Schneider Electric LC1D25 Contactor

At a glance: The Schneider Electric LC1D25 is a TeSys D series 3-pole 25A Контактор переменного тока, suitable for AC-3 motor control (11kW/15HP at 400V). Standard width: 45мм. 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, и т. д..

Part Number Interpretation

Base model: LC1D25

Full model format: LC1D25[Вспомогательные контакты][Напряжение катушки][Частота][Special Features]

Код	Значение	Пример
LC1D	TeSys D series standard AC contactor	–
25	Rated operational current 25A (АС-3, 400В)	–
2010/1/11	Auxiliary contact configuration: 1NO/0NC, 0NO/1NC, 1NO/1NC	LC1D2510M7C (1НЕТ)
M/Q/B/P	Coil voltage code: M=AC220V, Q=AC380V, B=AC24V, P=AC230V	LC1D2510M7C (220 В переменного тока)
7月5日	Частота: 7=50/60Hz universal, 5=50Hz only	LC1D2510M7C (universal)
C/BL	Special features: C=standard, BL=low-power	LC1D2510M7C (стандартный)

Key Specifications

2.1 Main Circuit Parameters

Параметр	Ценить	Примечания
поляки	3-столб (3НЕТ)	Standard configuration
Rated operational current (AC‑3, 400В)	25А	Typical for motor control
Rated operational current (AC‑1, 690В)	40А	Resistive load
Rated operational voltage	≤690V AC, ≤300V DC	Главная цепь
Motor power (400V 3-phase)	11kW (15HP)	AC-3 duty
Motor power (220V 3-phase)	5.5kW (7.5HP)	AC-3 duty
Номинальное напряжение изоляции	1000В	IEC standard
Rated impulse withstand voltage	8кВ	–

2.2 Control Circuit Parameters

Параметр	Ценить	Примечания
Coil voltage range	AC24V~400V, DC24V~220V	Multiple options available
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	До 3600 operations/hour	AC-3 duty

2.3 Mechanical & Mounting Parameters

Параметр	Ценить	Примечания
Размеры	45×85×92mm (without cover) / 45×85×101mm (with cover)	Common for LC1D25–LC1D38
Монтаж	35mm DIN rail or screw mounting	Both compatible
Weight	Приблизительно. 370g	Standard version
Protection degree	IP20	Body only
Рабочая температура	-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

АС-3 (motor control): Direct use for motors up to 25A, max. 11кВт при 400В

AC-1 (резистивная нагрузка): Up to 40A, suitable for heaters, освещение, и т. д..

DC load: Confirm DC rating; derating to ≤70% of AC rating recommended

3.2 Выбор напряжения катушки

Приложение	Recommended coil voltage	Advantage
Промышленная автоматизация	220 В переменного тока (М7) / AC380В (Q7)	Matches common factory voltages
Safety control circuits	24 В переменного тока (B7) / DC24V	Safety extra-low voltage
DC systems	DC24V~110V	Reduces electromagnetic interference

3.3 Auxiliary Contact Extension

Стандартный: 1НЕТ + 1NC built-in auxiliary contacts

Расширение: Add LAD series auxiliary modules; up to 4NO + 4Северная Каролина

3.4 Protection Coordination

Защита от перегрузки: Use with LRD16‑LRD32 thermal overload relays (setting: 6.4~32A)

Защита от короткого замыкания: Recommended C65N‑D/3P 32A or NSX series circuit breakers

Surge suppression: RC snubber for AC coils; freewheeling diode for DC coils

3.5 Монтаж & 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

Бренд	Direct Replacement	Key Comparison
АББ	A16-30-10 (16А) / A26-30-10 (26А)	Same dimensions; A26 closer to 25A
Сименс	3RT6026-1AN20 (25А)	Identical mounting, 1НО+1НЗ
Mitsubishi	S-T25 (25А)	Standard 3-pole, AC220V/380V coils
LS	GMC-22 (22А) / GMC-32 (32А)	Cost-effective; GMC-32 for heavy duty
Чинт	NC1-2510 (25А)	Domestic alternative, cost advantage

Common Full Models & Applications

Полная модель	Описание	Typical Application
LC1D2510M7C	3P 25A, 1НЕТ, AC220V coil, 50/60Гц	Water pumps, фанаты
LC1D2501Q7C	3P 25A, 1Северная Каролина, AC380V coil, 50/60Гц	Compressors, conveyors
LC1D2511B7C	3P 25A, 1НО+1НЗ, 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. Screw mounting: 2×M4 slotted holes, horizontal center distance 35mm, vertical center distance 60–70mm adjustable.

Basic Outline Dimensions (W×H×D)

Configuration	Размеры (мм)	Размеры (in)	Примечания
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	например, LC1D25BL

Width 45mm: Common for LC1D25–LC1D38, compact mounting

Height 85mm: Base height without top auxiliary modules

Глубина: Varies slightly by cover/coil; refer to actual unit

Mounting Methods & Detailed Dimensions

2.1 Монтаж на DIN-рейку (Recommended)

Fits 35mm standard DIN rail (В 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 Винтовой монтаж

Параметр	Ценить	Примечания
Mounting holes	2×M4 slotted holes	For M4×8 or M4×10 screws
Horizontal center distance	35мм	Зафиксированный
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