Schneider Electric TeSys D Series Contactors: LC1D245M7C

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 petrochemical complexes, nuclear power auxiliary systems, offshore platforms, and continuous-process refineries, the TeSys D range covers motor control applications from 9 A to 800 A (AC-3 duty). Its IEC 60947-4-1 compliance, standardized DIN-rail footprint, and broad coil voltage selection (24 V DC to 600 V AC) have made it the de facto standard for motor control centers (MCCs) built between 1995 and the present day. Installed base estimates exceed 200 million units globally, creating a long-tail demand for spare and replacement modules that persists decades after initial commissioning.

The Evolution of TeSys D Architecture

The TeSys D platform was introduced by Schneider Electric (then Telemecanique) in the early 1990s as a successor to the TeSys B and TeSys F families. The original LC1D09–LC1D38 sub-range established the compact 3-pole frame that remains dimensionally compatible with current production. A significant architecture revision in the early 2000s introduced enhanced auxiliary contact blocks (LAD series), suppressor modules (LAD4RCE, LAD4RC3U), and mechanical interlock kits (LAD9R1), all of which remain backward-compatible with frames produced since 1995.

The mid-2000s expansion added the LC1D40A–LC1D95 range with a wider frame and screw-clamp terminals rated for larger cable cross-sections. The LC1D115–LC1D150 sub-range followed, bridging the gap to the TeSys F (LC1F) heavy-duty line. By 2010, Schneider introduced the LC1D Variable Speed Drive (VSD) variants with AC-1 and AC-3 dual ratings, and the LC1DT series for three-phase capacitor switching. Coil voltage options were standardized across the range: M7C (220–230 V AC/50 Hz), Q7C (380–400 V AC/50 Hz), BL (24 V DC), and F7C (110 V AC/50 Hz), among others.

Compatibility note: Auxiliary contact blocks (LADN, LADN11, LADN22) and coil suppressor modules are interchangeable across the full LC1D frame family. However, power terminal covers and mechanical interlocks are frame-size specific and must be matched to the contactor ampere rating.

TeSys D Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the Schneider Electric TeSys D (LC1D) series. Each entry reflects the standard IEC AC-3 current rating and coil voltage designation.

LC1D09M7C: 9 A, 4 kW/400 V, 220–230 V AC coil, 3-pole, DIN-rail mount.
LC1D12M7C: 12 A, 5.5 kW/400 V, 220–230 V AC coil, 3-pole, compact frame.
LC1D18M7C: 18 A, 7.5 kW/400 V, 220–230 V AC coil, 3-pole, standard frame.
LC1D25M7C: 25 A, 11 kW/400 V, 220–230 V AC coil, 3-pole, standard frame.
LC1D32M7C: 32 A, 15 kW/400 V, 220–230 V AC coil, 3-pole, standard frame.
LC1D38M7C: 38 A, 18.5 kW/400 V, 220–230 V AC coil, 3-pole, standard frame.
LC1D40AM7C: 40 A, 18.5 kW/400 V, 220–230 V AC coil, 3-pole, wide frame.
LC1D50AM7C: 50 A, 22 kW/400 V, 220–230 V AC coil, 3-pole, wide frame.
LC1D65AM7C: 65 A, 30 kW/400 V, 220–230 V AC coil, 3-pole, wide frame.
LC1D80M7C: 80 A, 37 kW/400 V, 220–230 V AC coil, 3-pole, wide frame.
LC1D95M7C: 95 A, 45 kW/400 V, 220–230 V AC coil, 3-pole, wide frame.
LC1D115M7C: 115 A, 55 kW/400 V, 220–230 V AC coil, 3-pole, large frame.
LC1D150M7C: 150 A, 75 kW/400 V, 220–230 V AC coil, 3-pole, large frame.
LC1D245M7C: 245 A, 132 kW/400 V, 220–230 V AC coil, 3-pole, heavy-duty frame — the subject SKU of this listing.
LC1D410M7C: 410 A, 200 kW/400 V, 220–230 V AC coil, 3-pole, extra-large frame.
LC1D09BL: 9 A, 4 kW/400 V, 24 V DC coil, 3-pole, DIN-rail mount.
LC1D25BL: 25 A, 11 kW/400 V, 24 V DC coil, 3-pole, PLC-compatible low-voltage coil.
LC1D40ABL: 40 A, 18.5 kW/400 V, 24 V DC coil, 3-pole, wide frame, PLC output compatible.

Sourcing Hard-to-Find & Obsolete TeSys D Parts

DriveKNMS maintains a dedicated inventory of TeSys D contactors sourced from verified industrial surplus channels, OEM overstock, and decommissioned MCC panels. All units are inspected prior to listing. For end-users operating aging MCCs in refineries, water treatment plants, or power generation facilities, DriveKNMS provides lifecycle extension support including cross-reference identification (e.g., identifying the correct LC1D replacement for a legacy Telemecanique CA3 or LC1-D frame), coil voltage substitution guidance, and auxiliary contact block compatibility verification.

Quality Control for the TeSys D Range

Each TeSys D unit processed by DriveKNMS undergoes a structured inspection protocol calibrated to the specific failure modes of this contactor family. The LC1D245 and larger frames are subject to the following checks: main contact resistance measurement (milliohm-level, per IEC 60947-4-1 Annex F criteria); coil impedance and inrush current verification against published Schneider data sheets; arc chute integrity inspection for carbon tracking and erosion depth; mechanical endurance test (minimum 50 open/close cycles under no-load); and auxiliary contact block continuity and isolation resistance test (500 V DC Megger, >100 MΩ).