ABB AX09-30-10-80 Contactor

The AX09-30-10-80 is a general-purpose 3-contattore CA a polo Di ABB Serie 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.

Interpretazione del codice modello

Modello completo: AX09-30-10-80

ASCIA: Codice della serie, 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: Configurazione del contatto principale. 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: Configurazione contatti ausiliari. 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.
Parametri tecnici fondamentali

3.1 Parametri del circuito principale

Articolo	Specifica
Poli & Configurazione dei contatti	3P, 3 Normally Open main contacts
Corrente termica convenzionale (Ith)	24 UN (Ambient temperature ≤ 40 ℃)
Corrente operativa nominale (AC-1)	22 UN (≤ 690 V e, ≤ 40 ℃); 18 UN (≤ 70 ℃)
Corrente operativa nominale (AC-3)	9 UN (≤ 440 V e, ≤ 55 ℃); 7 UN (≤ 690 V e, ≤ 55 ℃)
Maximum Rated Operational Voltage (Ue)	690 V e
Potenza di controllo nominale (AC-3)	4 kW@ 400 V; 5.5 kW@ 690 V
Capacità di interruzione nominale (AC-3)	8 × Ie
Tensione nominale di resistenza all'impulso (Ump)	6 kV
Overvoltage Category	Categoria III
Collegamento al circuito principale	Screw terminal connection, suitable for solid/stranded copper conductors
Torque for Main Terminals	1.2 ~ 1.5 N·m

3.2 Parametri del circuito di controllo

Articolo	Specifica
Tensione nominale della bobina (Uc)	220~230 V AC 50 Hz; 230~240 V AC 60 Hz
Intervallo di tensione di prelievo	0.85 Uc ~ 1.1 Uc
Intervallo di tensione di caduta	0.2 Uc ~ 0.75 Uc
Tipo di bobina	Conventional AC excitation coil
Standard Auxiliary Contact	1 NO, compatible with AC-15 / DC-13 control circuits
Rated Capacity of Auxiliary Contact	AC-15: 10 UN / 220 V; DC-13: 0.55 UN / 220 V
Collegamento del circuito di controllo	Morsetti a vite

3.3 Meccanico & Parametri Ambientali

Articolo	Specifica
Dimensioni complessive (L × A × P)	44 mm× 74 mm× 74 mm
Peso netto	ca. 0.326 kg
Classe di protezione	IP20 (corpo principale)
Operating Ambient Temperature	-25 ℃ ~ +55 ℃ (Full rating within 55 ℃; current derating required at 70 ℃)
Installation Altitude	No current derating up to 3000 M
Metodo di montaggio	Standard 35 Montaggio su guida DIN da mm; vertical screw mounting available
Certificazioni	CEI 60947-4-1, CCC, CE, UL, RoHS

3.4 Durata di servizio & Parametri di prestazione

Articolo	Specifica
Vita meccanica	10,000,000 cicli operativi
Vita elettrica (Servizio AC-3)	1,000,000 cicli operativi
Maximum Operating Frequency	1200 cycles per hour
Orario di ritiro	7 ~ 21 SM
Orario di abbandono	4 ~ 11 SM

Modelli alternativi & 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 Contatto ausiliario NC

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

4.2 Equivalent Products from Other Brands

Schneider Electric: LC1D09M7C

Siemens: 3RT6015-1AN21

Cinto: NXC-09 (220 Bobina V)

> Nota: 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)

Modello	Corrente nominale (AC-3 @ 400 V)	Corresponding Motor Power @ 400 V	Standard Auxiliary Contacts
AX09-30-10-80	9 UN	4 kW	1 NO
AX12-30-10-80	12 UN	5.5 kW	1 NO
AX18-30-10-80	18 UN	7.5 kW	1 NO
AX25-30-10-80	25 UN	11 kW	1 NO
AX32-30-10-80	32 UN	15 kW	1 NO
AX40-30-10-80	40 UN	18.5 kW	1 NO
AX50-30-11-80	50 UN	22 kW	1 NO + 1 NC
AX65-30-11-80	65 UN	30 kW	1 NO + 1 NC
AX80-30-11-80	80 UN	37 kW	1 NO + 1 NC
AX95-30-11-80	95 UN	45 kW	1 NO + 1 NC

Accessori comuni

Relè di sovraccarico termico: Serie TA25DU (per esempio. TA25DU-9M). Direct plug-in bottom mounting for motor overload protection.

Blocchi di contatti ausiliari: CA5X series front-mounted modules (CA5X-10E, CA5X-01E, CA5X-22E), expandable up to 4 pairs of auxiliary contacts.

Soppressore di sovratensioni: RV5X series, absorbs switching overvoltage of coils to protect PLC control circuits.

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

Terminal Shroud: Improves protection level and prevents accidental contact.

Ambito di applicazione & Operating Limits

6.1 Applicazioni tipiche

Controllo piccolo motore: Direct start/stop of three-phase asynchronous motors such as small fans, pompe dell'acqua, trasportatori, roller table motors and mini compressors, suitable for loads up to 4 kW.
Edificio & Sistemi HVAC: Control of terminal units of central air conditioning, fresh air units, fire exhaust fans, water supply & drainage pumps and fire dampers. It acts as a key actuator for power distribution circuits in building automation.
Attrezzatura OEM: Power circuit control for packaging machinery, macchine tessili, piccole macchine utensili, food processing equipment and other automated machinery. The compact size saves cabinet space.
Distribuzione dell'energia & Controllo dell'illuminazione: 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 Requisiti ambientali

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

Fenomeno di guasto	Causa ultima	Soluzioni
Contactor fails to close with no sound	1. Nessuna alimentazione, 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 / contatti	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. Misurare la resistenza della 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