Auf einen Blick: The Schneider Electric LC1D25 is a TeSys D series 3-pole 25A AC-Schütz, suitable for AC-3 motor control (11kW/15HP at 400V). Standard width: 45mm. Supports DIN rail and screw mounting. Coil voltages available in multiple AC/DC ratings. Matching thermal overload relays: LRD16‑LRD32. Cross-brand replacements include ABB A16-30-10, Siemens 3RT6026-1AN20, usw.
- Part Number Interpretation
Basismodell: LC1D25
Full model format: LC1D25[Hilfskontakte][Spulenspannung][Frequenz][Besondere Merkmale]
| Code | Bedeutung | Beispiel |
| LC1D | TeSys D series standard AC contactor | – |
| 25 | Rated operational current 25A (AC-3, 400V) | – |
| 2010/1/11 | Hilfskontaktkonfiguration: 1NO/0NC, 0NO/1NC, 1NO/1NC | LC1D2510M7C (1NEIN) |
| M/Q/B/P | Spulenspannungscode: M=AC220V, Q=AC380V, B=AC24V, P=AC230V | LC1D2510M7C (AC220V) |
| 7月5日 | Frequenz: 7=50/60Hz universell, 5=nur 50Hz | LC1D2510M7C (Universal-) |
| C/BL | Special features: C=Standard, BL=low-power | LC1D2510M7C (Standard) |
- Wichtige Spezifikationen
2.1 Hauptstromkreisparameter
| Parameter | Wert | Notizen |
| Polen | 3-Pole (3NEIN) | Standardkonfiguration |
| Bemessungsbetriebsstrom (AC-3, 400V) | 25A | Typisch für die Motorsteuerung |
| Bemessungsbetriebsstrom (AC‑1, 690V) | 40A | Widerstandslast |
| Nennbetriebsspannung | ≤690 V Wechselstrom, ≤300V DC | Hauptstromkreis |
| Motorleistung (400V 3-phasig) | 11kW (15PS) | AC-3-Dienst |
| Motorleistung (220V 3-phasig) | 5.5kW (7.5PS) | AC-3-Dienst |
| Bemessungsisolationsspannung | 1000V | IEC-Standard |
| Bemessungsstoßspannungsfestigkeit | 8kV | – |
2.2 Parameter des Steuerkreises
| Parameter | Wert | Notizen |
| Spulenspannungsbereich | AC24V~400V, DC24V~220V | Mehrere Optionen verfügbar |
| Coil power | Einbruch: ≤9.5VA, Halten: ≤2VA | Standardversion; lower for low-power type |
| Aufnahmespannung | 85%~100% Un | – |
| Abfallspannung | 20%~75% Un | – |
| Betriebsfrequenz | Bis zu 3600 Operationen/Stunde | AC-3-Dienst |
2.3 Mechanisch & Mounting Parameters
| Parameter | Wert | Notizen |
| Abmessungen | 45×85×92mm (without cover) / 45×85×101mm (with cover) | Common for LC1D25–LC1D38 |
| Montage | 35mm DIN-Schienen- oder Schraubmontage | Both compatible |
| Gewicht | Ca. 370G | Standardversion |
| Schutzgrad | IP20 | Body only |
| Betriebstemperatur | -5℃~+60℃ | Wide-temperature version available |
| Mechanical durability | ≥10 Millionen Operationen | No-load |
| Electrical durability | ≥1 Million Operationen | At rated AC-3 conditions |
- Auswahlhilfe
3.1 Lasttypanpassung
AC-3 (Motorsteuerung): Direct use for motors up to 25A, max. 11kW bei 400V
AC-1 (ohmsche Last): Up to 40A, suitable for heaters, Beleuchtung, usw.
DC load: Confirm DC rating; derating to ≤70% of AC rating recommended
3.2 Auswahl der Spulenspannung
| Anwendung | Recommended coil voltage | Vorteil |
| Industrielle Automatisierung | AC220V (M7) / AC380V (F7) | Matches common factory voltages |
| Safety control circuits | AC24V (B7) / DC24V | Safety extra-low voltage |
| DC systems | DC24V~110V | Reduces electromagnetic interference |
3.3 Hilfskontaktverlängerung
Standard: 1NEIN + 1NC built-in auxiliary contacts
Erweiterung: Add LAD series auxiliary modules; up to 4NO + 4NC
3.4 Schutzkoordination
Überlastschutz: Use with LRD16‑LRD32 thermal overload relays (Einstellung: 6.4~32A)
Kurzschlussschutz: Recommended C65N‑D/3P 32A or NSX series circuit breakers
Surge suppression: RC snubber for AC coils; freewheeling diode for DC coils
3.5 Montage & Wärmeableitung
Vertikal montieren; keep ≥5mm above/below, ≥2mm left/right
Derate 10–15% for side-by-side installation
Above 40°C, derate approx. 1% per °C increase
- Markenübergreifender Ersatz
| Marke | Direkter Ersatz | Key Comparison |
| ABB | A16-30-10 (16A) / A26-30-10 (26A) | Gleiche Abmessungen; A26 closer to 25A |
| Siemens | 3RT6026-1AN20 (25A) | Identische Montage, 1NO+1NC |
| Mitsubishi | S-T25 (25A) | Standard 3-pole, AC220V/380V coils |
| LS | GMC-22 (22A) / GMC-32 (32A) | Kostengünstig; GMC-32 for heavy duty |
| Chint | NC1-2510 (25A) | Inländische Alternative, cost advantage |
- Common Full Models & Anwendungen
| Vollständiges Modell | Beschreibung | Typische Anwendung |
| LC1D2510M7C | 3P 25A, 1NEIN, AC220V coil, 50/60Hz | Wasserpumpen, Fans |
| LC1D2501Q7C | 3P 25A, 1NC, AC380V coil, 50/60Hz | Kompressoren, Förderer |
| LC1D2511B7C | 3P 25A, 1NO+1NC, AC24V coil | Safety circuits, Not-Aus |
| LC1D25BL | 3P 25A, low-power DC24V coil | Battery systems, energy-saving equipment |
Schneider Electric LC1D25 Contactor Mounting Dimensions Manual
Auf einen Blick: Standard dimensions: W45mm × H85mm × D92mm (without cover) / D101mm (with cover). Fits 35mm standard DIN rail. Schraubmontage: 2×M4 slotted holes, horizontal center distance 35mm, vertical center distance 60–70mm adjustable.
- Basic Outline Dimensions (B×H×T)
| Konfiguration | Abmessungen (mm) | Abmessungen (In) | Notizen |
| Without cover | 45 × 85 × 92 | 1.77 × 3.35 × 3.62 | Standard bare version |
| With cover | 45 × 85 × 101 | 1.77 × 3.35 × 3.98 | With safety cover |
| Low-power type | 45 × 85 × 99 | 1.77 × 3.35 × 3.90 | z.B., LC1D25BL |
Breite 45 mm: Common for LC1D25–LC1D38, kompakte Montage
Height 85mm: Base height without top auxiliary modules
Tiefe: Varies slightly by cover/coil; refer to actual unit
- Montagemethoden & Detailed Dimensions
2.1 DIN-Schienenmontage (Empfohlen)
Fits 35mm standard DIN rail (IN 60715)
Locks onto center rear of contactor
Vertikal montieren (coil downward) for best cooling and stability
Freigabe: ≥5mm top/bottom, ≥2mm left/right; derate 10–15% side-by-side
2.2 Screw Mounting
| Parameter | Wert | Notizen |
| Mounting holes | 2×M4 slotted holes | For M4×8 or M4×10 screws |
| Horizontal center distance | 35mm | Behoben |
| Vertical center distance | 60–70mm | Slotted for adjustment |
| Dicke der Montageplatte | 1.5–3mm | Galvanized steel or insulation plate |
| Anzugsdrehmoment | 1.2–1.5N·m | Avoid damage |
- Add-On Module Dimensions
Top auxiliary modules (LAD series): W45mm, H≈20mm, depth unchanged
Side auxiliary modules: +≈18mm width per module, H and D unchanged
Thermal overload relays (LRD16‑LRD32): W45mm, H72.5mm, D79.9mm, direct snap-on
- Mounting Precautions
- Umgebungstemperatur: -5℃~+60℃; Leistungsreduzierung über 40℃
- Avoid high vibration, starker Staub, corrosive gases
- Terminals: Hauptstromkreis (L1/L2/L3, T1/T2/T3) downward; Spule (A1/A2) on right
- Leave gaps between adjacent contactors for ventilation
Schütz,Leistungsschalter,Solarwechselrichter,Stromzähler,Solarbatterien















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