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Schneider LC1D09BDC
Schneider LC1D09BDC is a 3-pole موصل التيار المتردد of the TeSys D series, with a rated current of 9A, a coil voltage of DC24V, 3NO main contacts and 1NO+1NC auxiliary contacts. It is suitable for AC-1/AC-3 loads, supports DIN rail mounting, and is commonly used in industrial automation and motor control.
المعلمات الأساسية
| Parameter Item | Details |
| نموذج المنتج | LC1D09BDC |
| مسلسل | Schneider TeSys D (Domestic Version) |
| تكوين جهة الاتصال الرئيسية | 3-pole normally open (3لا), rated current 9A |
| تصنيف جهد التشغيل | Up to 690V AC |
| Coil Specification | DC24V DC coil |
| الاتصال المساعد | 1 مفتوحة عادة + 1 مغلقة عادة (1NO+1NC) |
| Service Category | ايه سي-1 (حمل مقاوم), ايه سي-3 (squirrel-cage induction motor) |
| طريقة التركيب | Standard 35mm DIN rail or screw mounting |
| الحياة الميكانيكية | تقريبا. 10 مليون عملية; Electrical life approx. 1 مليون عملية |
| الشهادات | سي سي سي, م, UKCA, RoHS, REACH |
| الأبعاد الشاملة | 45مم (دبليو) * 77مم (ح) *95مم (د), Weight approx. 0.48كجم |
Model Code Interpretation
LC1D: 3-pole contactor of TeSys D series
09: Rated current 9A
ب: DC coil type
د: Coil voltage DC24V
ج: Mark for domestic version
Typical Applications and Replacement Selection
- سيناريوهات التطبيق: Suitable for start-stop control of squirrel-cage motors with current ≤9A, as well as control of AC-3/AC-1 loads such as heating equipment, fans and water pumps. It is compatible with DC control circuits of PLC and DCS systems.
- Replacement Selection
Intra-series replacement: LC1D09BD (imported version with identical parameters)
Cross-brand replacement: ABB A16-30-01 (DC24V), Siemens 3RT2015-1BB41 (DC24V), Chint NXC-0910ز (DC24V)
Installation and Safety Points
- مواصفات التثبيت
Ambient temperature: -5℃~+40℃, Altitude ≤2000m, Avoid dust/corrosion/condensation
Reserve heat dissipation clearance, spacing between adjacent devices ≥5mm
عزم الدوران الأسلاك: Main circuit 1.7N·m, Control circuit 0.5N·m
- Safety Tips
Verify voltage after coil power-off to prevent residual voltage
It is recommended to match a thermal overload relay (على سبيل المثال, LRD06C) for motor circuits
Derating is required for frequent start-stop scenarios (recommended ≤80% of rated current)
Common Troubleshooting
| ظاهرة الخلل | الأسباب المحتملة | طرق استكشاف الأخطاء وإصلاحها |
| No power to coil | Power circuit break, loose wiring | Measure coil terminal voltage, inspect wires and terminals |
| High noise after pull-in | Contaminated iron core contact surface, broken shading ring | Clean the iron core, replace the shading ring |
| الاجتثاث الاتصالي | الزائد, incorrect load matching | Check load type, replace contact set |
| Coil burnout | Overvoltage/undervoltage, frequent on-off | Install a surge suppressor, optimize control logic |
Procurement and Maintenance
Order Number: LC1D09BDC, Packaging: 1 pc/box, 21 pcs/carton
Warranty Period: 18 شهور, It is recommended to inspect contact wear and wiring tightness quarterly
The following are the mainstream cross-brand direct replacement models for Schneider LC1D09BDC (3-القطب, 9أ, DC24V, 3NO main contacts, 1NO+1NC auxiliary contacts), classified by brand with core parameter matching marked for quick selection and replacement.
- Key Points for Core Parameter Matching
Ensure the following key parameters are consistent during replacement:
Pole number: 3-القطب
التصنيف الحالي: 9أ (at AC-3 400V)
Coil voltage: DC24V (العاصمة)
جهات الاتصال الرئيسية: 3لا (3 مفتوحة عادة)
اتصالات مساعدة: 1NO+1NC (1 مفتوحة عادة + 1 مغلقة عادة)
Service category: AC-1/AC-3 (suitable for resistive loads and squirrel-cage motors)
- Cross-brand Replacement Model Comparison Table
| ماركة | نموذج | مطابقة المعلمات الأساسية | ملاحظات |
| شنايدر (Intra-series) | LC1D09BD | Fully consistent parameters | Imported version, replacement for domestic LC1D09BDC |
| ايه بي بي | AX09-30-11-80*24VDC | 3ص,9أ,DC24V,3NO+1NO+1NC | AX series for motor-specific use, BC series for general use |
| BC6-30-11-P01 | |||
| سيمنز | 3RT2023-1BB41 | 3ص,9أ,DC24V,3NO+1NO+1NC | 3RT2 as standard type, 3RT6 as economic type |
| 3RT6015-1BB41 | |||
| شينت | NXC-09M/22/Z DC24V | 3ص,9أ,DC24V,3NO+1NO+1NC | NXC as new model, CJX2 as classic model |
| CJX2-0911Z DC24V | |||
| لذيذ | CJX2s-0911Z DC24V | 3ص,9أ,DC24V,3NO+1NO+1NC | Z indicates DC coil version |
| Eaton Moeller | DILM9-10(24VDC) | 3ص,9أ,DC24V,3NO+1NO+1NC | Confirm auxiliary contact configuration |
| DILM9-10(24VDC)+اتصال مساعد | |||
| Changshu Switchgear | CK3-0910Z DC24V | 3ص,9أ,DC24V,3NO+1NO+1NC | High-quality domestic replacement brand |
| People’s Electric Appliance | RMK-0910Z DC24V | 3ص,9أ,DC24V,3NO+1NO+1NC | Cost-effective, suitable for industrial scenarios |
ثالثا. Notes on Replacement Selection
- توافق التثبيت: All recommended models are suitable for 35mm DIN rail mounting, with dimensions close to LC1D09BDC (تقريبا. 45mm in width), enabling direct replacement of installation positions.
- Wiring Matching: Main circuit wiring torque 1.7N·m, control circuit 0.5N·m, consistent with the original contactor.
- Thermal Relay Matching: It is recommended to match a thermal overload relay below 9A of the same brand (على سبيل المثال, ABB TA25DU06, Siemens 3RB2016, Chint NR2-063) to ensure consistent motor protection.
- الحماية من الطفرة: It is recommended to install a freewheeling diode or surge suppressor for DC coils to extend service life.
- Derating Use: For frequent start-stop scenarios (>1200 مرات / ساعة), derate to below 7.2A for use.
- Quick Selection Suggestions
- Pursue original quality: Select Schneider LC1D09BD
- Prioritize cost performance: Select Chint NXC-09M/22/Z or Delixi CJX2s-0911ز
- System compatibility: Select AX09-30-11-80 for ABB systems, 3RT2023-1BB41 for Siemens systems
- Spare part universality: Prioritize mainstream domestic models such as NXC/CJX2s for easier procurement and maintenance
