슈나이더 LC1DWK12P7 커패시터 접촉기

It is a dedicated capacitor contactor of Schneider TeSys D series, 저전압 무효 전력 보상 시스템에서 3상 커패시터 뱅크의 돌입 없는 스위칭을 위해 설계됨. 정격 용량: 63왼쪽@400V/50Hz, 코일 전압: 230뷔와.

1. Model Breakdown Explanation

2. Core Specification Parameter Table

3. Optional Accessories List

4. Competitor & Cross-Brand Equivalent Comparison

5. 선택 지침 & 대체 솔루션

5.1 세 가지 주요 선택 요소

Capacitor Capacity Matching: ≤63kvar for 400V system; ≤104kvar for 690V system, avoid overload

코일 전압: Ensure control circuit voltage matches P7 (230다섯); optional M7(220다섯)/U7(240다섯), 등.

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

5.2 Recommended Alternative Solutions

5.3 설치 & 유지 관리 팁

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, 상업용 건물, 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 D Series)

1. 제품개요

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.

Main series:

LC1DWK: 63왼쪽@400V/50Hz

LC1DTK: 40왼쪽@400V/50Hz

All models: 3피(3아니요) 주요 연락처, 1NO+2NC auxiliary contacts, AC coil only (no DC coil version).

2. 모델 명명 규칙

3. 전체 모델 목록

3.1 LC1DWK Series (63왼쪽@400V/50Hz)

3.2 LC1DTK Series (40왼쪽@400V/50Hz)

4. Coil Voltage Code Comparison Table

5. 핵심 기술 매개변수 비교
   

   매개변수	LC1DWK12 Series	LC1DTK12 Series	비고
   정격 용량	63왼쪽@400V/50Hz	40왼쪽@400V/50Hz	Rated at ambient temperature ≤60°C
   정격전류	90A@400V	58A@400V	Calculated by I=Q/(3​×U)
   극 수	3피(3아니요)	3피(3아니요)	Normally open main contacts, three-phase dedicated
   보조 연락처	1아니요+2NC	1아니요+2NC	Instant action for control circuit interlocking
   장착 유형	35mm DIN 레일 / 나사	35mm DIN 레일 / 나사	WK width 85mm; TK width 70mm
   보호 등급	IP20	IP20	손가락이 충전부와 접촉하는 것을 방지합니다.
   작동 주파수	맥스. 240 cycles/h	맥스. 240 cycles/h	Meets dynamic compensation demand
   주변 온도	-5°C~+60°C	-5°C~+60°C	Derating required beyond range
   서비스 수명	10 백만 / 100,000 사이클	10 백만 / 100,000 사이클	정격 조건에서
   기계 / 전기 같은

   선택 & 교체 권장사항

6.1 Three Core Selection Principles

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

코일 전압: Match control voltage with code (M7=220V for China; P7=230V for Europe)

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

6.2 대체 솔루션

Large capacity compensation (>63kvar@400V): 표준 접촉기 (예를 들어. LC1D40P7) + 6% reactor combination

Ultra-high frequency switching (>240 cycles/h): Thyristor switch (예를 들어. ATS48 series), no mechanical wear

비용에 민감한 프로젝트: Domestic capacitor contactors (예를 들어. Chint NC1 series), cost-effective with full basic functions