3RT1024-1BB44-3MA0

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The Siemens 3RT1024-1BB44-3MA0 is a robust power contactor designed for reliable performance in industrial applications. This contactor is part of the SIRIUS range and is engineered to handle demanding electrical tasks with efficiency. It operates at a control voltage of 24 V DC and is capable of managing a power rating of 5.5 kW at 400 V in AC-3 applications. With a rated operational current of 12 A, it is suitable for a variety of motor control tasks.

The 3RT1024-1BB44-3MA0 features a compact design with dimensions of 45 mm in width, 85 mm in height, and 150 mm in depth, making it ideal for installations where space is at a premium. It supports both screw and snap-on mounting onto a 35 mm standard rail, ensuring ease of installation and integration into existing systems.

This contactor is equipped with three normally open main contacts and two normally open plus two normally closed auxiliary contacts, providing flexibility in control circuit configurations. The device is built to withstand mechanical operations up to 10 million cycles, ensuring long-term durability and reliability.

With an IP20 protection rating, the Siemens 3RT1024-1BB44-3MA0 is designed for safe operation in controlled environments. It is suitable for use at altitudes up to 2,000 metres and can operate within a temperature range of -25 to +60 degrees Celsius, making it versatile for various industrial settings.
Specification Description
Part Number 3RT1024-1BB44-3MA0
Manufacturer Siemens
Product Type Power Contactor
Voltage 24 V DC
Power Rating 23 kW
Current Rating 40 A
Number of Poles 3 Poles
Contactor Size S0
Protection Class IP20
Operating Temperature Range -25°C to +60°C
Mechanical Operating Cycles 10,000,000 cycles
Main Circuit Contacts 3 Normally Open (NO)
Auxiliary Circuit Contacts 2 Normally Open (NO), 2 Normally Closed (NC)
Mounting Type Screw and snap-on mounting onto 35 mm standard rail
Dimensions (W x H x D) 45 mm x 85 mm x 150 mm
Conductor Cross-Section (Main) Solid: 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), max. 2x 10 mm²; Finely stranded: 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²)
Conductor Cross-Section (Auxiliary) Solid: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²); Finely stranded: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Application Suitable for use in various industrial applications requiring reliable switching and control of electrical power circuits.
Additional Features Designed for high performance and durability, ensuring efficient operation in demanding environments.

What is the primary function of this Siemens power contactor?

The Siemens power contactor is designed to control electric motors and other high-power loads by switching them on and off in response to control signals.

What is the maximum operating current for this contactor?

The maximum operating current for this contactor is 40 A at AC-1 and 12 A at AC-3 for 400 V applications.

What are the dimensions of this Siemens power contactor?

The dimensions of the Siemens power contactor are 45 mm in width, 85 mm in height, and 150 mm in depth.

What type of mounting is supported by this contactor?

This contactor supports screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.

What is the rated control supply voltage for this contactor?

The rated control supply voltage for this contactor is 24 V DC.

How many poles does this Siemens contactor have?

This Siemens contactor is a 3-pole device.

What is the service power rating of this contactor at 400 V?

The service power rating of this contactor at 400 V is 5.5 kW for AC-3 applications.

What is the degree of protection for this contactor?

The degree of protection for this contactor is IP20 on the front.

What is the typical mechanical operating life of this contactor?

The typical mechanical operating life of this contactor is 10,000,000 cycles.

What type of terminals does this contactor use for connections?

This contactor uses screw-type terminals for both main and auxiliary circuits.

  • Utilized in industrial automation systems for controlling electric motors.
  • Employed in manufacturing plants to manage conveyor belt operations.
  • Used in HVAC systems to control the operation of compressors and fans.
  • Integrated into machinery for starting and stopping pumps in water treatment facilities.
  • Applied in the automotive industry for assembly line automation.
  • Essential in power distribution systems for switching and protection.
  • Used in renewable energy systems to manage the operation of wind turbines and solar panels.
  • Implemented in building management systems for controlling lighting and ventilation.

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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