Schneider LP1K0901BD Miniature DC Contactor

LP1K: TeSys K-Serie, Gleichstrom coil contactor (LC1K = AC coil version)

09: Rated current 9A under AC-3 duty

01: Eingebaut Hilfs- Kontakt: 1 NC (Normalerweise geschlossen)

BD: Coil voltage DC24V

Terminals: Schraubklemmenklemmen; DIN-Schienenmontage; overall width 45 mm

1. Wichtige elektrische Spezifikationen

Hauptstromkreis: 3-Pole, 3 KEINE Kontakte

AC-3 rating @ 440V: 9A; controls 4kW (380V) Motor; 2.2kW (220V)

AC-1 resistive load rating: 20A

Maximale Betriebsspannung: 690V und

Spule: DC24V, standard DC coil (non-wide voltage)

Hilfskontakt: Fixed built-in 1 NC

Montage: DIN rail or panel mounting

Front protection degree: IP20

Zertifizierungen: CCC, UL, CSA, RoHS, Grüne Prämie

Mechanisches Leben: 10 Millionen Operationen; Elektrisches Leben (AC-3): 1.3 Millionen Operationen

Anzugsdrehmoment der Klemmen: 0.8~1.3 N·m

III. Typische Anwendungen

Directly driven by PLC DC transistor outputs; kleine Fans, Magnetventile, Förderstrecken, HVAC-Ausrüstung, small power motor start-stop in compact control cabinets.

1. Model Differences & Ersatzoptionen
2. LP1K0910BD: Same rating, eingebaut 1 NEIN (Normalerweise geöffnet) Hilfskontakt (most frequently confused model)
3. LP1K0901BD3: Spring-cage terminal variant (different wiring method)
4. LC1K0901M7: Gleiche aktuelle Bewertung, AC220V AC coil version, cannot be directly interchanged
5. Inländische Alternativen: Chint NC1K, Delixi CJX2K miniature contactors; verify mounting dimensions and auxiliary contact configuration before replacement
6. Wichtige Hinweise

Gleichstromspule; do not connect directly to AC24V supply

DC coils generate back EMF when de-energized. Add a freewheeling diode if driven by PLC transistor outputs to protect the output channel

LA1K auxiliary contact blocks can be snapped on top to expand additional auxiliary contacts

LP1K0901BD (TeSys K, 3F 9A, DC24V, Built-in 1NC) Anwendungsfälle

Kernvorteile: DC24V-Spule, directly driven by PLC transistor outputs; eingebaut 1 NC contact for interlock and status feedback; only 45mm wide, ideal for dense OEM control cabinets; AC-3 rating for 4kW @ 380V

Fall 1: Small Fan Control for AHU / Fresh Air Handling Units (Building BMS & HVAC)

Laden: 380V three-phase centrifugal fans & Abluftventilatoren (0.75~4kW)

Steuerlogik: DDC/PLC transistor output directly energizes the LP1K0901BD coil; main contacts switch the fan power; the built-in 1 NC contact sends stop feedback to BMS (NC closes when the contactor drops out to report fan shutdown)

Matching components: MCB upstream + LR2K thermal overload relay for motor protection; multiple contactors installed side-by-side on DIN rail to save cabinet space

Vorteile: No AC hum from DC coils, suitable for quiet computer room & air-conditioning control cabinets; fully compatible with 24VDC building control buses

Fall 2: Segmented Conveyor Drives for Packaging & 3C-Automatisierung (Essen & Electronic OEM)

Laden: Sectional belt conveyors, small drum motors, material feeders, Rührwerksmotoren (≤4kW)

Steuerlogik: PLC 24VDC outputs control jog or continuous operation; multiple LP1K0901BD units control individual conveyor sections; 1 NC contacts implement section interlock (next section cannot start if the upstream section is still running)

Betriebsbedingungen: Häufiges Radfahren (bis zu 3,600 Operationen/Stunde). 10 million mechanical cycles fit continuous production lines; IP20 protection meets clean cabinet requirements for food workshops

Erinnerungen: Fit a freewheeling diode across the coil to suppress back EMF and prevent PLC transistor burnout

Fall 3: Small Pump Stations & Circulating Water Systems (Wasseraufbereitung & Constant Temperature Tanks)

Laden: 380V circulation pumps, chemical dosing agitators, Kühlwasserpumpen

Steuerlogik: [text truncated in original draft]

Full TeSys K Contactor Model List

1. Coil Voltage Code for AC Models (LC1K / LC2K)

B7=AC24V、E7=AC48V、F7=AC110V、M7=AC220V、P7=AC230V

2. LP1K DC Single Contactor (3P, PLC DC24V Preferred)

6Ein Rahmen (06)

LP1K0610BD (6A, 1NEIN, 24VDC)

LP1K0601BD (6A, 1NC, 24VDC)

LP1K0610BD3 (Federklemmen + eingebauter Überspannungsschutz)

LP1K0601BD3 (Federklemmen + eingebauter Überspannungsschutz)

9Ein Rahmen (09, your model series)

LP1K0910BD (9A, 1NEIN, 24VDC)

LP1K0901BD (9A, 1NC, 24VDC, your part number)

LP1K0910BD3 (Federklemmen + eingebauter Überspannungsschutz)

LP1K0901BD3 (Federklemmen + eingebauter Überspannungsschutz)

12Ein Rahmen (12)

LP1K1210BD (12A, 1NEIN, 24VDC)

LP1K1201BD (12A, 1NC, 24VDC)

LP1K1210BD3 / LP1K1201BD3

16Ein Rahmen (16)

LP1K1610BD (16A, 1NEIN, 24VDC)

LP1K1601BD (16A, 1NC, 24VDC)

LP1K1610BD3 / LP1K1601BD3

Replace BD with ED=48VDC, FD=110VDC, MD=220VDC for other coil voltages.

3. LP2K DC Reversing Contactors (Vorwärts/Rückwärts, built-in mechanical interlock)

9A popular models

LP2K0910BD (9A, 1NEIN, 24VDC reversing contactor)

LP2K0901BD (9A, 1NC, 24VDC reversing contactor)

LP2K0901BD3 (Federklemmen + eingebauter Überspannungsschutz)

Other current ratings follow the same rule: LP2K0601BD, LP2K1201BD, usw.

4. LC1K / LC2K AC Miniature Contactors (AC-Spule)

LC1K Single AC Contactors (examples)

LC1K0610B7, LC1K0601B7 (AC24V)

LC1K0910M7, LC1K0901M7 (AC220V)

LC2K AC Reversing Contactors

LC2K0901B7, LC2K1201M7

5. TeSys K Matching Accessories
6. Hilfskontaktblock: LA1K (1NO+1NC, snap-on top mounting)
7. Mechanische Verriegelung: LA2K (for DIY forward/reverse with two LP1K units)
8. Thermal overload relays (direct snap-on bottom): LR2K03… (0.1~8A range, matches 06/09A contactors)
9. Überspannungsunterdrückung: BD3 versions have built-in suppression; standard BD coils require external 1N4007 freewheeling diode
10. Kurzanleitung zur Auswahl
11. Need RUN feedback (KEIN Kontakt) → select 10 (LP1K0910BD)
12. Need STOP feedback (NC-Kontakt) → select 01 (LP1K0901BD, Ihr aktuelles Modell)
13. PLC transistor output: prefer BD3 (eingebauter Überspannungsschutz) to eliminate external diodes
14. Vibration-prone conveyor applications: choose spring-cage terminal suffix 3 (BD3)