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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3TF2222-0BB4 |
| Alternative Part Number | 3TF22220BB4 |
| Manufacturer | Siemens |
| Type | Contactor |
| Poles | 3 Poles |
| Auxiliary Contacts | 2NO/2NC |
| Operating Current at AC-3 | 9 A |
| Operating Performance at AC-3 | 4 kW @ 400 V |
| Control Supply Voltage | 24 V dc |
| Size | S00 |
| Protection Class IP | IP20 |
| Ambient Operating Temperature | -25°C to +55°C |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Width | 45 mm |
| Height | 48 mm |
| Depth | 96 mm |
| Electrical Connection | Screw-type terminals for main current circuit and auxiliary/control current circuit |
| Commodity Code | 853649 |
The Siemens 3TF2222-0BB4 is a robust and reliable contactor designed for a wide range of industrial applications. This compact device is engineered to facilitate the control of electric motors and other electrical loads with precision and efficiency. With a size 00 form factor, it is suitable for space-conscious installations, offering a neat and organised setup.
Featuring three poles and auxiliary contacts configured as 2NO/2NC, the 3TF2222-0BB4 ensures versatile connection possibilities for various circuit designs. It is capable of handling operating currents up to 9 A at AC-3 and 400 V, with an operating power of 4 kW at the same voltage, making it an excellent choice for small to medium power requirements.
The contactor operates with a 24 V DC control supply voltage and employs a conventional switch operating mechanism. Its screw-type terminals provide secure and reliable connections for both the main and auxiliary circuits. The device is also designed for easy mounting, with options for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022, which supports side-by-side installation.
With an ambient operating temperature range of -25 to +55 °C and an IP20 protection class on the front, the 3TF2222-0BB4 is built to withstand challenging industrial environments while maintaining performance and durability. Its width of 45 mm, height of 48 mm, and depth of 96 mm make it a compact solution that can be integrated into various control systems without compromising on space.
The Siemens 3TF2222-0BB4 is a testament to quality engineering, offering reliable performance for controlling electrical loads in industrial settings.
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Frequently Asked Questions
What are the main characteristics of this contactor?
This Siemens contactor is a 3-pole device with a control voltage of 24 V DC. It has an operating current at AC-3 of 9 A at 400 V and an operating power at AC-3 of 4 kW at 400 V. It features screw-type terminals for both the main and auxiliary circuits and has an auxiliary contact configuration of 2NO+2NC.
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, which allows for easy installation and removal.
What is the size of the contactor and how much space does it require?
The contactor is classified as size 00, with dimensions of 45 mm in width, 48 mm in height, and 96 mm in depth, making it compact and suitable for use in space-constrained environments.
What is the ambient temperature range for operating this contactor?
The contactor is designed to operate within an ambient temperature range of -25°C to +55°C, ensuring reliable performance across a wide range of environmental conditions.
What type of protection does the contactor offer?
The front of the contactor is rated at IP20, providing protection against solid objects larger than 12.5 mm but not against water.
How can I identify this contactor in a control system?
The contactor can be identified by its reference code according to DIN EN 61346-2, which is 'Q', and the reference code according to DIN 40719 extended according to IEC 204-2 or IEC 750, which is 'K'.
What certifications does this contactor have?
The contactor has general product approvals and may have additional certifications such as Type Examination Certificates or Declarations of Conformity, depending on the specific requirements.
Is this contactor suitable for side-by-side mounting?
Yes, the contactor is designed for side-by-side mounting, allowing for efficient use of space within control panels.
What is the rated control supply voltage for this contactor?
The rated control supply voltage for the contactor's DC solenoid system is 24 V DC.
What are the auxiliary contact specifications for this contactor?
The contactor includes 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for instantaneous switching, providing flexibility for various control circuit configurations.
