คอนแทคเตอร์,เบรกเกอร์,อินเวอร์เตอร์พลังงานแสงอาทิตย์,มิเตอร์ไฟฟ้า,แบตเตอรี่พลังงานแสงอาทิตย์
การตีความแบบจำลอง
| Model Segment | Meaning |
| LC1 | Schneider Standard AC Contactor Series |
| ดี | TeSys D Platform (Domestic High-current Series) |
| 245 | Rated Operating Current 245A (at AC-3 400V) |
| M | Coil Voltage Code, representing AC 220V |
| 5 | Coil Frequency Code, representing 50Hz (Code 7 indicates universal compatibility with 50/60Hz) |
| C | Domestic Version Identifier |
- Core Technical Parameters ⚙️
- Basic Specifications
หมายเลขขั้วโลก: 3ป (3-เสา, 3NO normally open)
Utilization Category: AC-1 (resistive load), AC-3 (direct-on-line starting of squirrel-cage motors)
จัดอันดับแรงดันไฟฟ้าที่ใช้งาน: กระแสไฟสูงสุด 660V AC
Rated Insulation Voltage: 1000วีและ
Rated Impulse Withstand Voltage: 8kV
Rated Operating Current (Ie): 245ก (AC-3, 400วี, cosφ=0.85)
- Coil Parameters
แรงดันไฟฟ้าคอยล์: 220V AC 50Hz
Coil Power Consumption: Approximately 140VA for pull-in, 25VA for holding
Control Circuit Voltage Range: 85%-110% of rated voltage (for reliable pull-in)
Release Voltage: ≤75% of rated voltage
- Electrical and Mechanical Service Life
Mechanical Service Life: ขึ้นไป 20 ล้านการดำเนินงาน
Electrical Service Life: ประมาณ 1 million operations at AC-3 400V, 2 million operations at AC-1
Rated Short-time Withstand Current (ไอซีดับบลิว): 210ก (1ส), 105ก (10ส), 30ก (10min)
- การติดตั้งและขนาด
วิธีการติดตั้ง: Standard 35mm DIN rail mounting or screw fixing
Mounting Depth: Approximately 150mm
Width: Approximately 108mm (245A specification)
น้ำหนัก: Approximately 4.5kg
III. Performance Features
- High-efficiency Arc Extinguishing: Dual-break electric arc extinguishing + longitudinal slot arc extinguishing design ensures reliable breaking
- การออกแบบโมดูลาร์: Flexible installation of auxiliary contact modules (LADN series), 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: CCC, CE, แอล, CSA and other international certifications
- สถานการณ์การใช้งาน
- การควบคุมมอเตอร์: 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
- อุปกรณ์อุตสาหกรรม: Used for controlling heavy-duty loads such as fans, water pumps and compressors
- Combination with Thermal Overload Relays: Can be combined with thermal overload relays (เช่น, LRD series) to form magnetic starters for overload protection
- Selection and Replacement
Alternative Models: LC1D245M7C (50/60Hz universal coil), LC1D245Q5C (380V coil)
Matching Accessories:
ติดต่อเสริม: LADN04 (4เลขที่), LADN22 (2NO+2NC), ฯลฯ.
Thermal Overload Relays: LRD3363C (230-320ก), LRD3359C (170-230ก)
Mechanical Interlocks: LADS2 (for reversible contactors)
- Installation and Maintenance Points
- 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 (6A recommended)
- 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
ปกเกล้าเจ้าอยู่หัว. สรุป
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.
