame series entry point for heavy motor duty.
LC1D50AM7C: 50A AC-3, 220V AC coil, used in 22kW drive bypass and DOL starter panels.
LC1D65AM7C: 65A AC-3, 220V AC coil, high-current contactor for industrial HVAC and pump stations.
LC1D80M7C: 80A AC-3, 220V AC coil, suitable for 37kW motor control in process industries.
LC1D95M7C: 95A AC-3, 220V AC coil, 3-pole contactor for 45kW motor loads; the subject SKU of this listing.
LC1D115M7C: 115A AC-3, 220V AC coil, large-frame contactor for high-power pump and compressor duty.
LC1D150M7C: 150A AC-3, 220V AC coil, maximum-frame TeSys D for 75kW motor applications.
LC1DT20M7C: 20A AC-3, 220V AC coil, 4-pole contactor variant for 3-phase + neutral switching.
LC1DT25M7C: 25A AC-3, 220V AC coil, 4-pole frame for generator changeover and ATS panels.
LC1D09BL: 9A frame, 24V DC coil, used in PLC-direct output switching without relay interposing.
LC1D18BL: 18A frame, 24V DC coil, standard in automation panels with DC control voltage.
LC1D25BL: 25A frame, 24V DC coil, common in variable-speed drive bypass circuits.
LADN11C: Auxiliary contact block, 1NO+1NC, snap-fit to all LC1D frames; extends control circuit monitoring.
LAD8N11: Surge suppressor module for 100–250V AC coils; reduces coil transient interference on control buses.

Quality Control for the TeSys D Range

Each TeSys D contactor processed by DriveKNMS undergoes a structured inspection sequence before dispatch. The main contact assembly is checked for contact wear depth and silver-alloy surface condition using calibrated gauges. Coil resistance is measured against the published nominal value for the specific voltage code; deviations exceeding ±10% result in rejection. The arc chute and contact chamber are inspected for carbon tracking and mechanical deformation. Auxiliary contact block engagement is verified by actuating the contactor through a minimum of 10 mechanical cycles under no-load conditions and confirming continuity state changes on all auxiliary poles. For units with integrated coil suppression circuits, the suppressor component is tested for correct clamping voltage. All tested units are re-packaged with an inspection record identifying the technician, test date, and measured parameters.