AX50-30-00-81

Name: AX50-30-00-81
Brand: ABB
SKU: AX50-30-00-81

Efficiently control 3-phase motors and power circuits with the ABB AX50-30-00-81, a compact, block-type magnetic contactor suitable for industrial applications up to 690 V AC.

Product ModelAX50-30-00-81

Material Number1SBL351074R8100

Product ID74529

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Compact and Modular DesignThe ABB AX50-30-00-81 features a compact block type design, making it suitable for installation in control panels and electrical enclosures. Its modular structure ensures easy integration into various industrial settings.
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2. High Switching CapacityDesigned to handle high switching capacities, this contactor is ideal for controlling heavy electrical loads, including 3-phase motors. Its robust construction ensures reliable operation under demanding conditions.
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3. AC Operated Control CircuitThe contactor operates on an AC control circuit, providing flexibility in its application across different industrial environments. This makes it a versatile solution for various motor control needs.
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4. Built-in Auxiliary ContactEquipped with a built-in auxiliary contact, the ABB AX50-30-00-81 offers additional control or signaling options. This feature enhances the contactor's functionality, allowing for more complex control schemes.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

70 mm

Product Net Depth / Length

110 mm

Product Net Height

108 mm

Product Net Weight

1.01 kg

Number of Main Contacts NO

Number of Main Contacts NC

5. Durable and Reliable PerformanceConstructed with high-quality materials, the AX50-30-00-81 contactor ensures durable and reliable performance. Its mechanical interlock technology prevents simultaneous closure of multiple contacts, reducing the risk of electrical faults and ensuring safe operation.

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

E-Number (Finland)

3707356

Manufacturer ID

1SBL351074R8100