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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RT2015-1BB44-3MA0 |
| Alternative Part Number | 3RT20151BB443MA0 |
| Manufacturer | Siemens |
| Contact Configuration | 3NO (3 Normally Open) |
| Rated Operational Current | 18 A |
| Rated Operational Voltage | 690 V ac |
| Control Supply Voltage | DC 24 V |
| Size of Contactor | S00 |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Ambient Operating Temperature | -25 … +60 °C |
| Protection Class | IP20 |
| Insulation Voltage | Rated at 690 V |
| Auxiliary Contacts | 2 NC (Normally Closed) + 2 NO (Normally Open) |
| Shock Resistance | At DC 6.7g / 5 ms, 4.2g / 10 ms; At sine pulse 10.5g / 5 ms, 6.6g / 10 ms |
| Impulse Voltage Resistance | Rated at 6 kV |
| Pull-in Power | 4 W (for DC) |
| Holding Power | 4 W (for DC) |
| Closing Delay | 30 … 100 ms (for DC) |
| Opening Delay | 7 … 13 ms (for DC) |
| Arcing Time | 10 … 15 ms |
| Mechanical Endurance | High durability with a robust build for industrial applications |
| Electrical Connection | Screw-type terminals for main, auxiliary, and control current circuits |
| Dimensions | Height: 58 mm, Width: 45 mm, Depth: 117 mm |
The Siemens 3RT2015-1BB44-3MA0 is a robust power contactor designed to handle a variety of switching tasks in industrial environments. This contactor is part of the SIRIUS product family, renowned for its reliability and efficiency. With a size S00 footprint, it is compact enough to fit in tight spaces while offering the performance needed for demanding applications.
This model features three normally open (NO) contacts and is rated for 18 A and 690 V ac, making it suitable for controlling motors and loads within its specification. The contactor operates with a DC control supply voltage of 24 V, ensuring compatibility with a wide range of control systems.
The device is engineered with screw terminals for secure and straightforward installation, and it includes captive auxiliary switches for SUVA applications, enhancing its functionality. The contactor is designed to withstand challenging conditions, with an operational temperature range from -25 to +60 degrees Celsius and a high degree of protection against electrical shock, ensuring finger-safe operation.
With a mechanical operating cycle life typically rated at 10 million, the Siemens 3RT2015-1BB44-3MA0 is built to last, providing a dependable solution for your power switching needs. Whether you're looking to control motors, pumps, or other heavy-duty equipment, this power contactor is an excellent choice for a wide array of industrial applications.
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Frequently Asked Questions
What type of contactor is this?
This is a power contactor designed for switching electric motors and other loads. It's part of the SIRIUS product family and is suitable for AC-3 applications, capable of handling 3 kW at 400 V.
Can this contactor be used in safety applications?
Yes, it has a captive auxiliary switch for SUVA applications, making it suitable for use in safety-related parts of control systems.
What is the rated operational voltage for this contactor?
The rated operational voltage for this contactor is 690 V ac.
What is the control supply voltage?
The control supply voltage for this contactor is 24 V DC.
How many auxiliary contacts does this contactor have?
This contactor is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts.
What is the size of this contactor?
The contactor is of size S00, which is a compact size for easy integration into various control systems.
What is the IP protection class of this contactor?
The contactor has an IP20 protection class rating on the front, ensuring a degree of protection against solid objects.
What are the ambient temperature operating limits?
The contactor can operate within an ambient temperature range of -25 °C to +60 °C.
What certifications does this contactor hold?
It holds general product approvals including EMC and KC, and it is also suitable for marine applications.
What is the mechanical operating life of this contactor?
The mechanical operating life of the contactor is typically around 10 million operating cycles.
