Контактор,автоматический выключатель,солнечный инвертор,электрический счетчик,солнечные батареи
3-pole AC contactor, rated current 115A (АС-3), 220VAC coil, 1NO+1NC auxiliary contacts, винтовые клеммы
Номер заказа: LC1D11500M7C (full model), LC1D115M7C (abbreviated model)
Domestic TeSys D series, phased out (launched in July 2025). Recommended replacements: LC1D115KUEC or LC1E120M5N
Complete certifications: UL, CSA, МЭК, CCC, ЕАС, и т. д.. Compliant with RoHS/REACh standards
- Пояснение кода модели
| Сегмент | Код | Описание |
| Категория продукта | LC1 | Contactor series |
| Construction Type | Д | TeSys D Series (Domestic high-current type) |
| Номинальный ток | 115 | Rated operational current 115A (АС-3, ≤440 В) |
| Вспомогательные контакты | 0 | Стандартная конфигурация: 1НЕТ + 1Вспомогательные контакты НЗ |
| Coil Rating | М | 220VAC coil voltage |
| Frequency Code | 7 | Universal coil for 50/60Hz |
| Manufacturing Code | С | Manufactured by SSIC (диапазон: 9~620A) |
Полная модель: LC1D11500M7C (official standard model), Abbreviated Model: LC1D115M7C
- Основные характеристики
| Категория | Подробности |
| Основные параметры | 3-столб (3П), 3НЕТ главных контактов, 1NO+1NC auxiliary contacts, screw terminal connection |
| Номинальный ток | АС-1: 200А (≤440 В, ≤60°C); АС-3: 115А (≤440 В, ≤60°C) |
| Номинальное напряжение | Главная цепь: ≤1000VAC; Схема управления: 220ВАК, 50/60Гц |
| Motor Control Rating | 30кВт (220~230V), 55кВт (380~400V), 75кВт (500В) |
| Механическая жизнь | 10 миллион операций (АС-3), 10 миллион операций (АС-1) |
| Электрическая жизнь | 1 million operations at rated current (АС-3), 1 million operations at rated current (АС-1) |
| Характеристики катушки | Pick-up power: 1200Вирджиния; Holding power: 120Вирджиния; Impedance: 0.6МОм |
| Монтаж | 35mm DIN rail mounting or direct panel mounting |
| Размеры & Масса | Высота: 158мм; Ширина: 120мм; Глубина: 136мм; Масса: приблизительно. 2.5кг |
| Класс защиты | IP20 (per IEC 60529) |
| Сертификаты | UL, CSA, МЭК, CCC, ЕАС, Морской, RINA, ДНВ, и т. д.. |
- Полный список моделей (LC1D Series 115A)
| Модель | Напряжение катушки | Тип терминала | Примечания |
| LC1D11500M7C | 220ВАК | Винт | Стандартный тип (original model) |
| LC1D11500P7C | 380ВАК | Винт | Common alternative voltage |
| LC1D11500F7C | 110ВАК | Винт | Low voltage control |
| LC1D11500B7C | 24ВАК | Винт | Safety extra-low voltage control |
| LC1D115006M7C | 220ВАК | Ring terminal | For special wiring requirements |
| LC1D115KUEC | 100~250VAC/DC | Винт | Universal voltage, replacement model |
| LC1D115ABD | 24В постоянного тока | Винт | DC coil version |
| LC1D115ALBD | 24В постоянного тока | Винт | Low-power DC coil |
- Cross & Replacement Model List
4.1 Schneider Original Replacements
| Оригинальная модель | Запасная модель | Причина замены | Совместимость |
| LC1D115M7C | LC1D115KUEC | Universal voltage coil (100~250VAC/DC), higher flexibility | Fully compatible, identical mounting dimensions |
| LC1D115M7C | LC1E120M5N | Upgraded TeSys E Series with improved performance | Identical mounting dimensions; verify auxiliary contact configuration |
| LC1D115M7C | LC1D11500M7C | Full official model, identical to abbreviated version | 100% совместимый |
4.2 Межбрендовые замены
| Бренд | Запасная модель | Основные различия | Applicability |
| АББ | A145-30-11 | Rated current 145A with larger margin | Different mounting dimensions; layout adjustment required |
| Сименс | 3RT2036-1BB40 | 125А, АС-3, 220V coil | Same auxiliary contact layout, прямая замена |
| Переключатель Чаншу | CJX2-1210 | Отечественная альтернатива, экономически эффективный | Slightly lower performance, for general working conditions |
| Чинт | NC1-1210 | Отечественная альтернатива, высокая стоимость исполнения | Meets basic requirements, shorter service life |
- Приложение & Отраслевые случаи
5.1 Применимые сценарии
Управление двигателем: Начинать, stop and reverse control for 30~75kW three-phase squirrel-cage motors
Промышленная автоматизация: Control circuits for production lines, конвейеры, compressors and pumps
Распределение мощности: Switching control for non-inductive or weakly inductive loads such as resistance furnaces and heaters (АС-1)
Системы отопления, вентиляции и кондиционирования: Control of large air conditioning compressors and ventilation fans
Морской & Offshore Engineering: Certified by marine classification societies for offshore equipment
5.2 Нерекомендуемые сценарии
High-Frequency Operation: Больше, чем 120 starts/stops per minute (use LC1D170 series or dedicated contactors)
Суровые условия: Heavy dust, corrosive gas or severe vibration (additional protection required)
DC Loads: Use dedicated DC contactors (например. LC1D115ABD)
High Altitude: Derating required above 2000m (10% derating per additional 1000m)
5.3 Типичные случаи применения
Случай 1: Fan Control in Steel Plant
Operating conditions: 380В, 55kW fan, АС-3, 10 starts per day, 20-hour continuous operation
Решение: LC1D115M7C + LRD3365 thermal overload relay
Преимущества: 3 years of stable operation without failure, low maintenance cost
Случай 2: HVAC System in Pharmaceutical Factory
Operating conditions: 400В, 45kW compressor, АС-3, 24-hour continuous operation and frequent cycling
Решение: LC1D115M7C + PLC control + surge suppressor
Преимущества: Low noise and power consumption, compliant with GMP standards
- Поиск неисправностей & Maintenance Manual
6.1 Common Fault Diagnosis
| Явление неисправности | Возможные причины | Решения |
| Contactor fails to close | 1. No voltage on coil; 2. Burnt coil; 3. Mechanical jam | 1. Measure voltage across terminal A1/A2; 2. Check coil resistance (normal: приблизительно. 320Ой); 3. Power off, inspect mechanism and remove foreign objects |
| Loud noise after closing | 1. Пониженное напряжение; 2. Oil contamination on core contact surface; 3. Сломанное затеняющее кольцо | 1. Ensure voltage within ±10% of rated value; 2. Clean core surface; 3. Replace coil assembly |
| Overheated / burnt main contacts | 1. Overload current; 2. Плохой контакт; 3. Failed arc suppression | 1. Check for load overload; 2. Очистите или замените контакты; 3. Inspect arc chute integrity |
| Auxiliary contact malfunction | 1. Контактное окисление; 2. Ослабленная проводка; 3. Mechanical wear | 1. Очистите контакты; 2. Retighten terminals; 3. Replace auxiliary contact block |
| Repeated coil burnout | 1. Severe voltage fluctuation; 2. Frequent cycling; 3. Excess ambient temperature | 1. Install voltage stabilizer; 2. Replace with high-cycle model; 3. Improve heat dissipation |
6.2 График технического обслуживания & Procedures
| Предмет обслуживания | Интервал | Операция |
| Визуальный осмотр | Ежемесячно | Check for overheating marks, abnormal odors and loose parts |
| Contact Inspection | Ежеквартальный | Измерьте контактное сопротивление (<50m惟), check for ablation |
| Coil Inspection | Раз в полгода | Measure coil resistance and insulation performance |
| Mechanical Lubrication | Ежегодно | Lightly lubricate moving parts (silicone grease recommended) |
| Overhaul | Каждый 2 годы | Disassemble for full inspection, replace worn parts and clean interior |
- Phase-Out & Migration Guide
7.1 Phase-Out Information
Phase-out Plan: Schneider launched the phase-out of domestic high-current TeSys D series (115-170А) in July 2025
Transition Period: July 2025 – December 2026. Production will cease after the period
Inventory: Stock is still available via some distributors. Procurement or model replacement is recommended as soon as possible.
7.2 Migration Solutions
| Migration Type | Рекомендуемая модель | Преимущества | Примечания |
| In-Series Upgrade | LC1D115KUEC | Universal voltage coil for wider application | Identical mounting size, no cabinet modification needed |
| Cross-Series Upgrade | LC1E120M5N | TeSys E Series with enhanced performance and longer service life | Auxiliary contact layout may differ; verify control circuit |
| Cost-Saving Replacement | Changshu CJX2-1210 / Chint NC1-1210 | 30-50% снижение затрат | Slight performance difference; for non-critical applications |
7.3 Migration Steps
- Confirm voltage and current requirements of the original control circuit
- Select suitable replacement model (LC1D115KUEC recommended)
- Verify compatibility of mounting dimensions and fixtures
- Confirm quantity and type of auxiliary contacts
- Replace contactor and conduct commissioning test
- Keep spare parts of the original model until the end of transition period
- Рекомендации по выбору
Краткий справочник правил
- LC1D: Schneider TeSys D series contactor
- 115: 115Номинальный ток (АС-3), matches 55kW motor at 400V
- M7C: 220VAC 50/60Hz coil, manufactured by SSIC
- 00: Standard 1NO+1NC auxiliary contacts
- Phase-out Notice: Prioritize LC1D115KUEC for replacement since July 2025
- Соблюдение требований в области авиаперевозок & Сертификаты
Классификация транспорта: Неопасные грузы. Нет встроенной литиевой батареи / supercapacitor, compliant with IATA regulations
Сертификация CE: Compliant with EN 60947-4-1, CE marked
Environmental Certification: Compliant with RoHS/REACh directives, Green Premium product
Упаковка: Individual packaging to prevent damage during transit. Original packaging is recommended.
