Schneider LC1D245M5C Contactor

Интерпретация модели

1. Core Technical Parameters ⚙️
2. Basic Specifications

Номер полюса: 3П (3-столб, 3NO normally open)

Utilization Category: AC-1 (резистивная нагрузка), АС-3 (direct-on-line starting of squirrel-cage motors)

Номинальное рабочее напряжение: Up to 660V AC

Номинальное напряжение изоляции: 1000В и

Rated Impulse Withstand Voltage: 8kV

Номинальный рабочий ток (Т.е.): 245А (АС-3, 400В, cosφ=0.85)

2. Coil Parameters

Напряжение катушки: 220V AC 50Hz

Потребляемая мощность катушки: 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

3. Electrical and Mechanical Service Life

Механический срок службы: До 20 миллион операций

Electrical Service Life: Примерно 1 million operations at AC-3 400V, 2 million operations at AC-1

Rated Short-time Withstand Current (Icw): 210А (1с), 105А (10с), 30А (10min)

4. Installation and Dimensions

Способ монтажа: Standard 35mm DIN rail mounting or screw fixing

Mounting Depth: Approximately 150mm

Ширина: Approximately 108mm (245A specification)

Масса: Approximately 4.5kg

III. Performance Features

1. High-efficiency Arc Extinguishing: Dual-break electric arc extinguishing + longitudinal slot arc extinguishing design ensures reliable breaking
2. Модульная конструкция: Flexible installation of auxiliary contact modules (LADN series), pneumatic time-delay heads, mechanical interlocks and other accessories
3. Reliable Connection: Adopts EverLink™ patented terminal technology to prevent conductor creep-induced loosening
4. Wide Temperature Adaptability: Operating temperature range from -25℃ to +55℃, storage temperature range from -40℃ to +70℃
5. Complete Certifications: CCC, CE, UL, CSA and other international certifications
6. Сценарии применения
7. Управление двигателем: Direct starting and operation control of squirrel-cage motors with rated power of 110kW (AC-3 400V)
8. Энергетическая система: Making and breaking circuits with AC 50Hz/60Hz and rated voltage up to 660V
9. Industrial Equipment: Used for controlling heavy-duty loads such as fans, water pumps and compressors
10. Combination with Thermal Overload Relays: Can be combined with thermal overload relays (например, серия ЛРД) to form magnetic starters for overload protection
11. Selection and Replacement

Альтернативные модели: LC1D245M7C (50/60Hz universal coil), LC1D245Q5C (380V coil)

Matching Accessories:

Вспомогательные контакты: LADN04 (4НЕТ), LADN22 (2НО+2НЗ), и т. д..

Thermal Overload Relays: LRD3363C (230-320А), LRD3359C (170-230А)

Mechanical Interlocks: LADS2 (for reversible contactors)

1. Точки установки и обслуживания
2. Inspect product integrity before installation and verify that the model and parameters meet design requirements
3. Use copper lugs for main circuit terminals during wiring to ensure firm connection
4. Install fuses or circuit breakers for control circuit protection (6A recommended)
5. Regularly inspect contact ablation; replace the main contacts when wear exceeds 1mm
6. Keep the contactor clean to prevent dust and oil contamination from affecting its operating performance

VII. Краткое содержание

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.