ABB AX09-30-10-80 Contactor

The AX09-30-10-80 is a general-purpose 3-contactor AC poli de ABB AX series, 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.

Interpretarea Codului Modelului

Model complet: AX09-30-10-80

TOPOR: Cod de 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: Main contact configuration. 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: Configurarea contactelor auxiliare. 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 și 50 Hz / 230-240 V și 60 Hz.
Parametrii tehnici de bază

3.1 Parametrii circuitului principal

Articol	Caietul de sarcini
Polonii & Configurare contact	3P, 3 Normally Open main contacts
Curent termic convențional (Ith)	24 O (Ambient temperature ≤ 40 ℃)
Curent nominal de funcționare (AC-1)	22 O (≤ 690 V și, ≤ 40 ℃); 18 O (≤ 70 ℃)
Curent nominal de funcționare (AC-3)	9 O (≤ 440 V și, ≤ 55 ℃); 7 O (≤ 690 V și, ≤ 55 ℃)
Maximum Rated Operational Voltage (Ue)	690 V și
Rated Control Power (AC-3)	4 kW @ 400 V; 5.5 kW @ 690 V
Capacitate nominală de rupere (AC-3)	8 × Ie
Tensiune nominală de rezistență la impuls (Ump)	6 kV
Categoria de supratensiune	Category III
Conexiune la circuitul principal	Conexiune terminală cu șurub, suitable for solid/stranded copper conductors
Torque for Main Terminals	1.2 ~ 1.5 N·m

3.2 Parametrii circuitului de control

Articol	Caietul de sarcini
Tensiune nominală a bobinei (Uc)	220~230 V AC 50 Hz; 230~240 V AC 60 Hz
Gama de tensiune de preluare	0.85 Uc ~ 1.1 Uc
Interval de tensiune de întrerupere	0.2 Uc ~ 0.75 Uc
Tip bobină	Conventional AC excitation coil
Standard Auxiliary Contact	1 NU, compatible with AC-15 / DC-13 control circuits
Rated Capacity of Auxiliary Contact	AC-15: 10 O / 220 V; DC-13: 0.55 O / 220 V
Conexiunea circuitului de control	Borne cu șuruburi

3.3 Mecanic & Parametrii de mediu

Articol	Caietul de sarcini
Dimensiuni generale (L × H × D)	44 mm × 74 mm × 74 mm
Greutate netă	Aproximativ. 0.326 kg
Clasa de protectie	IP20 (corpul principal)
Temperatura ambiantă de funcționare	-25 ℃ ~ +55 ℃ (Full rating within 55 ℃; current derating required at 70 ℃)
Installation Altitude	No current derating up to 3000 m
Metoda de montare	Standard 35 mm Montare pe șină DIN; vertical screw mounting available
Certificari	IEC 60947-4-1, CCC, CE, UL, RoHS

3.4 Durata de viață & Parametri de performanță

Articol	Caietul de sarcini
Viața mecanică	10,000,000 cicluri de operare
Viața electrică (Sarcina AC-3)	1,000,000 cicluri de operare
Frecvența maximă de operare	1200 cycles per hour
Pick-up Time	7 ~ 21 Domnișoară
Drop-out Time	4 ~ 11 Domnișoară

Modele alternative & 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 și 50/60 bobina Hz

AX09-30-10-84: 110 V și 50 Hz / 110~120 V 60 bobina Hz

AX09-30-01-80: Same main circuit, fitted with 1 Contact auxiliar NC

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

4.2 Equivalent Products from Other Brands

Schneider Electric: LC1D09M7C

Siemens: 3RT6015-1AN21

Chint: 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)

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

Common Accessories

Releu termic de suprasarcina: TA25DU series (de ex. TA25DU-9M). Direct plug-in bottom mounting for motor overload protection.

Blocuri de contact auxiliare: CA5X series front-mounted modules (CA5X-10E, CA5X-01E, CA5X-22E), extensibil până la 4 pairs of auxiliary contacts.

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

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

Terminal Shroud: Improves protection level and prevents accidental contact.

Domeniul de aplicare & Operating Limits

6.1 Aplicații tipice

Controlul motorului mic: Direct start/stop of three-phase asynchronous motors such as small fans, pompe de apa, transportoare, roller table motors and mini compressors, suitable for loads up to 4 kW.
Clădire & Sisteme 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.
Echipament OEM: Power circuit control for packaging machinery, utilaje textile, mașini-unelte mici, food processing equipment and other automated machinery. The compact size saves cabinet space.
Distribuția energiei & Controlul Iluminării: 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 Cerințe de mediu

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

Fenomen de eroare	Cauza de bază	Soluții
Contactor fails to close with no sound	1. Fără alimentare, 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 / contacte	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. Opriți imediat alimentarea, verify supply voltage and rule out wrong high-voltage connection
	2. Coil inter-turn short circuit	2. Măsurați rezistența bobinei; 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