Contattore Schneider LC1D245M5C

Interpretazione del modello

1. Core Technical Parameters ⚙️
2. Specifiche di base

Numero di poli: 3P (3-palo, 3NO normally open)

Categoria di utilizzo: AC-1 (carico resistivo), AC-3 (direct-on-line starting of squirrel-cage motors)

Tensione operativa nominale: Up to 660V AC

Tensione di isolamento nominale: 1000V e

Tensione nominale di resistenza all'impulso: 8kV

Corrente operativa nominale (Cioè): 245UN (AC-3, 400V, cosφ=0,85)

2. Parametri della bobina

Tensione della bobina: 220V CA 50 Hz

Consumo energetico della bobina: Approximately 140VA for pull-in, 25VA for holding

Control Circuit Voltage Range: 85%-110% della tensione nominale (for reliable pull-in)

Release Voltage: ≤75% of rated voltage

3. Electrical and Mechanical Service Life

Vita utile meccanica: Fino a 20 milioni di operazioni

Vita utile elettrica: Circa 1 million operations at AC-3 400V, 2 million operations at AC-1

Corrente nominale di tenuta a breve termine (Icw): 210UN (1S), 105UN (10S), 30UN (10min)

4. Installation and Dimensions

Metodo di montaggio: Standard 35mm DIN rail mounting or screw fixing

Mounting Depth: Approximately 150mm

Larghezza: Approximately 108mm (245Una specifica)

Peso: Approximately 4.5kg

III. Caratteristiche prestazionali

1. High-efficiency Arc Extinguishing: Dual-break electric arc extinguishing + longitudinal slot arc extinguishing design ensures reliable breaking
2. Design modulare: Flexible installation of auxiliary contact modules (Serie LADN), pneumatic time-delay heads, mechanical interlocks and other accessories
3. Reliable Connection: Adopts EverLink™ patented terminal technology to prevent conductor creep-induced loosening
4. Ampia adattabilità alla temperatura: 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. Scenari applicativi
7. Controllo motorio: Direct starting and operation control of squirrel-cage motors with rated power of 110kW (AC-3 400V)
8. Sistema di alimentazione: Making and breaking circuits with AC 50Hz/60Hz and rated voltage up to 660V
9. Attrezzature industriali: 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 (per esempio., LRD series) to form magnetic starters for overload protection
11. Selection and Replacement

Modelli alternativi: LC1D245M7C (50/60Hz universal coil), LC1D245Q5C (380V coil)

Matching Accessories:

Contatti ausiliari: LADN04 (4NO), LADN22 (2NO+2NC), ecc.

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

Mechanical Interlocks: LADS2 (for reversible contactors)

1. Punti di installazione e manutenzione
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. Riepilogo

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.