3RT2018-2BB42

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The Siemens 3RT2018-2BB42 is a robust and reliable power contactor designed for efficient performance in a variety of industrial applications. With a rated operating voltage of AC-3 16 A, 7.5 kW / 400 V, this 3-pole contactor is capable of handling demanding power requirements. It features a single NC (Normally Closed) contact and operates at a coil voltage of 24 V DC.

This power contactor is part of the SIRIUS product line and is of the S00 size, making it compact and suitable for installations where space is a premium. It is equipped with spring-type terminals for both the main current circuit and auxiliary and control circuit, ensuring secure and reliable connections.

The 3RT2018-2BB42 is designed to withstand surge voltage resistance of up to 6 kV for both the main and auxiliary circuits. It also boasts a mechanical service life of up to 30 million switching cycles, demonstrating its durability and longevity.

With an ambient operating temperature range of -25 to +60 °C, this power contactor can perform optimally in a wide range of environmental conditions. It also features a protection class IP20 on the front, providing a degree of protection against solid objects and touch by hands.

Whether you're managing power distribution or motor control, the Siemens 3RT2018-2BB42 power contactor is a reliable choice for your automation needs.
Specification Description
Part Number 3RT2018-2BB42
Alternative Part Number 3RT20182BB42
Manufacturer Siemens
Voltage 24 V dc
Power 22 kW
Current 22 A
Poles 3 Poles
Size S00
Short Description Power contactor, AC-3 16 A, 7.5 kW / 400 V 1 NC, 24 V DC 3-pole
Commodity Code 853649
Safety-Related Switching OFF Yes
Type of Electrical Connection for Main Current Circuit Spring-loaded terminals
Type of Electrical Connection for Auxiliary and Control Circuit Spring-loaded terminals
Connectable Conductor Cross-Section for Main Contacts 0.5 ... 4 mm²
Connectable Conductor Cross-Section for Auxiliary Contacts 0.5 ... 4 mm²
Protection Class IP on the Front IP20
B10 Value with High Demand Rate 1 000 000
Failure Rate with Low Demand Rate 100 FIT
T1 Value for Proof Test Interval or Service Life 20 years

What is the power rating of this Siemens Power Contactor?

The Siemens Power Contactor has a power rating of 22 kW at 24 V dc.

How many poles does this Power Contactor have?

This Power Contactor has 3 poles.

What is the size of this Power Contactor?

The size of this Power Contactor is S00.

What is the current rating of this Power Contactor?

The current rating of this Power Contactor is 22 A.

What is the operating voltage of this Power Contactor?

The operating voltage of this Power Contactor is 24 V DC.

What is the Commodity Code of this Power Contactor?

The Commodity Code of this Power Contactor is 853649.

What is the short description of this Power Contactor?

The short description of this Power Contactor is: Power contactor, AC-3 16 A, 7.5 kW / 400 V 1 NC, 24 V DC 3-pole.

What is the mechanical service life of this Power Contactor?

The mechanical service life of this Power Contactor is typically 30,000,000 switching cycles.

What is the ambient temperature range for operation of this Power Contactor?

The ambient temperature range for operation of this Power Contactor is -25 to +60 °C.

What type of terminals does this Power Contactor have?

This Power Contactor has spring-type terminals.

  • Control of electric motors in various industrial applications
  • Switching of heating elements in HVAC systems
  • Control of lighting systems in commercial and industrial settings
  • Use in automation systems for process control
  • Switching of electrical circuits in power distribution systems
  • Control of pumps and fans in various industries
  • Use in conveyor systems for material handling
  • Integration in control panels for machine tools
  • Use in control systems for packaging machines
  • Switching of resistive and inductive loads in electrical systems.

This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.

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