المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
At a glance: The Schneider Electric LC1D25 is a TeSys D series 3-pole 25A موصل التيار المتردد, suitable for AC-3 motor control (11kW/15HP at 400V). Standard width: 45مم. 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, إلخ.
- Part Number Interpretation
Base model: LC1D25
Full model format: LC1D25[جهات الاتصال المساعدة][الجهد لفائف][تكرار][Special Features]
| Code | معنى | Example |
| LC1D | TeSys D series standard AC contactor | – |
| 25 | Rated operational current 25A (ايه سي-3, 400V) | – |
| 2010/1/11 | Auxiliary contact configuration: 1NO/0NC, 0NO/1NC, 1NO/1NC | LC1D2510M7C (1لا) |
| M/Q/B/P | رمز الجهد لفائف: M=AC220V, Q=AC380V, B=AC24V, P=AC230V | LC1D2510M7C (تيار متردد 220 فولت) |
| 7月5日 | تكرار: 7=50/60Hz universal, 5=50Hz only | LC1D2510M7C (universal) |
| C/BL | Special features: C=standard, BL=low-power | LC1D2510M7C (معيار) |
- Key Specifications
2.1 Main Circuit Parameters
| المعلمة | قيمة | ملحوظات |
| البولنديين | 3-القطب (3لا) | Standard configuration |
| Rated operational current (AC‑3, 400V) | 25أ | Typical for motor control |
| Rated operational current (AC‑1, 690V) | 40أ | حمل مقاوم |
| Rated operational voltage | ≤690V AC, ≤300V DC | الدائرة الرئيسية |
| Motor power (400V 3-phase) | 11كيلوواط (15HP) | AC-3 duty |
| Motor power (220V 3-phase) | 5.5كيلوواط (7.5HP) | AC-3 duty |
| تصنيف الجهد العزل | 1000V | IEC standard |
| Rated impulse withstand voltage | 8كيلو فولت | – |
2.2 Control Circuit Parameters
| المعلمة | قيمة | ملحوظات |
| Coil voltage range | AC24V~400V, DC24V~220V | خيارات متعددة متاحة |
| Coil power | Inrush: ≤9.5VA, Holding: ≤2VA | Standard version; lower for low-power type |
| Pick-up voltage | 85%~100% Un | – |
| Drop-out voltage | 20%~75% Un | – |
| Operating frequency | Up to 3600 operations/hour | AC-3 duty |
2.3 ميكانيكية & Mounting Parameters
| المعلمة | قيمة | ملحوظات |
| أبعاد | 45×85×92mm (without cover) / 45×85×101mm (with cover) | Common for LC1D25–LC1D38 |
| Mounting | 35mm DIN rail or screw mounting | Both compatible |
| وزن | تقريبا. 370ز | Standard version |
| Protection degree | IP20 | Body only |
| درجة حرارة التشغيل | -5℃~+60℃ | Wide-temperature version available |
| Mechanical durability | ≥10 million operations | No-load |
| Electrical durability | ≥1 million operations | At rated AC-3 conditions |
- Selection Guide
3.1 Load Type Matching
ايه سي-3 (motor control): Direct use for motors up to 25A, الأعلى. 11kW at 400V
ايه سي-1 (حمل مقاوم): Up to 40A, suitable for heaters, إضاءة, إلخ.
DC load: Confirm DC rating; derating to ≤70% of AC rating recommended
3.2 Coil Voltage Selection
| Application | Recommended coil voltage | Advantage |
| Industrial automation | تيار متردد 220 فولت (M7) / تيار متردد 380 فولت (Q7) | Matches common factory voltages |
| Safety control circuits | تيار متردد 24 فولت (B7) / DC24V | Safety extra-low voltage |
| أنظمة العاصمة | DC24V~110V | Reduces electromagnetic interference |
3.3 Auxiliary Contact Extension
معيار: 1لا + 1NC built-in auxiliary contacts
Expansion: Add LAD series auxiliary modules; up to 4NO + 4نورث كارولاينا
3.4 Protection Coordination
حماية الزائد: Use with LRD16‑LRD32 thermal overload relays (setting: 6.4~32A)
حماية ماس كهربائى: Recommended C65N‑D/3P 32A or NSX series circuit breakers
قمع الطفرة: RC snubber for AC coils; freewheeling diode for DC coils
3.5 Mounting & Heat Dissipation
Mount vertically; keep ≥5mm above/below, ≥2mm left/right
Derate 10–15% for side-by-side installation
Above 40°C, derate approx. 1% per °C increase
- Cross-Brand Replacements
| ماركة | Direct Replacement | Key Comparison |
| ايه بي بي | A16-30-10 (16أ) / A26-30-10 (26أ) | Same dimensions; A26 closer to 25A |
| سيمنز | 3RT6026-1AN20 (25أ) | Identical mounting, 1NO+1NC |
| ميتسوبيشي | S-T25 (25أ) | Standard 3-pole, AC220V/380V coils |
| LS | GMC-22 (22أ) / GMC-32 (32أ) | Cost-effective; GMC-32 for heavy duty |
| شينت | NC1-2510 (25أ) | Domestic alternative, cost advantage |
- Common Full Models & Applications
| Full Model | وصف | Typical Application |
| LC1D2510M7C | 3P 25A, 1لا, AC220V coil, 50/60هرتز | Water pumps, المشجعين |
| LC1D2501Q7C | 3P 25A, 1نورث كارولاينا, AC380V coil, 50/60هرتز | Compressors, conveyors |
| LC1D2511B7C | 3P 25A, 1NO+1NC, AC24V coil | Safety circuits, E-stop |
| LC1D25BL | 3P 25A, low-power DC24V coil | Battery systems, energy-saving equipment |
Schneider Electric LC1D25 Contactor Mounting Dimensions Manual
At a glance: Standard dimensions: W45mm × H85mm × D92mm (without cover) / D101mm (with cover). Fits 35mm standard DIN rail. تركيب المسمار: 2×M4 slotted holes, horizontal center distance 35mm, vertical center distance 60–70mm adjustable.
- Basic Outline Dimensions (W×H×D)
| Configuration | أبعاد (مم) | أبعاد (in) | ملحوظات |
| 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 | على سبيل المثال, LC1D25BL |
Width 45mm: Common for LC1D25–LC1D38, compact mounting
Height 85mm: Base height without top auxiliary modules
Depth: Varies slightly by cover/coil; refer to actual unit
- طرق التركيب & Detailed Dimensions
2.1 تركيب السكك الحديدية DIN (مُستَحسَن)
Fits 35mm standard DIN rail (في 60715)
Locks onto center rear of contactor
Mount vertically (coil downward) for best cooling and stability
Clearance: ≥5mm top/bottom, ≥2mm left/right; derate 10–15% side-by-side
2.2 Screw Mounting
| المعلمة | قيمة | ملحوظات |
| Mounting holes | 2×M4 slotted holes | For M4×8 or M4×10 screws |
| Horizontal center distance | 35مم | مُثَبَّت |
| Vertical center distance | 60–70mm | Slotted for adjustment |
| Mounting plate thickness | 1.5–3mm | Galvanized steel or insulation plate |
| Tightening torque | 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
- Ambient temperature: -5℃~+60℃; derate above 40℃
- Avoid high vibration, heavy dust, corrosive gases
- Terminals: الدائرة الرئيسية (L1/L2/L3, T1/T2/T3) downward; coil (A1/A2) on right
- Leave gaps between adjacent contactors for ventilation
