Contactor Schneider LC1D09BDC

Schneider LC1D09BDC

Schneider LC1D09BDC is a 3-pole contactor AC 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, suportă montarea pe șină DIN, and is commonly used in industrial automation and motor control.

Parametrii de bază

Element de parametru	Detalii
Model de produs	LC1D09BDC
Serie	Schneider TeSys D (Versiunea domestică)
Configurarea contactului principal	3-stâlp deschis în mod normal (3NU), rated current 9A
Tensiune nominală de operare	Până la 690 V AC
Coil Specification	DC24V DC coil
Contact auxiliar	1 deschis în mod normal + 1 în mod normal închis (1NU+1NC)
Service Category	AC-1 (sarcină rezistivă), AC-3 (squirrel-cage induction motor)
Metoda de montare	Standard 35mm DIN rail or screw mounting
Viața mecanică	Aproximativ. 10 milioane de operațiuni; Electrical life approx. 1 milioane de operațiuni
Certificari	CCC, CE, UKCA, RoHS, AJUNGE
Dimensiuni generale	45mm (W) * 77mm (H) *95mm (D), Greutate aprox. 0.48kg

Interpretarea Codului Modelului

LC1D: 3-pole contactor of TeSys D series

09: Curent nominal 9A

B: DC coil type

D: Coil voltage DC24V

C: Mark for domestic version

Typical Applications and Replacement Selection

Scenarii de aplicare: 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)

Înlocuire între mărci: ABB A16-30-01 (DC24V), Siemens 3RT2015-1BB41 (DC24V), Chint NXC-0910Z (DC24V)

Installation and Safety Points

Specificații de instalare

Temperatura mediului ambiant: -5℃~+40℃, Altitudine ≤2000m, Avoid dust/corrosion/condensation

Reserve heat dissipation clearance, spacing between adjacent devices ≥5mm

Wiring torque: Main circuit 1.7N·m, Control circuit 0.5N·m

Sfaturi de siguranță

Verify voltage after coil power-off to prevent residual voltage

It is recommended to match a thermal overload relay (de ex., LRD06C) for motor circuits

Derating is required for frequent start-stop scenarios (recommended ≤80% of rated current)

Depanare comună

Fenomen de eroare	Cauze posibile	Metode de depanare
No power to coil	Power circuit break, cabluri libere	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
Ablația de contact	Supraîncărcare, incorrect load matching	Check load type, replace contact set
Arsarea bobinei	Overvoltage/undervoltage, frequent on-off	Install a surge suppressor, optimize control logic

Procurement and Maintenance

Număr de ordine: LC1D09BDC, Ambalare: 1 pc/box, 21 buc/cutie

Perioada de garanție: 18 luni, 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-pol, 9O, DC24V, 3FĂRĂ contacte principale, 1Contacte auxiliare NO+1NC), 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:

Numărul de pol: 3-pol

Curent nominal: 9O (at AC-3 400V)

Tensiunea bobinei: DC24V (DC)

Contacte principale: 3NU (3 deschis în mod normal)

Contacte auxiliare: 1NU+1NC (1 deschis în mod normal + 1 în mod normal închis)

Service category: AC-1/AC-3 (suitable for resistive loads and squirrel-cage motors)

Cross-brand Replacement Model Comparison Table

Marca	Model	Potrivirea parametrilor de bază	Observații
Schneider (Intra-series)	LC1D09BD	Fully consistent parameters	Imported version, replacement for domestic LC1D09BDC
ABB	AX09-30-11-80*24VDC	3P,9O,DC24V,3NU+1NO+1NC	AX series for motor-specific use, BC series for general use
	BC6-30-11-P01
Siemens	3RT2023-1BB41	3P,9O,DC24V,3NU+1NO+1NC	3RT2 as standard type, 3RT6 as economic type
	3RT6015-1BB41
Chint	NXC-09M/22/Z DC24V	3P,9O,DC24V,3NU+1NO+1NC	NXC as new model, CJX2 as classic model
	CJX2-0911Z DC24V
Delicios	CJX2s-0911Z DC24V	3P,9O,DC24V,3NU+1NO+1NC	Z indicates DC coil version
Eaton Moeller	DILM9-10(24VDC)	3P,9O,DC24V,3NU+1NO+1NC	Confirm auxiliary contact configuration
	DILM9-10(24VDC)+contact auxiliar
Aparatul de comutare Changshu	CK3-0910Z DC24V	3P,9O,DC24V,3NU+1NO+1NC	High-quality domestic replacement brand
People’s Electric Appliance	RMK-0910Z DC24V	3P,9O,DC24V,3NU+1NO+1NC	Eficient din punct de vedere al costurilor, potrivite pentru scenarii industriale

III. Notes on Replacement Selection

Compatibilitate cu instalare: All recommended models are suitable for 35mm DIN rail mounting, with dimensions close to LC1D09BDC (aproximativ. 45mm în lățime), 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 (de ex., ABB TA25DU06, Siemens 3RB2016, Chint NR2-063) to ensure consistent motor protection.
Protecție la supratensiune: It is recommended to install a freewheeling diode or surge suppressor for DC coils to extend service life.
Derating utilizare: For frequent start-stop scenarios (>1200 ori/oră), derate to below 7.2A for use.
Sugestii de selecție rapidă
Pursue original quality: Select Schneider LC1D09BD
Prioritize cost performance: Select Chint NXC-09M/22/Z or Delixi CJX2s-0911Z
Compatibilitatea sistemului: 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