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AL40-30-01 240V DC Contactor


The ABB Brand AL40-30-01 240V DC Contactor is a high-performance device engineered to provide reliable control for 3-phase motors and various power circuits. With its robust design and versatile applications, this contactor is an essential component for both industrial and commercial electrical systems.

Key Features

  • Main Poles and Auxiliary Contacts: This contactor features three main poles and one built-in auxiliary contact. It also supports additional front and side-mounted auxiliary contact blocks, allowing for enhanced flexibility and customization.
  • Control Circuit: Operates on a DC control circuit with a solid core magnet circuit. It is crucial to respect the polarity on the coil terminals (A1+ and A2-) to ensure optimal performance.
  • Wide Range of Accessories: ABB offers a comprehensive selection of accessories to complement the AL40-30-01 contactor, making it adaptable to various specific needs and applications.


The AL40 series contactors are primarily used for controlling 3-phase motors but are also suitable for a wide array of other applications, including:

  • Power Circuit Control: Efficiently manages power circuits up to 690 V AC or 220 V DC.
  • Isolation: Ideal for isolating different parts of an electrical system for safety and maintenance.
  • Capacitor Switching: Suitable for switching capacitors in power factor correction systems.
  • Lighting Control: Can be employed in controlling large-scale lighting systems in commercial and industrial settings.

Design and Construction

The AL40-30-01 contactor boasts a block type design that ensures durability and reliability in demanding environments. The solid construction and high-quality materials used in manufacturing this contactor contribute to its long service life and consistent performance.

Energy Efficiency

Equipped with low consumption DC coils, the AL40-30-01 contactor is designed for energy efficiency. It is compatible with direct control by PLC outputs, making it an excellent choice for modern automated systems seeking to reduce energy consumption and operational costs.


The ABB Brand AL40-30-01 240V DC Contactor is a versatile and reliable solution for a wide range of electrical control applications. Its robust design, compatibility with various accessories, and energy-efficient operation make it a top choice for professionals seeking quality and performance in their electrical systems. Whether for motor control, power circuit management, or other applications, the AL40-30-01 contactor delivers outstanding results and dependable operation.


Max Mechanical Switching Frequency 3600 cycles per hour
Max Electrical Switching Frequency AC-1 600 cycles per hour, AC-2 / AC-4 300 cycles per hour, AC-3 1200 cycles per hour
Conventional Free-air Thermal Current (Ith) acc. to IEC 60947-5-1, q = 40 °C 16 ampere, acc. to IEC 60947-4-1, Open Contactors q = 40 °C 65 ampere
Coil Consumption Average Holding Value, from Warm State 3.5 watt, Average Pull-in Value, from Cold State 3.5 watt
Terminal Type Screw Terminals
Rated Operational Voltage Auxiliary Circuit 690 volt, Main Circuit 690 volt
Operate Time Between Coil De-energization and NC Contact Closing 18 … 28 millisecond, Between Coil De-energization and NO Contact Opening 12 … 18 millisecond, Between Coil Energization and NC Contact Opening 25 … 75 millisecond, Between Coil Energization and NO
Rated Control Circuit Voltage (Uc) DC Operation 240V
Rated Breaking Capacity AC-3 acc. to IEC 60947-4-1 8 x Ie AC-3
Rated Operational Power AC-3 (Pe) (220 / 230 / 240 V) 11 KWT, (380 / 400 V) 18.5 KWT, (415 V) 18.5 KWT, (440 V) 22 KWT, (500 V) 22 KWT, (690 V) 18.5 KWT
Rated Operational Current DC-13 (Ie) (125 V) 1.1 / 138 ampere, (24 V) 6 / 144 ampere, (250 V) 0.55 / 138 ampere, (48 V) 2.8 / 134 ampere, (72 V) 2 / 144 ampere
Rated Operational Current AC-3 (Ie) (220 / 230 / 240 V) 55 °C 40 ampere, (380 / 400 V) 55 °C 37 ampere, (415 V) 55 °C 37 ampere, (440 V) 55 °C 37 ampere, (500 V) 55 °C 33 ampere, (690 V) 55 °C 21 ampere
Rated Operational Current AC-15 (Ie) (220 / 240 V) 4 ampere, (24 / 127 V) 6 ampere, (380 / 440 V) 3 ampere, (500 V) 2 ampere, (690 V) 2 ampere
Rated Operational Current AC-1 (Ie) (690 V) 40 °C 60 ampere, (690 V) 55 °C 60 ampere, (690 V) 70 °C 42 ampere
Rated Making Capacity AC-3 acc. to IEC 60947-4-1 10 x Ie AC-3
Rated Frequency Limits 25 … 400 hertz
Rated Frequency (f) Supply Circuit 50 60 hertz
Package Width 100 millimetre
Package Length 134 millimetre
Package Height 62 millimetre
Invoice Description AL40-30-01 240V DC Contactor
Product Range AL40
Package Gross Weight 0.85 kilogram
Extended Product Type AL40-30-01 240V DC
Number of Aux Contacts NC 1
Ambient Air Temperature Close to Contactor for Storage -60 … +80 degree Celsius, Close to Contactor without Thermal O/L Relay (0.85 … 1.1 Uc) -40 … +55 degree Celsius, Close to Contactor Fitted with Thermal O/L Relay -25 … +55 degree Celsius, Close to Contactor without T
Rated Insulation Voltage (Ui) acc. to UL/CSA 600 volt, acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 1000 volt
Total GST Percentage 18.00

Additional information