Schneider LC1F1250MD Contactor

Definition of each part of LC1F1250MD:

コアの違い:

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.

2. 主要な技術仕様

3. 付属品一覧

3.1 Standard Accessories

Contactor main unit LC1F1250MD ×1

Mounting fasteners (DIN rail clip / ボルト) ×1

取扱説明書 (electronic version) ×1

Coil surge suppressor (オプション, separate order required)

3.2 オプションのアクセサリ (Sold Separately)

4. 競合他社 & ブランド間の同等品

5. 選定ガイドライン & Replacement Solutions

5.1 Core Selection Rules

負荷の種類: AC-1 (resistance furnace, ヒータ) → suitable for LC1F1250MD; AC-3 (モーター) → 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

設置スペース: Width 309mm, reserve sufficient cabinet space; for compact layout adopt LC1G series (smaller dimension)

補助接点: No built-in auxiliary contacts by default; order LAD9 series auxiliary modules separately

メンテナンスの利便性: Drawer-type coil structure; coil replacement without disconnecting main circuit wiring, ideal for frequent maintenance scenarios

5.2 Recommended Replacement Models

5.3 Key Technical Advantages

1. Heavy-duty Construction: 1260定格電流, 25kA short-time withstand capability, suitable for large industrial loads
2. Drawer-type Coil: Independent coil module; replaceable without removing main circuit wiring, maintenance efficiency improved by 50%
3. Wide Voltage Compatibility: Main circuit up to 690V AC / 460ワシントンDCで, adaptable to various industrial power systems
4. Global Approvals: Full CE/UL/CSA/CCC/UKCA certification for worldwide project deployment
5. Eco Compliance: グリーンプレミアム認定, 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.

選択時, 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) コンタクタ (最新 2026 バージョン)

Classified by model naming rule, current rating, coil code, full model list and selection guide. Covers all LC1F specifications including 3-pole / 4-ポール, 交流 / DCコイル, 標準 / wide voltage versions for heavy-duty industrial control.

1. LC1F Model Naming Rule

Format: LC1F[電流定格][Coil Code][特別な機能]

例:

LC1F1250MD → 1250A, 220VDCコイル

LC1F265M7 → 265A, 220VAC coil

2. Coil Voltage Code Table (General for Whole Series)

3. LC1F Full Current Ratings & Base Models

3P Standard Type (3P/3NO) for AC-1 resistive load and AC-3 motor load:

4P Extended Type (4P/4NO): Model suffix with 4 (LC1F1154 ~ LC1F21004). Rated current same as 3P version, suitable for 4-wire systems.

4. Complete LC1F Model List by Current

4.1 115A~265A Medium Power

4.2 330A~780A High Power

4.3 1000A~2100A Super High Power

4.4 4-Pole Series (Suffix with 4)

5. Reversing Contactor Models (LC2F Series)

LC2F = Reversing type for motor forward/reverse control with mechanical interlock to prevent simultaneous closing:

6. Model Replacement & Upgrade Guide
7. LC1F Upgrade: Replace LC1F with LC1G (TeSys Giga); more compact size, 30% performance improvement, fully interchangeable mounting and wiring.
8. Coil Replacement: Same current rating different coils are interchangeable (例えば. LC1F1250M7 ↔ LC1F1250MD, only coil module replaced).
9. Load Application:

AC-1 resistive load: 使用 100% 定格電流

AC-3 motor load: 使用 100% 定格電流 (LC1F designed for heavy duty)

AC-4 frequent starting: Derate by 30%

4. Wide Voltage Requirement: Select S411 suffix model, compatible with 100-250V AC/DC global control power supply.
5. Quick Selection Chart