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Definition of each part of LC1F1250MD:
| Segment | Descriere |
| LC | Product category code, stands for Contactor Schneider product line |
| 1 | Standard single contactor (2 = reversing contactor) |
| F | Cod de serie, stands for TeSys F Series (heavy-duty industrial contactor) |
| 1250 | Rated current specification: 1250O (actual 1260A under AC-1 @ 440V) |
| M | Coil voltage code: 220V (AC or DC distinguished by the following letter) |
| D | Coil type code: bobină DC (M7 = AC coil; MD = DC coil) |
Core Difference:
LC1F1250MD is fitted with 220VDC coil, while LC1F1250M7 is 220VAC coil. Both share identical main circuit parameters; only the control circuit power supply type differs.
- Specificații tehnice de bază
| Categorie | Parametrii |
| Basic Characteristics | • Product Series: TeSys F heavy-duty industrial contactor |
| • Poles: 3P (3 stâlpi) | |
| • Main Contacts: 3NU (3 Deschis normal) | |
| • Utilization Category: AC-1 (non-inductive / slightly inductive loads such as resistance furnaces) | |
| • Mounting: Sina DIN standard de 35 mm / bolt mounting | |
| Main Circuit Ratings | • Rated Operational Voltage (Ue): ≤690V AC (50/60Hz) / ≤460V DC |
| • Rated Insulation Voltage (Ui): 1000V și | |
| • Rated Operational Current (Ie): 1260O (AC-1, 440V, 40°C) | |
| • Conventional Thermal Current (Ith): 1260O | |
| • Short-time Withstand Current (Icw): 25cel / 1s @ 400V | |
| • Contact Resistance: ≤0.12mΩ | |
| Control Circuit Ratings | • Coil Type: bobină DC |
| • Rated Coil Voltage (Uc): 220VDC (compatible with 230VDC in practice) | |
| • Coil Power Consumption: Pull-in 140W, Holding 24W | |
| • Pull-in Time: ≤80ms | |
| • Drop-out Time: ≤50ms | |
| • Control Terminals: Screw clamp type | |
| Mechanical & Environmental | • Mechanical Life: 1,000,000 operațiuni |
| • Electrical Life (AC-1): 100,000 operațiuni | |
| • Max Operating Frequency: 300 cycles/hour | |
| • Operating Temperature: -5~+40°C (derating required +40~+60°C) | |
| • Storage Temperature: -25~+60°C | |
| • Protection Class: IP20 (after installation) | |
| • Dimensions (L×A×D): 309×280×181mm | |
| • Weight: Aproximativ. 18kg | |
| Certificari & Standarde | • Compliance: IEC 60947-4-1, ÎN 60947-4-1, GB 14048.4 |
| • Approvals: CE, UL, CSA, CCC, UKCA | |
| • Eco Certification: Green Premium (RoHS / REACh compliant) |
- Accessory List
3.1 Accesorii standard
Contactor main unit LC1F1250MD ×1
Mounting fasteners (DIN rail clip / bolts) ×1
Operation Manual (electronic version) ×1
Coil surge suppressor (opțional, separate order required)
3.2 Accesorii optionale (Sold Separately)
| Accessory Type | Model Example | Scop |
| Auxiliary Contact Block | LAD9F01 / LAD9F10 | Add 1NO / 1NC auxiliary contacts for control circuit expansion |
| Mechanical Interlock Block | LA9FF976 | For reversing circuit (forward/reverse), prevents simultaneous closing of two contactors |
| Terminal Protection Cover | LAD9V6 | Safety protection for main circuit terminals, electric shock prevention |
| Power Connection Busbar | LAD9B1250 | High-current main circuit wiring, simplifies installation |
| Surge Suppressor | LAD9R220 | Protect coil, suppress reverse EMF when DC coil is de-energized |
| Auxiliary Contact Base | LAD9F | Mount multiple auxiliary modules; expandable up to 6 auxiliary contacts maximum |
- Competitor & Cross-Brand Equivalent
| Marca | Model | Curent nominal | Tensiunea bobinei | Polonii / Contacte | Price Level | Main Advantages |
| Schneider | LC1F1250MD | 1250O | 220VDC | 3P / 3NU | Ridicat | Heavy-duty design, drawer-type coil, easy maintenance |
| Schneider Alternative | LC1G1250MD | 1250O | 220VDC | 3P / 3NU | Mijloc-înalt | TeSys Giga series, upgraded replacement for LC1F |
| Siemens | 3TF5544-0XM0 | 1250O | 220VDC | 3P / 3NU | Ridicat | Full series compatibility, seamless S7 PLC connection |
| ABB | A1450-30-11 | 1250O | 220VDC | 3P / 3NU | Ridicat | Design modular, flexible auxiliary contact expansion |
| Mitsubishi | S-N1250 | 1250O | 220VDC | 3P / 3NU | Mijloc-înalt | Japanese quality, cost-performance |
| Eaton | DILM1250(220VDC) | 1250O | 220VDC | 3P / 3NU | la mijloc | Structură compactă, saves cabinet space |
- Ghid de selecție & Replacement Solutions
5.1 Core Selection Rules
Tip de încărcare: AC-1 (resistance furnace, încălzitor) → suitable for LC1F1250MD; AC-3 (motor) → operate with derating or select dedicated AC-3 contactor
Control Supply: 220VDC → choose MD suffix; 220VAC → choose M7 suffix; refer to Schneider coil code table for other voltages
Spațiu de instalare: Width 309mm, reserve sufficient cabinet space; for compact layout adopt LC1G series (smaller dimension)
Contacte auxiliare: No built-in auxiliary contacts by default; order LAD9 series auxiliary modules separately
Confortul de întreținere: Drawer-type coil structure; coil replacement without disconnecting main circuit wiring, ideal for frequent maintenance scenarios
5.2 Recommended Replacement Models
| Scenariul aplicației | Model recomandat | Motiv |
| Upgrade existing LC1F | LC1G1250MD | TeSys Giga upgraded series, performanță mai mare, more compact size, fully interchangeable |
| AC control power supply | LC1F1250M7 | Same main circuit parameters, 220VAC coil for AC control system |
| Controlul motorului (AC-3) | LC1F1250MD (derated to 800A) | Heavy-duty design, usable for AC-3 after derating; alternatively use LC1F1400 |
| Compact cabinet installation | ABB A1450-30-11 | Width 280mm, saves 29mm compared with LC1F1250MD |
| Budget limited | Mitsubishi S-N1250 | Japanese brand, 15-20% lower price than European brands with reliable performance |
| DC supply & frequent operation | LC1F1250MD + LAD9R220 | Surge suppressor protects coil and extends service life |
5.3 Key Technical Advantages
- Heavy-duty Construction: 1260Un curent nominal, 25kA short-time withstand capability, suitable for large industrial loads
- Drawer-type Coil: Independent coil module; replaceable without removing main circuit wiring, maintenance efficiency improved by 50%
- Wide Voltage Compatibility: Main circuit up to 690V AC / 460În DC, adaptable to various industrial power systems
- Global Approvals: Full CE/UL/CSA/CCC/UKCA certification for worldwide project deployment
- Eco Compliance: Green Premium certified, meets RoHS/REACh environmental standards for sustainable application
Schneider LC1F1250MD is a TeSys F Series 3-pole 1250A heavy-duty industrial contactor. Its core strengths are drawer-type DC coil design and high short-circuit withstand capability, perfectly suited for AC-1 non-inductive / slightly inductive loads such as resistance furnaces and heating equipment.
La selectare, focus on control supply type (220VDC), load category (AC-1 optimal), and installation space. For upgrade or replacement, prefer the new-generation TeSys Giga LC1G1250MD, or select LC1F1250M7 (220VAC) according to control power type.
Complete Model List of Schneider TeSys F (LC1F) Contactoare (Latest 2026 Version)
Classified by model naming rule, current rating, coil code, full model list and selection guide. Covers all LC1F specifications including 3-pole / 4-pol, AC / bobină DC, standard / wide voltage versions for heavy-duty industrial control.
- LC1F Model Naming Rule
Format: LC1F[Evaluare curentă][Coil Code][Special Function]
| Segment | Descriere | Opțiuni & Explicaţie |
| LC | Product Category | Contactor product line |
| 1 | Contactor Type | 1 = Standard single contactor; 2 = Reversing contactor (forward/reverse) |
| F | Cod de serie | TeSys F Series heavy-duty type, 115A~2100A |
| [Evaluare curentă] | Curent nominal | 115/150/185/225/265/330/400/500/630/780/1000/1250/1400/1700/2100 |
| [Coil Code] | Tensiunea bobinei & Tip | First letter = voltage level; last letter = coil type (7=AC, D=DC) |
| [Special Function] | Optional Feature | S411 = Wide voltage coil (100-250V AC/DC); Blank = Standard version |
Exemplu:
LC1F1250MD → 1250A, 220VDC coil
LC1F265M7 → 265A, 220VAC coil
- Coil Voltage Code Table (General for Whole Series)
| Coil Code | Voltaj | Tip bobină | Aplicație |
| B6/B7 | 24V | AC (50/60Hz) | Safety control circuit, PLC output |
| C6/C7 | 36V | AC | Low-voltage safety location |
| E6/E7 | 48V | AC | Industrial control, small equipment |
| F6/F7 | 110V | AC | North America / Japan standard control system |
| M6/M7 | 220V | AC | China / Asia standard general control |
| P6/P7 | 230V | AC | European standard general control |
| Q6/Q7 | 380V | AC | Industrial high-voltage control, large equipment |
| R6/R7 | 400V | AC | European industrial 3-phase standard |
| S6/S7 | 415V | AC | Commonwealth national standard |
| U6/U7 | 440V | AC | North American industrial standard |
| BD | 24V | DC | Control DC, PLC output |
| CD | 36V | DC | DC low-voltage control |
| ED | 48V | DC | DC industrial control |
| FD | 110V | DC | DC control system |
| MD | 220V | DC | General DC control (most widely used) |
| PD | 230V | DC | European DC standard |
| QD | 380V | DC | DC high-voltage control |
| S411 | 100-250V | AC/DC Universal | Wide voltage for global projects |
- LC1F Full Current Ratings & Base Models
3P Standard Type (3P/3NO) for AC-1 resistive load and AC-3 motor load:
| Base Model | Rated Current AC-1@440V,40°C | AC-3 Current@400V | Matched Motor Power@400V AC-3 | Lăţime (mm) |
| LC1F115 | 115O | 115O | 55kW | 100 |
| LC1F150 | 150O | 150O | 75kW | 100 |
| LC1F185 | 185O | 185O | 90kW | 125 |
| LC1F225 | 225O | 225O | 110kW | 140 |
| LC1F265 | 265O | 265O | 132kW | 160 |
| LC1F330 | 330O | 330O | 160kW | 180 |
| LC1F400 | 400O | 400O | 200kW | 200 |
| LC1F500 | 500O | 500O | 250kW | 220 |
| LC1F630 | 630O | 630O | 315kW | 250 |
| LC1F780 | 780O | 780O | 375kW | 280 |
| LC1F1000 | 1000O | 1000O | 450kW | 300 |
| LC1F1250 | 1260O | 1250O | 560kW | 309 |
| LC1F1400 | 1400O | 1400O | 630kW | 320 |
| LC1F1700 | 1700O | 1700O | 750kW | 340 |
| LC1F2100 | 2100O | 2100O | 900kW | 360 |
4P Extended Type (4P/4NO): Model suffix with 4 (LC1F1154 ~ LC1F21004). Rated current same as 3P version, suitable for 4-wire systems.
- Complete LC1F Model List by Current
4.1 115A~265A Medium Power
| Model complet | Actual | Coil Spec | Polonii |
| LC1F115B6 | 115O | 24V și | 3P |
| LC1F115B7 | 115O | 24V și | 3P |
| LC1F115BD | 115O | 24În DC | 3P |
| LC1F115M7 | 115O | 220V și | 3P |
| LC1F115MD | 115O | 220În DC | 3P |
| LC1F150M7 | 150O | 220V și | 3P |
| LC1F150MD | 150O | 220În DC | 3P |
| LC1F185M7 | 185O | 220V și | 3P |
| LC1F185MD | 185O | 220În DC | 3P |
| LC1F225M7 | 225O | 220V și | 3P |
| LC1F225MD | 225O | 220În DC | 3P |
| LC1F265M7 | 265O | 220V și | 3P |
| LC1F265MD | 265O | 220În DC | 3P |
| LC1F265S411 | 265O | 100-250V AC/DC | 3P |
4.2 330A~780A High Power
| Model complet | Actual | Coil Spec | Polonii |
| LC1F330M7 | 330O | 220V și | 3P |
| LC1F330MD | 330O | 220În DC | 3P |
| LC1F400M7 | 400O | 220V și | 3P |
| LC1F400MD | 400O | 220În DC | 3P |
| LC1F500M7 | 500O | 220V și | 3P |
| LC1F500MD | 500O | 220În DC | 3P |
| LC1F630M7 | 630O | 220V și | 3P |
| LC1F630MD | 630O | 220În DC | 3P |
| LC1F780M7 | 780O | 220V și | 3P |
| LC1F780MD | 780O | 220În DC | 3P |
4.3 1000A~2100A Super High Power
| Model complet | Actual | Coil Spec | Polonii | Observații |
| LC1F1000M7 | 1000O | 220V și | 3P | — |
| LC1F1000MD | 1000O | 220În DC | 3P | — |
| LC1F1250M7 | 1250O | 220V și | 3P | Popular model |
| LC1F1250MD | 1250O | 220În DC | 3P | Popular model |
| LC1F1400M7 | 1400O | 220V și | 3P | Drawer coil type |
| LC1F1400MD | 1400O | 220În DC | 3P | Drawer coil type |
| LC1F1700M7 | 1700O | 220V și | 3P | Drawer coil type |
| LC1F1700MD | 1700O | 220În DC | 3P | Drawer coil type |
| LC1F2100M7 | 2100O | 220V și | 3P | Drawer coil type |
| LC1F2100MD | 2100O | 220În DC | 3P | Drawer coil type |
| LC1F2100S411P7 | 2100O | 100-250V și | 3P | Wide voltage version |
4.4 4-Pole Series (Suffix with 4)
| Model complet | Actual | Coil Spec | Polonii | Aplicație |
| LC1F1154M7 | 115O | 220V și | 4P | 4-sistem de sârmă |
| LC1F1854MD | 185O | 220În DC | 4P | 3-phase 4-wire |
| LC1F2654M7 | 265O | 220V și | 4P | Load with neutral line |
| LC1F4004MD | 400O | 220În DC | 4P | 4-pole protection system |
- Reversing Contactor Models (LC2F Series)
LC2F = Reversing type for motor forward/reverse control with mechanical interlock to prevent simultaneous closing:
| Model complet | Actual | Coil Spec | Polonii | Interlock Type |
| LC2F115M7 | 115O | 220V și | 3P+3P | Mechanical interlock |
| LC2F185MD | 185O | 220În DC | 3P+3P | Mechanical interlock |
| LC2F265M7 | 265O | 220V și | 3P+3P | Mechanical interlock |
| LC2F400MD | 400O | 220În DC | 3P+3P | Mechanical interlock |
- Înlocuire model & Upgrade Guide
- LC1F Upgrade: Replace LC1F with LC1G (TeSys Giga); more compact size, 30% performance improvement, fully interchangeable mounting and wiring.
- Coil Replacement: Same current rating different coils are interchangeable (de ex. LC1F1250M7 ↔ LC1F1250MD, only coil module replaced).
- Load Application:
AC-1 resistive load: Use 100% curent nominal
AC-3 motor load: Use 100% curent nominal (LC1F designed for heavy duty)
AC-4 frequent starting: Derate de 30%
- Wide Voltage Requirement: Select S411 suffix model, compatible with 100-250V AC/DC global control power supply.
- Tabel de selecție rapidă
| Scenariul aplicației | Model recomandat | Key Reason |
| 55kW motor control @400V | LC1F115M7 | Matched power, rentabil |
| 110kW motor control @400V | LC1F225M7 | Heavy-duty design, stable operation |
| 560kW resistance furnace | LC1F1250MD | 1260Un curent nominal, Control DC |
| Global multi-voltage project | LC1F265S411 | Wide voltage adaption, no coil replacement needed |
| DC control system | LC1FxxxMD | bobină DC, strong anti-interference |
| 4-wire distribution system | LC1Fxxx4M7 | 4-pole design for neutral circuit |
| Frequent maintenance site | LC1F1400MD+ | Drawer-type coil structure, easy maintenance |
![NXC-65 from the Kunlun Series by CHINT Electric is a 3-pole AC contactor, rated at 65A in the NXC series. The full model is typically expressed as NXC-65 [Coil Voltage] [Frequency]](https://www.bestcontactor.com/wp-content/uploads/2026/04/ScreenShot_2026-01-30_132315_324-419x560.png "NXC-65 din seria Kunlun de la CHINT Electric este un contactor AC cu 3 poli, evaluat la 65A în seria NXC. Modelul complet este de obicei exprimat ca NXC-65 [Tensiunea bobinei] [Frecvenţă]")
