# Telemecanique Product Evolution Timeline: Complete LC1 to TeSys Replacement Guide (1924-2025)

**By 李海洋** · 2025-11-28

## **1\. Telemecanique Brand History Overview**

### **The Telemecanique Legacy (1924-Present)**

**Telemecanique**, founded in 1924 in France, revolutionized industrial automation with innovative electromechanical control solutions. In **1999**, Schneider Electric acquired Telemecanique, creating one of the world's most comprehensive automation portfolios.

### **Key Milestones Timeline**

Year

Milestone Event

**1924**

Telemecanique founded in Nanterre, France

**1950s**

Introduced LC1 contactor series (industry standard)

**1975**

Expanded into programmable controllers

**1988**

Launched Modicon PLC integration

**1999**

Acquired by Schneider Electric ($2.1B)

**2006**

TeSys brand consolidation begins

**2012**

Complete product line rebranding to Schneider

**2025**

Legacy LC1 parts still widely used globally

### **Why Telemecanique Matters Today**

-   **30+ million** LC1 contactors still in operation worldwide
-   **Legacy equipment** in automotive, water treatment, manufacturing
-   **Replacement parts demand** remains strong
-   **Cross-reference knowledge** critical for maintenance teams

* * *

## **2\. Complete Product Evolution Timeline (1924-2025)**

### **Phase 1: Telemecanique Era (1924-1999)**

#### **Contactor Evolution**

```
1950-1975: LC1-D Series (Original Design)
├── LC1-D09 to LC1-D150 (9A-150A range)
├── Mechanical interlocking available
└── Thermal overload relay integration

1976-1988: LC1-F Series (Enhanced Performance)
├── Improved coil efficiency (-15% power)
├── Extended mechanical life (8M cycles)
└── Modular accessory blocks

1989-1999: LC1-D/F "Modern" Series
├── Pollution degree 3 compliance
├── UL/CSA certifications added
└── Asian market penetration
```

#### **Control Components Timeline**

```
1960s: XB Series Push Buttons
1970s: XS Sensors & Limit Switches
1980s: XL Logic Modules
1990s: TSX PLC Series
```

* * *

### **Phase 2: Transition Period (2000-2011)**

**Schneider Electric's Integration Strategy:**

Year

Product Action

Impact

**2000-2002**

Dual branding (Telemecanique by Schneider)

Market continuity

**2003-2005**

TeSys D launch (LC1-D replacement)

Performance upgrade

**2006-2008**

TeSys F/Deca introduction

Expanded range

**2009-2011**

Legacy LC1 production phase-out

Transition completed

**Critical Cross-Reference Period**:

-   LC1-D25 → TeSys LC1D25 (identical mounting)
-   LC1-F115 → TeSys LC1F115 (backward compatible)

* * *

### **Phase 3: Modern Era (2012-2025)**

#### **Current Product Architecture**

```
TeSys Contactor Family (2012-Present)
│
├── TeSys D (9-95A) - LC1-D Successor
│   ├── LC1D09 to LC1D95
│   ├── 30% space saving vs legacy
│   └── IoT-ready versions (2020+)
│
├── TeSys F (115-150A) - LC1-F Successor
│   ├── LC1F115 to LC1F150
│   └── Integrated reversing options
│
├── TeSys Deca (150-780A) - High Power
│   ├── LC1N150 to LC1N780
│   └── Electronic coil control
│
└── TeSys Giga (185-2600A) - Industrial
    └── Next-gen soft-start integration
```

* * *

## **3\. LC1 to TeSys Migration Guide**

### **Why Upgrade from LC1 to TeSys?**

**Performance Benefits:**

-   ✅ **30% smaller footprint** (save panel space)
-   ✅ **50% lower coil power consumption** (reduce heat)
-   ✅ **+25% mechanical life** (fewer replacements)
-   ✅ **36% lower TCO** over 10 years
-   ✅ **IoT connectivity** (Industry 4.0 ready)

### **Direct Replacement Chart: LC1-D to TeSys D**

Legacy Model

Current Replacement

Mounting

Coil Voltage Options

**LC1-D09**

LC1D09M7 / LC1D09B7

Identical

220V/24V/110V

**LC1-D12**

LC1D12M7 / LC1D12B7

Identical

220V/24V/110V

**LC1-D18**

LC1D18M7 / LC1D18B7

Identical

220V/24V/110V

**LC1-D25**

LC1D25M7 / LC1D25B7

Identical

220V/24V/110V

**LC1-D32**

LC1D32M7 / LC1D32B7

Identical

220V/24V/110V

**LC1-D38**

LC1D38M7 / LC1D38B7

Identical

220V/24V/110V

**LC1-D50**

LC1D50AM7 / LC1D50AB7

Identical

220V/24V/110V

**LC1-D65**

LC1D65AM7 / LC1D65AB7

Identical

220V/24V/110V

**LC1-D80**

LC1D80M7 / LC1D80B7

Identical

220V/24V/110V

**LC1-D95**

LC1D95M7 / LC1D95B7

Identical

220V/24V/110V

**Coil Code Reference:**

-   **M7** \= AC 220V coil
-   **B7** \= AC 24V coil
-   **BD** \= DC 24V coil
-   **G7** \= AC 120V coil

### **LC1-F to TeSys F/Deca Migration**

Legacy Power Range

Old Series

New Series

Key Improvement

**55-75kW**

LC1-F115 to F150

TeSys LC1F115 to F150

+20% electrical life

**75-250kW**

LC1-F225 to F630

TeSys Deca LC1N

Electronic coil

**250kW+**

Custom solutions

TeSys Giga

Integrated protection

* * *

## **4\. Product Series Comparison & Cross-Reference**

### **Contactor Series Evolution Matrix**

Category

1950s-1999

2000-2011

2012-Present

**Small (9-38A)**

LC1-D09 to D38

LC1D (transition)

TeSys D Compact

**Medium (40-95A)**

LC1-D40 to D95

LC1D (transition)

TeSys D Standard

**Large (115-150A)**

LC1-F115 to F150

LC1F (transition)

TeSys F

**Power (>150A)**

LC1-F225+

LC1N (transition)

TeSys Deca/Giga

### **Overload Relay Compatibility**

#### **Thermal Overload Evolution**

```
Historical Series          Transition           Current Series
─────────────────         ──────────           ──────────────
LR1-D (1960-1999)    →    LR2-D (2000-2011) →  LR2D / LRD (2012+)
LR2-D09 to D95       →    Compatible           Direct mount TeSys D
LR9-D (1985-2005)    →    LR9-D (legacy)    →  LRD (electronic)
```

**Cross-Reference Example:**

-   Old: **LR2-D1312** (9-13A thermal)
-   New: **LRD16** (9-13A thermal) - Direct replacement

### **Push Button & Selector Switch Timeline**

Era

Series

Features

Current Equivalent

**1960-1985**

XB2 (metal)

22mm mounting

XB4 (plastic)

**1986-2005**

XB4 (early)

Modular design

XB4 (current)

**2006-2015**

XB5 (premium)

LED integration

XB5 (current)

**2016-Present**

Harmony XB5

IoT-ready

Active production

* * *

## **5\. Telemecanique to Schneider Rebranding History**

### **The Acquisition Story (1999)**

**Why Schneider Acquired Telemecanique:**

-   Strengthen European automation presence
-   Acquire LC1 contactor market leadership
-   Integrate TSX PLC technology with Modicon
-   Expand industrial sensor portfolio

**Financial Details:**

-   **Purchase Price**: $2.1 billion USD
-   **Market Share Gained**: #1 in European contactors
-   **Product Portfolio**: 50,000+ SKUs
-   **Global Workforce**: +12,000 employees

### **Brand Transition Timeline**

#### **Phase 1: Co-branding (1999-2005)**

```
Logo Evolution:
[Telemecanique] → [Telemecanique by Schneider Electric] → [Schneider Electric]
```

**Product Labeling:**

-   1999-2002: "Telemecanique" primary logo
-   2003-2005: Dual branding (both logos)
-   2006-2011: "Schneider Electric" primary, Telemecanique reference
-   2012+: Schneider Electric only

#### **Phase 2: Product Line Integration (2006-2011)**

Year

Integration Action

Impact

**2006**

TeSys brand launch

Unified contactor naming

**2007**

Harmony push button consolidation

XB series standardized

**2008**

Sensor rebranding (Telemecanique Sensors)

OsiSense brand created

**2009**

PLC migration (TSX → Modicon M340)

Platform unification

**2010**

Drives integration (Altivar consolidation)

VFD portfolio unified

**2011**

Legacy support announcement

15-year parts guarantee

### **What Changed for End Users?**

✅ **Product Performance**: Improved (backward compatible)  
✅ **Part Numbers**: Evolved (LC1-D25 → LC1D25M7)  
✅ **Mounting Dimensions**: Unchanged (drop-in replacement)  
✅ **Technical Support**: Enhanced (global network)  
✅ **Pricing**: Competitive (economies of scale)  
✅ **Availability**: Improved (integrated supply chain)

* * *

## **6\. Legacy Product Replacement Solutions**

### **Top 10 Discontinued Telemecanique Products & Replacements**

#### **1\. LC1-D Contactors (Original Series)**

Discontinued Model

Direct Replacement

Alternative Option

Lead Time

LC1-D0901M5

LC1D09M5

LC1D09M7 (220V coil)

3-5 days

LC1-D1210M5

LC1D12M5

LC1D12M7 (220V coil)

3-5 days

LC1-D2501M5

LC1D25M5

LC1D25M7 (220V coil)

Stock

LC1-D3201M5

LC1D32M5

LC1D32M7 (220V coil)

Stock

LC1-D5011M5

LC1D50AM5

LC1D50AM7 (220V)

5-7 days

**Note**: M5 coils (110V AC) replaced by M5 or G7 (120V) variants

#### **2\. TSX Nano/Micro PLCs**

```
Discontinued          →    Replacement
─────────────────         ──────────────
TSX 07 Nano           →    Modicon TM221
TSX 17 Micro          →    Modicon TM241
TSX 37 Premium        →    Modicon M258
TSX 57 Premium        →    Modicon M580
```

**Migration Benefits:**

-   3X faster processing speed
-   Free programming software (SoMachine)
-   Ethernet native communication
-   Cybersecurity features

#### **3\. XB2 Push Buttons (Metal Series)**

Old Product

New Product

Mounting

Color Options

XB2-BA31

XB4BA31

22mm compatible

Red

XB2-BA42

XB4BA42

22mm compatible

Green

XB2-BW33

XB4BW33

22mm compatible

White

XB2-BV03

XB4BV03

22mm compatible

Blue

#### **4\. Altivar 18/28 Drives**

Discontinued

Replacement

Power Range

Features Added

ATV18U09M2

ATV320U02M2

0.18-0.75kW

USB programming

ATV28HU09M2

ATV320U04M2

0.75-4kW

Built-in EMC filter

ATV28HU18M2

ATV320U07M2

5.5-7.5kW

Energy optimizer

#### **5\. XS Sensors (Inductive/Capacitive)**

**Obsolete Series**: XS1, XS2, XS6, XS7  
**Current Series**: XS8, XS9, XS6 (redesigned)

**Key Improvements:**

-   IO-Link communication
-   2mm longer sensing range
-   IP69K rating (washdown environments)
-   LED status indication

* * *

## **7\. Authentication Guide: Genuine vs Counterfeit**

### **How to Identify Genuine Telemecanique/Schneider Products**

#### **Visual Inspection Checklist**

✅ **Logo Quality**

-   Schneider Electric logo: Sharp, clear edges
-   Telemecanique reference: Properly embossed
-   Color consistency: Pantone-matched greens

✅ **Label Information**

-   Serial number format: XX-XXXX-XXXX (13 characters)
-   QR code scannable to Schneider database
-   Manufacturing date code present

✅ **Build Quality**

-   Contact materials: Silver-tin oxide (AgSnO₂)
-   Plastic housing: Fire-rated (UL94 V0)
-   Screws: Torx or hex (not Phillips)

#### **Common Counterfeit Indicators**

❌ **Red Flags:**

-   Misspelled product names ("Telemechnique")
-   Missing CE/UL certification marks
-   Poorly printed labels (smudging, fading)
-   Incorrect font styles
-   Lightweight construction (inferior plastics)
-   No QR code or non-scannable code

### **Authentication Resources**

**Schneider Electric Verification**:

  

-   📱 mySchneider App: Scan QR code feature
-   ☎️ Hotline: Contact authorized distributors

* * *

## **8\. Technical Support & Documentation**

### **Official Documentation Archive**

#### **Catalogs & Selection Guides**

Document Type

Coverage Period

Download Link

**LC1-D Classic Catalog**

1975-1999

Legacy archive

**TeSys D Selection Guide**

2006-present

Current catalog

**Telemecanique to Schneider Crossover**

1999-2011

Migration guide

**Wiring Diagrams**

All series

Technical library

### **Programming Software Timeline**

PLC Series

Software

Version Era

Current Status

**TSX Nano**

PL7-Micro

1995-2010

Legacy support

**TSX Premium**

PL7-Pro

1998-2015

Phased out 2020

**Modicon M221**

SoMachine Basic

2012-present

Active

**Modicon M580**

EcoStruxure Control Expert

2015-present

Active

### **Certificate & Approvals History**

**Telemecanique Era Certifications:**

-   CE Mark (European Union)
-   UL 508 (North America)
-   CSA C22.2 (Canada)
-   IEC 60947 compliance

**Additional Schneider Era:**

-   CCC (China Compulsory)
-   EAC (Eurasian Conformity)
-   RCM (Australia/New Zealand)
-   KC (South Korea)

* * *

## **9\. DDY Supply: Your Telemecanique/Schneider Specialist**

### **Why Choose DDY Supply for Telemecanique Products?**

#### **🏆 Expertise in Legacy & Current Products**

**15+ Years Telemecanique Experience:**

-   ✅ Complete LC1 to TeSys cross-reference database
-   ✅ Obsolete parts sourcing (90%+ success rate)
-   ✅ Technical migration consulting
-   ✅ Authentic product verification

#### **📦 Comprehensive Inventory**

**Legacy Telemecanique Stock:**

-   LC1-D Contactors (9A-95A): 200+ models
-   LC1-F Contactors (115A-630A): 150+ models
-   LR2-D Overload Relays: 80+ variants
-   XB2/XB4 Push Buttons: 500+ configurations
-   TSX PLC modules: 100+ spare parts

**Current Schneider Stock:**

-   TeSys D/F/Deca: Full range
-   Modicon PLCs: M221/M241/M258/M580
-   Altivar Drives: ATV12/320/340/930
-   Harmony Components: XB4/XB5/XA series

#### **💰 Competitive Pricing Structure**

Product Category

DDY Supply Price

Official Channel

Savings

**TeSys D Contactors**

$25-85

$35-120

**20-30%**

**Legacy LC1 Parts**

Market-based

Often unavailable

**Exclusive access**

**Bulk Orders (50+)**

Volume discount

Standard pricing

**Additional 10%**

#### **🌍 Global Logistics Network**

**Shipping Coverage:**

Destination

Standard Delivery

Express Option

Tracking

**China Mainland**

2-3 days

24 hours

Real-time

**Asia-Pacific**

5-7 days

3 days

Real-time

**North America**

7-10 days

5 days

Real-time

**Europe**

8-12 days

6 days

Real-time

**Middle East**

10-14 days

7 days

Real-time

#### **🔧 Technical Support Services**

**Free Consultation Services:**

1.  **Product Cross-Reference** (10-minute response)
    
    -   Legacy Telemecanique → Current Schneider
    -   Competitor equivalents
    -   Custom solution design
2.  **Migration Planning**
    
    -   LC1 to TeSys upgrade roadmap
    -   Control panel modernization
    -   Budget estimation
3.  **Troubleshooting Support**
    
    -   Product selection verification
    -   Wiring diagram review
    -   Application engineering
4.  **Documentation Provision**
    
    -   Original Telemecanique catalogs
    -   Schneider current datasheets
    -   Installation manuals (multilingual)

* * *

## **Contact Elva Lee - Your Telemecanique Expert**

### **Direct Contact Information**

**Elva Lee**  
_Senior Technical Sales Specialist_  
_15+ Years Telemecanique/Schneider Experience_

📧 **Email:**

-   Primary: elva@ddysupply.com
-   Alternate: elvalee0624@gmail.com

📱 **WhatsApp/Mobile:** +86 153 0504 5587  
☎️ **Office Line:** +86 153 0504 5587

🌐 **Website:** [https://ddysupply.com](https://ddysupply.com/)

* * *

### **Company Information**

**DDY GROUP CO., LTD.**  
_Authorized Schneider Electric Distributor_

**Operating Entities:**

-   Fuzhou Dadongyuan Trading Co., Ltd.
-   Fuzhou Rongshengda Electric Co., Ltd.

**Head Office Address:**  
Unit 206, 2nd Floor, Building 1  
Qinsheng Business Plaza  
No. 539 Chiqiao Road, Xindian Town  
Fuzhou, Fujian Province, China

**Business Hours:**  
Monday-Saturday: 8:30 AM - 6:00 PM (GMT+8)  
Sunday: Email/WhatsApp support available

* * *

### **Request a Quote (Fast Response)**

**For Immediate Assistance, Provide:**

1.  ✅ Product model number (LC1-D or TeSys)
2.  ✅ Quantity required
3.  ✅ Application details (voltage, load type)
4.  ✅ Delivery destination
5.  ✅ Timeline requirements

**Quote Response Time:**

-   Standard inquiries: Within 2 hours (business days)
-   Urgent requests: Within 30 minutes (24/7)
-   Complex migrations: Within 4 hours (engineering review)

---

> Source: [DDY GROUP CO.,LTD.](https://ddysupply.com/blogs/official-schneider-electric-siemens-distributor/telemecanique-product-evolution-timeline-complete-lc1-to-tesys-replacement-guide-1924-2025)