3RT1034-3BB40

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The Siemens 3RT1034-3BB40 is a robust power contactor designed for industrial applications requiring reliable switching of motors and other electrical loads. This contactor is part of the SIRIUS product family, known for its high-quality performance and durability in demanding environments.

With a size S2 frame, the 3RT1034-3BB40 is equipped with three poles and a control voltage of 24 V DC, making it suitable for a wide range of direct current operations. It is capable of handling AC-3 category loads up to 15 kW at 400 V, which is a testament to its capability to manage significant power levels efficiently.

The contactor features spring-type terminals, which provide a secure and maintenance-free electrical connection, ensuring long-term reliability and ease of installation. The device is designed with a protection class of IP20 on the front, offering a degree of protection against solid objects and making it suitable for use in controlled environments.

Engineered for a mechanical service life of up to 10 million operating cycles, the Siemens 3RT1034-3BB40 is built to last, reducing the need for frequent replacements and maintenance. Its compact dimensions allow for space-saving installation, and the ability to mount it onto a 35 mm standard mounting rail according to DIN EN 50022 facilitates easy integration into existing systems.

The contactor's design ensures compatibility with a wide range of conductor cross-sections, both solid and stranded, providing flexibility for various wiring requirements. Additionally, the unit's compliance with international standards reflects its quality and suitability for global industrial applications.

Overall, the Siemens 3RT1034-3BB40 is a reliable and efficient solution for controlling high-power loads in industrial settings, offering both performance and durability.
Specification Description
Part Number 3RT1034-3BB40
Alternative Part Number 3RT10343BB40
Manufacturer Siemens
Product Type Power Contactor
Size of Contactor S2
Rated Insulation Voltage 690 V
Degree of Pollution 3
Surge Voltage Resistance 6 kV
Maximum Voltage for Safe Isolation 400 V between coil and main contacts according to EN 60947-1
Protection Class IP IP20 on the front, IP00 of the terminal
Shock Resistance 10g / 5 ms, 5g / 10 ms at DC
Mechanical Operating Cycles 10,000,000 typical
Number of Poles 3
Number of NO Contacts for Main Contacts 3
Operating Current at AC-3 32 A at 400 V
Operating Current at AC-1 50 A at 400 V
Control Supply Voltage 24 V DC
Operating Range Factor 0.8 … 1.1 for DC magnet coil
Mounting Type Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022
Width 55 mm
Height 112 mm
Depth 130 mm
Required Spacing 6 mm to earthed parts at the side
Connection Type Screw-type terminals for main circuit, Cage Clamp terminals for auxiliary and control circuit
Conductor Cross-section Solid: 2x (0.75 ... 16 mm²), Stranded: 2x (0.75 ... 25 mm²)
Operating Power at AC-3 15 kW at 400 V
Ambient Temperature Range -25 … +60 °C during operation
Installation Altitude Up to 2,000 m above sea level

What are the main characteristics of this contactor?

This contactor is a 3-pole device with a rated control supply voltage of 24 V DC. It's designed for AC-3 applications up to 15 kW at 400 V and has a size S2. The contactor features screw-type terminals for the main circuit and spring-loaded terminals for the auxiliary and control circuit.

Can this contactor be mounted on a DIN rail?

Yes, the contactor is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022. It also supports side-by-side mounting.

What is the insulation voltage rating of this contactor?

The insulation voltage rating of the contactor is 690 V, which is the rated value for ensuring safe operation.

What type of terminals does this contactor have?

The contactor is equipped with screw-type terminals for the main current circuit and spring-loaded terminals for the auxiliary and control current circuit.

What is the mechanical service life of this contactor?

The mechanical service life of the contactor is typically 10 million operating cycles, ensuring long-term reliability in various applications.

What are the dimensions of this contactor?

The dimensions of the contactor are 112 mm in height, 55 mm in width, and 130 mm in depth, making it compact for its capabilities.

What is the operating current rating for AC-3 usage at 400 V?

For AC-3 usage at 400 V, the operating current rating is 32 A.

Is this contactor suitable for use in environments with high ambient temperatures?

The contactor can operate within an ambient temperature range of -25 to +60 degrees Celsius, making it suitable for various industrial environments.

What is the protection class of the contactor's front side?

The front side of the contactor has a protection class of IP20, providing a degree of protection against solid objects.

What is the rated operating frequency for this contactor in AC-3 applications?

The rated operating frequency for the contactor in AC-3 applications is 1,000 operations per hour.

  • Controlling motors in industrial applications
  • Switching heating elements in HVAC systems
  • Managing lighting circuits in commercial buildings
  • Operating pumps in water treatment facilities
  • Controlling electromagnetic loads in automation systems
  • Managing power distribution in control panels
  • Activating solenoid valves in pneumatic systems
  • Switching capacitive loads in power factor correction units
  • Regulating transformers in electrical substations
  • Facilitating operations in conveyor belt 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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