المقاولين,قاطع الدائرة,العاكس للطاقة الشمسية,عداد كهرباء,البطاريات الشمسية
تفسير النموذج
| الجزء النموذجي | معنى |
| LC1 | Schneider Standard AC Contactor مسلسل |
| د | TeSys D Platform (Domestic High-current Series) |
| 245 | Rated Operating Current 245A (at AC-3 400V) |
| م | Coil Voltage Code, representing AC 220V |
| 5 | Coil Frequency Code, representing 50Hz (شفرة 7 indicates universal compatibility with 50/60Hz) |
| ج | Domestic Version Identifier |
- Core Technical Parameters ⚙️
- المواصفات الأساسية
رقم القطب: 3ص (3-القطب, 3لا مفتوحة عادة)
Utilization Category: ايه سي-1 (حمل مقاوم), ايه سي-3 (direct-on-line starting of squirrel-cage motors)
تصنيف جهد التشغيل: Up to 660V AC
تصنيف الجهد العزل: 1000الخامس و
الدافع المقدر لتحمل الجهد: 8كيلو فولت
تصنيف التشغيل الحالي (أي): 245أ (ايه سي-3, 400V, cosφ=0.85)
- معلمات الملف
الجهد لفائف: 220V AC 50Hz
استهلاك طاقة الملف: Approximately 140VA for pull-in, 25VA for holding
Control Circuit Voltage Range: 85%-110% من الجهد المقنن (for reliable pull-in)
Release Voltage: ≤75% of rated voltage
- Electrical and Mechanical Service Life
عمر الخدمة الميكانيكية: Up to 20 مليون عملية
عمر الخدمة الكهربائية: تقريبًا 1 million operations at AC-3 400V, 2 million operations at AC-1
تصنيف وقت قصير الصمود الحالي (اي سي دبليو): 210أ (1ق), 105أ (10ق), 30أ (10دقيقة)
- التثبيت والأبعاد
طريقة التركيب: Standard 35mm DIN rail mounting or screw fixing
Mounting Depth: Approximately 150mm
عرض: Approximately 108mm (245مواصفات)
وزن: Approximately 4.5kg
ثالثا. ميزات الأداء
- High-efficiency Arc Extinguishing: Dual-break electric arc extinguishing + longitudinal slot arc extinguishing design ensures reliable breaking
- تصميم وحدات: Flexible installation of auxiliary contact modules (سلسلة لادن), pneumatic time-delay heads, mechanical interlocks and other accessories
- Reliable Connection: Adopts EverLink™ patented terminal technology to prevent conductor creep-induced loosening
- Wide Temperature Adaptability: Operating temperature range from -25℃ to +55℃, storage temperature range from -40℃ to +70℃
- Complete Certifications: سي سي سي, م, أول, CSA and other international certifications
- سيناريوهات التطبيق
- التحكم في المحركات: Direct starting and operation control of squirrel-cage motors with rated power of 110kW (AC-3 400V)
- Power System: Making and breaking circuits with AC 50Hz/60Hz and rated voltage up to 660V
- المعدات الصناعية: Used for controlling heavy-duty loads such as fans, مضخات المياه والضواغط
- Combination with Thermal Overload Relays: Can be combined with thermal overload relays (على سبيل المثال, سلسلة إل آر دي) to form magnetic starters for overload protection
- Selection and Replacement
نماذج بديلة: LC1D245M7C (50/60Hz universal coil), LC1D245Q5C (380V coil)
Matching Accessories:
جهات الاتصال المساعدة: لادن04 (4لا), LADN22 (2لا + 2NC), إلخ.
Thermal Overload Relays: LRD3363C (230-320أ), LRD3359C (170-230أ)
Mechanical Interlocks: LADS2 (for reversible contactors)
- نقاط التثبيت والصيانة
- Inspect product integrity before installation and verify that the model and parameters meet design requirements
- Use copper lugs for main circuit terminals during wiring to ensure firm connection
- Install fuses or circuit breakers for control circuit protection (6موصى به)
- Regularly inspect contact ablation; replace the main contacts when wear exceeds 1mm
- Keep the contactor clean to prevent dust and oil contamination from affecting its operating performance
سابعا. ملخص
Schneider LC1D245M5C is a 245A 3-pole AC contactor in the TeSys D series, suitable for 220V 50Hz control circuits. It is mainly used for controlling three-phase squirrel-cage motors below 110kW or other heavy-duty loads. Its long mechanical and electrical service life, modular design and reliable performance make it an ideal choice in the field of industrial automation.
