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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2024-1BB44 |
| Alternative Part Number | 3RT20241BB44 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current | 12 A |
| Rated Operational Power | 5.5 kW (at 400V AC-3) |
| Coil Voltage | 24 V dc |
| Terminal Type | Screw terminal |
| Auxiliary Contacts | Removable auxiliary switch |
| Size of Contactor | S0 |
| Protection Class | IP20 on the front |
| Degree of Pollution | 3 |
| Installation Altitude | Up to 2,000 m above sea level |
| Ambient Temperature Range | -25 … +60 °C during operation, -55 … +80 °C during storage |
| Shock Resistance | 10g / 5 ms, 7.5g / 10 ms at DC (rectangular impulse), 15g / 5 ms, 10g / 10 ms at DC (sine pulse) |
| Impulse Voltage Resistance | Rated value 6 kV |
| Insulation Voltage | Rated value 690 V |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Commodity Code | 85364900 |
The Siemens 3RT2024-1BB44 is a robust power contactor designed to handle a variety of applications within industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency. With a 3-pole configuration and a control voltage of 24 V DC, it is suitable for AC-3 applications up to 5.5 kW at 400 V. The contactor features a size S0 footprint, making it compact enough for standard installations while still offering powerful performance.
This model comes equipped with screw terminals for secure and straightforward connections, as well as removable auxiliary switches for enhanced functionality. It is rated for an insulation voltage of 690 V and has an impulse voltage resistance of 6 kV, ensuring it can withstand the rigours of demanding electrical environments. The contactor is designed with a protection class of IP20, providing a degree of protection against solid objects and ensuring the safety of finger contact with its finger-safe terminals.
The Siemens 3RT2024-1BB44 is engineered for durability, boasting a mechanical operating life of up to 10 million cycles, which speaks to its longevity and reliability in repetitive use scenarios. Its ambient operating temperature range of -25 to +60 degrees Celsius allows for operation in a wide range of environmental conditions, making it a versatile choice for various industrial applications.
This power contactor is an ideal solution for those seeking a high-quality, dependable component for controlling motors and loads efficiently in industrial settings.
Commonly Asked Questions
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Frequently Asked Questions
What type of contactor is this?
This is a power contactor designed for switching an electrical power circuit, similar to a relay but with higher current ratings.
Can this contactor be used for three-phase applications?
Yes, it is suitable for three-phase applications, specifically designed to handle the switching of motors.
What is the rated operational voltage for this contactor?
The contactor has a control circuit voltage of 24 V DC.
What are the main characteristics of the contactor's terminals?
The contactor features screw-type terminals for secure and reliable connections.
Is there an auxiliary switch available with this contactor?
Yes, the contactor comes with a removable auxiliary switch.
What is the IP protection class of this contactor?
The contactor has an IP20 protection class rating on the front, providing a degree of protection against solid objects.
What is the rated operational current of this contactor?
The contactor has a rated operational current of 12 A.
What is the power rating for AC-3 usage of this contactor?
For AC-3 usage, the contactor has a power rating of 5.5 kW at 400V.
What are the dimensions of this contactor?
The exact dimensions are not specified here, but it belongs to the S0 size category, which is a standard size for Siemens contactors.
How many poles does this contactor have?
This contactor is a 3-pole device, commonly used for three-phase circuits.
What is the ambient temperature range for operating this contactor?
The contactor can operate within an ambient temperature range of -25 °C to +60 °C.
What certifications does this contactor have?
The contactor has general product approvals and certifications, which can be provided upon request.
How many mechanical operating cycles can this contactor withstand?
The contactor is designed for typically 10 million mechanical operating cycles.
Can this contactor be used for safety-related switching off?
Yes, it is suitable for safety-related switching off applications.
