AX50-30-11-81

Name: AX50-30-11-81
Brand: ABB
SKU: AX50-30-11-81

ABB AX50-30-11-81: 24V, 50/60Hz, 3-pole contactor for controlling 3-phase motors and power circuits up to 690V AC with AC-operated control circuits and optional add-on auxiliary contact blocks.

Product ModelAX50-30-11-81

Material Number1SBL351074R8111

Product ID74468

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Power ControlThe ABB AX50-30-11-81 contactor ensures reliable operation in a wide range of applications, including controlling 3-phase motors and power circuits up to 690V AC.
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2. Versatile DesignThis contactor features AC-operated control circuits and optional add-on auxiliary contact blocks for side mounting, providing flexibility in system design and integration.
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3. High EfficiencyDesigned for high-performance applications, the AX50-30-11-81 contactor operates efficiently, reducing energy consumption and enhancing overall system performance.
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4. Durable ConstructionBuilt with robust materials, this contactor withstands harsh environmental conditions, including temperatures ranging from -40°C to +70°C, ensuring long-lasting operation.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

82 mm

Product Net Depth / Length

110 mm

Product Net Height

108 mm

Product Net Weight

1.05 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Compliance and CertificationsThe AX50-30-11-81 contactor meets stringent safety and performance standards, including CE certification and compliance with IEC 60947-4-1 and VDE 0110 (Gr. C) specifications.

Number of Auxiliary Contacts NO

Number of Auxiliary Contacts NC

Rated Operational Voltage

Auxiliary Circuit 690 V Main Circuit 690 V

Rated Frequency (f)

Auxiliary Circuit 50 / 60 Hz Main Circuit 50 / 60 Hz

Conventional Free-air Thermal Current (Ith)

acc. to IEC 60947-4-1, Open Contactors Î = 40 Â°C 100 A

Rated Operational Current AC-1 (Ie)

(220 / 240 V) 55 Â°C 85 A (690 V) 40 Â°C 100 A (690 V) 70 Â°C 70 A

Rated Operational Current AC-3 (Ie)

(415 V) 55 Â°C 50 A (440 V) 55 Â°C 45 A (500 V) 55 Â°C 45 A (690 V) 55 Â°C 35 A (380 / 400 V) 55 Â°C 50 A (220 / 230 / 240 V) 55 Â°C 53 A

Rated Operational Power AC-3 (Pe)

(415 V) 25 kW (440 V) 25 kW (500 V) 30 kW (690 V) 30 kW (380 / 400 V) 22 kW (220 / 230 / 240 V) 15 kW

Rated Short-time Withstand Current Low Voltage (Icw)

at 40 Â°C Ambient Temp, in Free Air, from a Cold State 10 s 650 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 15 min 110 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 min 250 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 1 s 1000 A at 40 Â°C Ambient Temp, in Free Air, from a Cold State 30 s 370 A

Maximum Breaking Capacity

cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 1300 A cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 630 A

Maximum Electrical Switching Frequency

(AC-1) 600 cycles per hour (AC-3) 600 cycles per hour

Rated Insulation Voltage (Ui)

acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 690 V

Rated Impulse Withstand Voltage (Uimp)

Auxiliary Circuit 6 kV

Maximum Mechanical Switching Frequency

3600 cycles per hour

Rated Control Circuit Voltage (Uc)

50 Hz 24 V 60 Hz 24 V

Operate Time

Between Coil De-energization and NC Contact Closing 7 ... 14 ms Between Coil De-energization and NO Contact Opening 4 ... 11 ms Between Coil Energization and NC Contact Opening 7 ... 22 ms Between Coil Energization and NO Contact Closing 8 ... 27 ms

Degree of Protection

acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20 acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP10

Terminal Type

Screw Terminals

General Use Rating UL/CSA

(600 V AC) 80 A

Horsepower Rating UL/CSA

(120 V AC) Single Phase 3 hp (200 ... 208 V AC) Three Phase 15 hp (220 ... 240 V AC) Three Phase 20 hp (240 V AC) Single Phase 10 hp (440 ... 480 V AC) Three Phase 40 hp (550 ... 600 V AC) Three Phase 50 hp

Tightening Torque UL/CSA

Auxiliary Circuit 9 inÂ·lb Control Circuit 9 inÂ·lb Main Circuit 35 inÂ·lb

Ambient Air Temperature

Close to Contactor Fitted with Thermal O/L Relay -25 ... 55 Â°C Close to Contactor without Thermal O/L Relay -40 ... 70 Â°C Close to Contactor for Storage -60 ... +80 Â°C Near Contactor for Operation in Free Air -40 ... 70 Â°C

Climatic Withstand

acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specification II

Maximum Operating Altitude Permissible

Without Derating 3000 m

Object Classification Code

ETIM 7

EC000066 - Power contactor, AC switching

ETIM 8

EC000066 - Power contactor, AC switching

ETIM 9

EC000066 - Power contactor, AC switching

eClass

V11.0 : 27371003

UNSPSC

39121529

IDEA Granular Category Code (IGCC)

4755 >> Contactors

Manufacturer ID

1SBL351074R8111