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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3TF2001-0BB4 |
| Alternative Part Number | 3TF20010BB4 |
| Manufacturer | Siemens |
| Contactor Size | Size 00 |
| Number of Poles | 3-pole |
| Operating Voltage | AC-3 4 kW/400 V |
| Control Supply Voltage | DC 24 V |
| Operating Current at AC-3 | 9 A at 400 V |
| Operating Current at AC-4 | 2.6 A at 400 V |
| Rated Power at AC-1 | 10 kW at 400 V |
| Rated Power at AC-3 | 4 kW at 400 V |
| Auxiliary Contacts | 1NC (1 Normally Closed) |
| Terminal Type | Screw-type terminals |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Protection Class | IP20 on the front |
| Ambient Operating Temperature | -25°C to +55°C |
| Dimensions | Height: 48 mm, Width: 45 mm, Depth: 68 mm |
| Commodity Code | 85364900 |
The Siemens 3TF2001-0BB4 is a robust and reliable contactor designed to facilitate the control of electric motors and loads in various industrial applications. This compact device is part of the Siemens contactor range, known for its high-quality engineering and durability. With a size 00 frame, the 3TF2001-0BB4 is suitable for space-saving installations while still delivering the performance needed for demanding operations.
This contactor is equipped with a single normally closed (1NC) auxiliary contact and is capable of handling operating currents up to 9 A at AC-3 400 V, with an operating power of 4 kW at the same voltage. It is designed for a control supply voltage of 24 V DC, making it compatible with a wide range of control circuits.
The unit's screw-type terminals ensure a secure and reliable connection, while its ability to be mounted by screws or snapped onto a 35 mm standard mounting rail according to DIN EN 50022 offers flexibility in installation. With a height of 48 mm, a width of 45 mm, and a depth of 68 mm, the 3TF2001-0BB4 is compact yet powerful.
The contactor's protection class IP20 on the front provides a basic level of protection against solid objects, making it suitable for use in controlled environments. Its ambient operating temperature range from -25°C to 55°C allows for operation in a variety of climatic conditions.
The Siemens 3TF2001-0BB4 is a practical choice for those seeking a reliable solution for controlling electric motors and loads in industrial settings. Its combination of compact size, robust performance, and installation versatility makes it a valuable component in any electrical control system.
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Frequently Asked Questions
What type of contactor is this?
This is a miniature contactor designed for switching electric motors and other loads. It's a 3-pole device with a 1NC auxiliary contact, suitable for applications requiring a compact and reliable solution.
Can this contactor be used for heavy industrial applications?
While the contactor is robust and designed for industrial use, it's intended for moderate loads with an operational current of 9 A at AC-3 and 4 kW/400 V power rating. For heavier applications, a contactor with a higher power rating would be more suitable.
What is the coil voltage for this contactor?
The coil voltage for this contactor is 24 V DC, which is suitable for many control systems and allows for direct operation from a DC power source.
What is the size of the contactor?
The contactor is of size 00, which makes it quite compact with dimensions of 45 mm in width, 48 mm in height, and 68 mm in depth.
How can this contactor be mounted?
The contactor can be mounted using screws and can also be snapped onto a 35 mm standard mounting rail according to DIN EN 50022, allowing for flexible installation options.
What is the protection class of this contactor?
The contactor has a protection class of IP20 on the front, which means it's protected against solid objects larger than 12.5 mm but not against water.
What type of terminals does this contactor have?
This contactor is equipped with screw-type terminals for both the main current circuit and the auxiliary and control current circuit, ensuring secure and reliable connections.
Is this contactor suitable for side-by-side mounting?
Yes, this contactor is designed to allow for side-by-side mounting, which is ideal for saving space in electrical panels.
What is the ambient temperature range for operating this contactor?
The contactor can operate within an ambient temperature range of -25°C to +55°C, making it suitable for a variety of environmental conditions.
What are the main applications for this contactor?
This contactor is commonly used for controlling electric motors, lighting, heating, capacitor banks, thermal evaporators, and other electrical loads that require precise operation.
