Contattore condensatore Schneider LC1DWK12P7

It is a dedicated capacitor contactor of Schneider TeSys D series, progettato per la commutazione senza spunto di banchi di condensatori trifase in sistemi di compensazione della potenza reattiva a bassa tensione. Capacità nominale: 63sinistra@400V/50Hz, tensione della bobina: 230V e.

1. Model Breakdown Explanation

2. Core Specification Parameter Table

3. Optional Accessories List

4. Concorrente & Confronto equivalente tra marchi

5. Linee guida per la selezione & Soluzioni alternative

5.1 Three Key Selection Factors

Capacitor Capacity Matching: ≤63kvar for 400V system; ≤104kvar for 690V system, evitare il sovraccarico

Tensione della bobina: Ensure control circuit voltage matches P7 (230V); optional M7(220V)/U7(240V), ecc.

Frequenza operativa: ≤240 cycles/hour for dynamic compensation; select higher specification or dedicated solution if exceeded

5.2 Recommended Alternative Solutions

5.3 Installazione & Suggerimenti per la manutenzione

1. Wiring distance to capacitor bank ≤ 2m, reduce line inductance to guarantee inrush suppression effect
2. Ensure good heat dissipation; reserve ≥50mm clearance around the contactor
3. Inspect damping resistor regularly (once a year); replace in time if abnormal
4. When auxiliary contacts are used in control circuit, pay attention to contact capacity (5A@230V AC)

LC1DWK12P7 is a dedicated capacitor contactor developed by Schneider for low-voltage reactive power compensation. Its core advantage lies in built-in damping resistor and early-make pole technology, which effectively suppresses switching inrush current and extends the service life of capacitors and contacts. It is widely applied in industrial workshops, edifici commerciali, data centers and other occasions requiring power factor improvement, and is an ideal choice for reactive power compensation cabinets.

Schneider Capacitor Contactor Model List (TeSys serie D)

1. Panoramica del prodotto

Schneider TeSys D series capacitor contactors are specially designed for low-voltage reactive power compensation systems. Adopting early-make pole + pre-connected damping resistor technology, they effectively suppress capacitor switching inrush current (≤20× rated current), protect capacitors and contacts, and prolong service life.

Serie principale:

LC1DWK: 63sinistra@400V/50Hz

LC1DTK: 40sinistra@400V/50Hz

All models: 3P(3NO) contatti principali, 1NO+2NC auxiliary contacts, AC coil only (no DC coil version).

2. Model Naming Rule

3. Elenco completo dei modelli

3.1 LC1DWK Series (63sinistra@400V/50Hz)

3.2 LC1DTK Series (40sinistra@400V/50Hz)

4. Coil Voltage Code Comparison Table

5. Core Technical Parameter Comparison
   

   Parametro	LC1DWK12 Series	LC1DTK12 Series	Osservazioni
   Capacità nominale	63sinistra@400V/50Hz	40sinistra@400V/50Hz	Rated at ambient temperature ≤60°C
   Corrente nominale	90A@400V	58A@400V	Calcolato da I=Q/(3​×U)
   Numero di poli	3P(3NO)	3P(3NO)	Normally open main contacts, three-phase dedicated
   Contatti ausiliari	1NO+2NC	1NO+2NC	Instant action for control circuit interlocking
   Tipo di montaggio	35Guida DIN da mm / vite	35Guida DIN da mm / vite	WK width 85mm; TK width 70mm
   Classe di protezione	IP20	IP20	Impedisce il contatto delle dita con parti sotto tensione
   Frequenza operativa	Massimo. 240 cycles/h	Massimo. 240 cycles/h	Meets dynamic compensation demand
   Temperatura ambiente	-5°C~+60°C	-5°C~+60°C	Derating required beyond range
   Durata di servizio	10 milioni / 100,000 cicli	10 milioni / 100,000 cicli	Under rated conditions
   Meccanico / Elettrico

   Selezione & Raccomandazione di sostituzione

6.1 Three Core Selection Principles

Capacity Matching: Select TK for 40kvar, WK for 63kvar; no overload allowed in 400V system

Tensione della bobina: Match control voltage with code (M7=220V for China; P7=230V for Europe)

Frequenza operativa: ≤240 cycles/h for dynamic compensation; choose higher specification or thyristor switch if over limit

6.2 Soluzioni alternative

Large capacity compensation (>63kvar@400V): Standard contactor (per esempio. LC1D40P7) + 6% reactor combination

Ultra-high frequency switching (>240 cycles/h): Thyristor switch (per esempio. ATS48 series), nessuna usura meccanica

Progetti sensibili ai costi: Domestic capacitor contactors (per esempio. Chint NC1 series), cost-effective with full basic functions