ABB AX09-30-10-80 Contactor

The AX09-30-10-80 is a general-purpose 3-contator CA de pólo de ABB Série AX, the official successor to the classic A9 contactor from the former A series. It is designed for controlling low-power loads in general industrial applications, mainly used for direct start and stop of three-phase asynchronous motors, as well as switching of AC distribution circuits, inductive and resistive loads.

Equipped with a conventional AC coil, this contactor features compact structure and small footprint. It supports mounting on standard 35 mm DIN rails, and offers long mechanical service life, high operating frequency and excellent environmental adaptability. It is widely applied in building HVAC systems, light automation systems, OEM equipment assembly, municipal power distribution and other fields.

Interpretação de código modelo

Modelo Completo: AX09-30-10-80

MACHADO: Código da série, representing AX series general-purpose AC contactors (replacement for legacy A series).
09: Rated current class. Rated operational current is 9 A under utilization category AC-3 at 400 V.
30: Configuração de contato principal. 3 normally open main contacts with no normally closed main contacts (the first digit = number of main poles; the second digit = number of normally closed main contacts).
10: Configuração de contato auxiliar. 1 normally open auxiliary contact with no normally closed auxiliary contacts (the first digit = number of normally open auxiliary contacts; the second digit = number of normally closed auxiliary contacts).
80: Coil code, corresponding to standard AC coil: 220-230 V e 50 Hz / 230-240 V e 60 Hz.
Parâmetros técnicos principais

3.1 Parâmetros do Circuito Principal

Item	Especificação
Poloneses & Configuração de contato	3P, 3 Normally Open main contacts
Corrente Térmica Convencional (É)	24 UM (Ambient temperature ≤ 40 ℃)
Corrente Operacional Nominal (AC-1)	22 UM (≤ 690 V e, ≤ 40 ℃); 18 UM (≤ 70 ℃)
Corrente Operacional Nominal (AC-3)	9 UM (≤ 440 V e, ≤ 55 ℃); 7 UM (≤ 690 V e, ≤ 55 ℃)
Maximum Rated Operational Voltage (Ué)	690 V e
Rated Control Power (AC-3)	4 kW@ 400 V; 5.5 kW@ 690 V
Capacidade nominal de ruptura (AC-3)	8 × Ie
Tensão nominal suportável ao impulso (Um)	6 kV
Overvoltage Category	Category III
Conexão do Circuito Principal	Conexão de terminal de parafuso, suitable for solid/stranded copper conductors
Torque for Main Terminals	1.2 ~ 1.5 N·m

3.2 Parâmetros do Circuito de Controle

Item	Especificação
Tensão nominal da bobina (Uc)	220~230 V AC 50 Hz; 230~240 V AC 60 Hz
Pick-up Voltage Range	0.85 Uc ~ 1.1 Uc
Drop-out Voltage Range	0.2 Uc ~ 0.75 Uc
Tipo de bobina	Conventional AC excitation coil
Standard Auxiliary Contact	1 NÃO, compatible with AC-15 / DC-13 control circuits
Rated Capacity of Auxiliary Contact	AC-15: 10 UM / 220 V; DC-13: 0.55 UM / 220 V
Conexão do Circuito de Controle	Terminais de parafuso

3.3 Mecânico & Parâmetros Ambientais

Item	Especificação
Dimensões Gerais (L × A × P)	44 milímetros × 74 milímetros × 74 milímetros
Peso líquido	Aprox.. 0.326 kg
Classe de Proteção	IP20 (corpo principal)
Temperatura ambiente operacional	-25 ℃ ~ +55 ℃ (Full rating within 55 ℃; current derating required at 70 ℃)
Altitude de instalação	No current derating up to 3000 eu
Método de montagem	Padrão 35 mm montagem em trilho DIN; vertical screw mounting available
Certificações	CEI 60947-4-1, CCC, CE, UL, RoHS

3.4 Vida útil & Parâmetros de desempenho

Item	Especificação
Vida Mecânica	10,000,000 ciclos operacionais
Vida Elétrica (Dever AC-3)	1,000,000 ciclos operacionais
Maximum Operating Frequency	1200 ciclos por hora
Pick-up Time	7 ~ 21 EM
Drop-out Time	4 ~ 11 EM

Modelos Alternativos & Cross-Series Reference

4.1 ABB Equivalent Replacements

Replacement for Discontinued Models: Direct replacement for legacy A series A9-30-10. Fully compatible with original mounting holes and rail dimensions, with upgraded electrical life and overall reliability.
Same Current Rating with Different Coils:

AX09-30-10-81: 24 V e 50/60 Bobina Hz

AX09-30-10-84: 110 V e 50 Hz / 110~120 V 60 Bobina Hz

AX09-30-01-80: Same main circuit, fitted with 1 NC auxiliary contact

Higher Current Models in the Same Series: AX12-30-10-80 (12 UM), AX18-30-10-80 (18 UM). Identical mounting width for direct replacement and capacity upgrade.

4.2 Equivalent Products from Other Brands

Schneider Elétrica: LC1D09M7C

Siemens: 3RT6015-1AN21

Chint: NXC-09 (220 Bobina V)

> Observação: All cross-brand models support 35 mm DIN rail mounting for direct replacement. Please verify auxiliary contact configuration and coil voltage before installation.

Full List of AX Series 3-Pole Contactors (220 V Coil)

Modelo	Corrente nominal (AC-3 @ 400 V)	Corresponding Motor Power @ 400 V	Standard Auxiliary Contacts
AX09-30-10-80	9 UM	4 kW	1 NÃO
AX12-30-10-80	12 UM	5.5 kW	1 NÃO
AX18-30-10-80	18 UM	7.5 kW	1 NÃO
AX25-30-10-80	25 UM	11 kW	1 NÃO
AX32-30-10-80	32 UM	15 kW	1 NÃO
AX40-30-10-80	40 UM	18.5 kW	1 NÃO
AX50-30-11-80	50 UM	22 kW	1 NÃO + 1 NC
AX65-30-11-80	65 UM	30 kW	1 NÃO + 1 NC
AX80-30-11-80	80 UM	37 kW	1 NÃO + 1 NC
AX95-30-11-80	95 UM	45 kW	1 NÃO + 1 NC

Acessórios Comuns

Relé de sobrecarga térmica: Série TA25DU (por exemplo. TA25DU-9M). Direct plug-in bottom mounting for motor overload protection.

Blocos de contato auxiliares: CA5X series front-mounted modules (CA5X-10E, CA5X-01E, CA5X-22E), expandable up to 4 pairs of auxiliary contacts.

Supressor de surto: RV5X series, absorbs switching overvoltage of coils to protect PLC control circuits.

Intertravamento Mecânico: VB5X series, provides mechanical interlock for forward/reverse operation of two contactors.

Terminal Shroud: Improves protection level and prevents accidental contact.

Escopo de aplicação & Operating Limits

6.1 Aplicações Típicas

Controle de motor pequeno: Direct start/stop of three-phase asynchronous motors such as small fans, bombas de água, transportadores, roller table motors and mini compressors, suitable for loads up to 4 kW.
Prédio & Sistemas HVAC: Control of terminal units of central air conditioning, fresh air units, fire exhaust fans, fornecimento de água & drainage pumps and fire dampers. It acts as a key actuator for power distribution circuits in building automation.
Equipamento OEM: Power circuit control for packaging machinery, máquinas têxteis, pequenas máquinas-ferramentas, food processing equipment and other automated machinery. The compact size saves cabinet space.
Distribuição de energia & Controle de iluminação: Remote switching of high-capacity lighting circuits and small distribution feeders; switching of low-capacity capacitor banks in low-voltage reactive power compensation cabinets.
Automation Logic Control: Acts as a power amplifier for PLC outputs to drive solenoid valves, indicator lights and other small actuators.

6.2 Requisitos Ambientais

Install indoors inside switchgear or control boxes. Outdoor exposure to rain and direct sunlight is prohibited.

Pollution level shall not exceed Class 3; no highly corrosive gas, explosive gas or conductive dust present.

No severe impact or vibration on mounting surface; vibration acceleration ≤ 20 m/s².

Current derating is required when installation altitude exceeds 3000 m or ambient temperature exceeds 55 ℃, refer to official manual for calculation.

Troubleshooting Matrix

Fenômeno de falha	Causa raiz	Soluções
Contactor fails to close with no sound	1. Sem fonte de alimentação, loose or broken wiring in control circuit	1. Cut off power and perform safety check; inspect wiring at terminals A1/A2 and re-measure coil voltage
	2. Burnt or broken coil	2. Test coil resistance with multimeter; replace coil or complete unit if open circuit occurs
	3. Armature mechanical jam or foreign obstruction	3. Manually operate armature after power-off, clean dust and foreign matters on core pole faces
	4. Supply voltage far below rated value	4. Adjust supply voltage to rated range and eliminate line voltage drop
Continuous buzzing noise after closure	1. Oil and dust on core pole faces causing poor contact	1. Dismantle core after power-off and clean oil & dirt on pole faces
	2. Broken or detached shading coil	2. Replace core or complete unit if shading coil is damaged
	3. Insufficient suction due to low supply voltage	3. Increase supply voltage to rated range
Abnormal overheating at main terminals / contatos	1. Loose terminal screws leading to high contact resistance	1. Retighten terminals to specified torque after power-off
	2. Continuous overload with current exceeding rated value	2. Measure load current, check model selection and replace with higher-rated model if necessary
	3. Contact ablation and poor conduction	3. Polish slightly ablated contacts; replace complete unit for severe damage
Abnormal signal from auxiliary contacts, no feedback to PLC	1. Ablation or poor contact of auxiliary contacts	1. Test on-off performance of auxiliary contacts after power-off and replace faulty blocks
	2. Loose or broken cables	2. Inspect wiring and PLC input circuit to fix line faults
	3. Improper installation of auxiliary contact block	3. Reinstall auxiliary contact block and ensure firm connection
Severe coil overheating, burning smell or smoke	1. Supply voltage exceeds coil rating	1. Cut off power immediately, verify supply voltage and rule out wrong high-voltage connection
	2. Coil inter-turn short circuit	2. Medir a resistência da bobina; replace coil if inter-turn short circuit is confirmed
	3. Long-term operation under undervoltage condition with excessive current	3. Maintain supply voltage within rated range and avoid prolonged undervoltage operation
Failure to open or slow release after power cut	1. Adhesion caused by oil on core pole faces	1. Clean oil on core pole faces and check residual magnetism
	2. Welded main contacts	2. Inspect main contacts after power-off; replace contacts or complete unit if welding occurs
	3. Fatigue failure of return spring	3. Replace return spring or complete contactor