Schneider LC1D115F7 AC Contactor

مسلسل: TeSys Deca (تيسيس د) 3-موصل التيار المتردد القطب

شرح كود النموذج

LC1D: TeSys D standard contactor series

115: AC-3 rated current 115A @ 440V

ف: Coil voltage code → 110V AC

7: 50/60Hz universal frequency

المعلمات الكهربائية الأساسية

جهات الاتصال الرئيسية: 3ص, 3 مفتوح عادة (3لا)

ايه سي-3 (motor duty): 115A ≤440V; suitable for 55kW motor at 400V

ايه سي-1 (حمل مقاوم): Conventional thermal current Ith=200A (≥60 درجة مئوية)

لفائف: تيار متردد 110 فولت, 50/60هرتز

اتصالات مساعدة مدمجة: 1لا + 1نورث كارولاينا

تصنيف دفعة تحمل الجهد Uimp: 8كيلو فولت; Utilization categories: ايه سي-3 / AC-3e / ايه سي-1 / AC-4

Short-time making capacity: 1260A @440V

SCCR short-circuit withstand rating: ما يصل إلى 100 كيلو أمبير

ميكانيكية & المواصفات البيئية

البعد الشامل: H158mm × W120mm × D136mm; Net weight 2.5kg

Front face protection: IP20

درجة الحرارة المحيطة: -40درجه مئوية ~ +60 درجه مئوية; derating required from 60℃ to 70℃

Maximum installation altitude: 3000م

المعايير: IEC60947-4-1, سي سي سي, م, أول, CSA certifications

الحد الأقصى لتردد التشغيل: 2400 دورات / ساعة

نهاية الحياة & معلومات الاستبدال

This model is scheduled for discontinuation (last supply date: 31-Dec-2026)

Official recommended upgraded replacements:

LC1D115AEHE: 48–130V AC/DC wide-voltage coil, Everlink terminal, متوافق مع التركيب

LC1D115AKUE: 100–250V AC/DC wide-voltage version

ملحوظة: Replacement models adopt wide AC/DC coils with the same logic as original 110VAC coil. Terminal hole layout and DIN rail mounting are fully compatible, direct cabinet retrofit is available.

الملحقات المتوافقة

مرحل الحمل الزائد الحراري: LRD43 series (for 115A range)

كتلة الاتصال المساعدة: LA1DN (for extra auxiliary contacts)

قمع الطفرة: LA4DA coil suppressor (for AC coil)

التعشيق الميكانيكي: LA9D11502 (لعكس الدائرة)

التطبيقات النموذجية

Start/stop control for 3-phase motors such as fans, مضخات المياه, air compressors and belt conveyors; widely used in HVAC, panel assembly and automated production lines.

Application Cases of LC1D115F7 (115أ, AC110V Coil)

Basic capability: الأعلى. 55kW 3-phase squirrel-cage motor under AC-3 @400V; control circuit AC110V, اتصالات مساعدة مدمجة 1NO+1NC. Suitable for DOL direct-on-line, نجمة دلتا, forward-reversing and MCC motor control circuits. Widely used in panel assemblies, التدفئة والتهوية وتكييف الهواء, معالجة المياه, air compressors and conveyor lines. The most typical configuration uses 110V isolation transformer secondary as control power supply.

قضية 1: DOL Starter Cabinet for Chiller Compressor (Central Air Conditioning Host)

حمولة: 55kW screw compressor motor, 400الخامس 3 مراحل

Circuit configuration: قاطع الدائرة + LC1D115F7 + LRD43 thermal relay; PLC sends 110VAC control signal to energize contactor coil

منطق التحكم: PLC sequential control (start oil pump and cooling water pump first, then host compressor); thermal relay fault feedback to PLC; local manual / remote auto switch

Selection reason: Secondary control of chiller cabinet uniformly adopts AC110V, perfectly matching F coil; compressor operates with low switching frequency, sufficient electrical life; CCC+CE, meets MEP acceptance requirements

Accessory used: LA4DA coil surge suppressor (to suppress back EMF from compressor startup)

قضية 2: Municipal / Plant Fire Main Pump (Star-Delta Starting)

حمولة: 55kW fire sprinkler pump / hydrant pump

Circuit configuration: 3 pcs LC1D115F7 for star-delta starter (main contactor, المقاولين نجمة, موصل دلتا), with timer, mechanical interlock and fire alarm terminal block

سمات: Many fire control cabinets adopt AC110V secondary circuit, F7 coil is a direct match; auxiliary contacts feed running and fault status to fire alarm host; thermal relay is required for overload protection (fire code allows overload alarm without immediate shutdown)

ملاحظات: 3 contactors with same rating 115A for star-delta circuit; LA9D11502 mechanical interlock is mandatory to prevent short circuit between star and delta states

قضية 3: Screw Air Compressor Control Cabinet (55كيلوواط)

حمولة: 55kW main motor of screw air compressor, auto start/stop by pressure

حلبة: مفتاح الضغط / بلك + LC1D115F7 + التتابع الحراري; compressor built-in 110V control transformer

حالة التشغيل: Intermittent start-stop, عادة <600 دورات / ساعة, well within rated 2400 دورات / ساعة; واجب AC-3

Extra function: Auxiliary contacts connected to compressor controller for running status and fault upload to upper system

قضية 4: Water Treatment Plant – Circulating Pump / Sewage Lift Pump

حمولة: 55kW large-flow centrifugal pump, sludge return pump

مخطط: DOL direct start; duty-standby interlock circuit (2 pcs LC1D115F7 plus LA9D11502 mechanical interlock)

يتحكم: Auto switching via level / pressure transmitter + بلك; standby pump auto start upon main pump fault; control power AC110V

Environment note: Pump room is humid, dehumidifier fitted inside cabinet; contactor IP20 suitable for cabinet mounting

قضية 5: Heavy-duty Belt Conveyor in Factory

حمولة: 55kW main drive motor for belt conveyor, بداية ثقيلة

مخطط: DOL or star-delta; some with forward-reversing function (2 pcs LC1D115F7 + التعشيق الميكانيكي)

حالة التشغيل: Heavy inrush current at startup; derating assessment required for AC-4 duty (الركض المتكرر & عكس); soft starter is recommended for priority while contactor serves as output switch

إشارة: Auxiliary contacts send belt running and fault alarm to SCADA

قضية 6: MCC Motor Control Center Drawout Unit

سيناريو: MCC cabinet drawer circuit in chemical plant, power plant and building material plant

إعدادات: Standard motor starter drawer unit, قاطع الدائرة + LC1D115F7 + التتابع الحراري; secondary 110V control supply

ميزة: Standardized TeSys D series, mature interface for MCC drawer; auxiliary contacts for drawer position and running feedback; easy plug-and-play maintenance

قضية 7: High-power Heating Circuit for Resistive Load (غير محرك)

حمولة: 3-phase heating elements, large electric oven, Ith=200A under AC-1

وصف: Higher allowable current 200A for AC-1 resistive load than motor duty. Suitable for main circuit of large hot-air furnace and heat-treatment oven; PLC or temperature controller outputs 110V control signal for coil driving

ملحوظة: Arc extinguishing characteristic differs between resistive and motor loads. Not suitable for frequent switching of high-power heating loads.

Supplementary Selection & ملاحظات العملية (for F7 coil)

1. Coil rated AC110V, DO NOT connect directly to 220V. Control transformer is required inside cabinet to output AC110V
2. This model is at end-of-life phase. New projects prefer replacement model LC1D115AEHE (48–130V AC/DC wide voltage, compatible with 110VAC)
3. For frequent start-stop, jogging and reversing (AC-4) التطبيقات, select one higher current rating or adopt soft starter to reduce contact erosion
4. Thermal relay LRD43 series must be fitted for overload protection of all motor circuits

شنايدر TeSys D LC1D 3-pole Contactor Order List (Standard 3P, 1NO+1NC Auxiliary, محطة المسمار)

قاعدة التسمية:

LC1D + التقييم الحالي + كود الملف

Coil suffix:

7 = AC 50/60Hz (most common in China)

5=50Hz, 6=60Hz

D = لفائف العاصمة

ب = 24 فولت, E=48V, F = 110 فولت, M=220V, P=230V, س = 380 فولت, V=400V

⚠️ Old domestic marking for 115/150/170A: LC1D11500F7C; new import version is LC1D115F7 directly, LC1D115F7 is the model above

حالة: Old LC1DxxB7/F7/M7/Q7/V7 series to be discontinued by end of 2026

New replacements: AEHE (48–130V AC/DC wide voltage), AKUE (100–250V AC/DC wide voltage)

400V AC-3 Motor Power Reference

Supplementary Categories

1. 4-pole Versions (LC1DT: 4NO resistive; LC1Dxx8: 2لا + 2NC)

LC1DT25 / LC1DT32 / LC1DT40 / LC1DT60A / LC1DT80A

LC1D128 / LC1D188 / LC1D258 / LC1D40008 / LC1D65008

2. Reversing Contactors LC2D (Built-in mechanical interlock, equivalent to two LC1D plus interlock)

LC2D09 / LC2D12 / LC2D18 / LC2D25 / LC2D32 / LC2D38 / LC2D40 / LC2D50 / LC2D65 / LC2D80 / LC2D95 / LC2D115 / LC2D150 / LC2D170

مثال: LC2D115F7 (115أ, AC110V reversing contactor)

3. Coil Code Quick Reference (Common for domestic projects)

ب7: AC24V 50/60Hz

ه7: AC48V 50/60Hz

F7: AC110V 50/60Hz (your LC1D115F7)

M7: تيار متردد 220 فولت 50/60 هرتز

س7: AC380V 50/60Hz

V7: AC400V 50/60Hz

دينار بحريني: تيار مستمر 24 فولت

الضعف الجنسي: DC48V

فد: تيار مستمر 110 فولت

دكتوراه في الطب: تيار مستمر 220 فولت

4. Terminal Variant Code (placed before voltage code)

3: Spring-cage terminal, على سبيل المثال. LC1D1153F7

6: Ring terminal (cable lug), على سبيل المثال. LC1D1156F7

5. Matched Thermal Relay Reference (for panel selection)

09~38A: LRD07…LRD35

40~95A: LRD33 series

115~170A: LRD43 series

205 وما فوق: LRD48 series

Important End-of-Life Notice

Old LC1DxxB7/F7/M7/Q7/V7 series last supply: 31-Dec-2026

AEHE: 48–130V AC/DC wide voltage (direct replacement for B7, ه7, F7)

AKUE: 100–250V AC/DC wide voltage (direct replacement for M7, ص7)

Mounting dimension, cutout and auxiliary contacts are fully compatible, no cabinet drawing modification required