steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
3 months ago
3RT1046-1BB44
Siemens 3RT1046-1BB44 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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2. Dedicated Account Manager
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3. Your quote
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RT1046-1BB44 Power Contactor is a robust and reliable switching device designed for controlling power circuits in industrial applications. This three-pole contactor is engineered to handle significant electrical loads, making it an ideal choice for managing motors and other heavy-duty electrical equipment.
Crafted with precision, the contactor boasts a high operating current capacity of 120 A at AC-1, 400 V, and can efficiently manage AC-3 category loads up to 95 A at 400 V. Its impressive power handling capabilities are evident with its ability to control 45 kW motors at 400 V, ensuring smooth operation in demanding environments.
The contactor features a DC control circuit with a 24 V rated control supply voltage, providing a stable and secure low-voltage operation for the coil. The inclusion of 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts allows for flexible configuration in various control circuits, enhancing its adaptability to different operational requirements.
Designed with a size S3 frame, the contactor ensures a compact footprint while maintaining its high-performance characteristics. The screw connection terminals offer a secure and reliable connection, facilitating easy installation and maintenance.
With a mechanical service life of up to 10 million operating cycles, the Siemens 3RT1046-1BB44 Power Contactor is built to last, offering long-term reliability and reduced maintenance needs. Its operational temperature range from -25 to +60 °C and an installation altitude capability of up to 2000 metres above sea level, make it suitable for a wide range of environmental conditions.
Overall, the Siemens 3RT1046-1BB44 Power Contactor is a high-quality component that provides efficient and dependable performance for industrial power management tasks. Its robust construction and versatile features make it a valuable addition to any electrical control system.
Crafted with precision, the contactor boasts a high operating current capacity of 120 A at AC-1, 400 V, and can efficiently manage AC-3 category loads up to 95 A at 400 V. Its impressive power handling capabilities are evident with its ability to control 45 kW motors at 400 V, ensuring smooth operation in demanding environments.
The contactor features a DC control circuit with a 24 V rated control supply voltage, providing a stable and secure low-voltage operation for the coil. The inclusion of 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts allows for flexible configuration in various control circuits, enhancing its adaptability to different operational requirements.
Designed with a size S3 frame, the contactor ensures a compact footprint while maintaining its high-performance characteristics. The screw connection terminals offer a secure and reliable connection, facilitating easy installation and maintenance.
With a mechanical service life of up to 10 million operating cycles, the Siemens 3RT1046-1BB44 Power Contactor is built to last, offering long-term reliability and reduced maintenance needs. Its operational temperature range from -25 to +60 °C and an installation altitude capability of up to 2000 metres above sea level, make it suitable for a wide range of environmental conditions.
Overall, the Siemens 3RT1046-1BB44 Power Contactor is a high-quality component that provides efficient and dependable performance for industrial power management tasks. Its robust construction and versatile features make it a valuable addition to any electrical control system.
| Specification | Description |
|---|---|
| Part Number | 3RT1046-1BB44 |
| Alternative Part Number | 3RT10461BB44 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Poles | 3 Pole, 3P-3NO |
| Rated Operational Voltage | 400 V |
| Rated Operational Current | 120 A |
| Power Rating | 45 kW |
| Contactor Size | Size S3 |
| Connection Type | Screw Connection |
| Number of Auxiliary Contacts | 2 NO + 2 NC |
| Rated Control Supply Voltage | DC 24 V |
| Operating Frequency at AC-1 | Maximum 900 1/h |
| Operating Frequency at AC-3 | Maximum 850 1/h |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Insulation Voltage | Rated value 1,000 V |
| Degree of Pollution | 3 |
| Protection Class IP | IP20 |
| Installation Altitude | Maximum 2,000 m above sea level |
| Ambient Operating Temperature | -25 … +60 °C |
| Shock Resistance | At DC 6,8g / 5 ms, 4g / 10 ms |
| Surge Voltage Resistance | Rated value 6 kV |
| Contact Reliability | 1 faulty switching per 100 million (17 V, 1 mA) |
What are the main characteristics of this power contactor?
This power contactor is a 3-pole device with 3 normally open (NO) contacts, rated for AC-3 95 A and 45 kW at 400 V. It has a control supply voltage of 24 V DC and includes 2 NO + 2 NC auxiliary contacts. It's designed for screw terminal connections and is part of the SIRIUS product family.
Can this contactor be used in high-altitude installations?
Yes, this contactor can be used at installation altitudes up to 2,000 metres above sea level without derating.
What is the typical mechanical service life of this contactor?
The typical mechanical service life of the contactor is around 10 million operating cycles, ensuring long-term reliability for your applications.
What is the operating temperature range for this contactor?
The operating temperature range for this contactor is between -25°C and +60°C, making it suitable for a variety of environmental conditions.
What type of protection does the contactor offer?
The contactor offers IP20 protection on the front, ensuring that it is protected against solid objects larger than 12.5 mm but not against water.
How does the contactor handle shock and vibration?
The contactor is designed to withstand shock resistance at rectangular impulse and sine pulse at DC, as specified in its technical data, ensuring robust performance in environments with vibration and shock.
What are the dimensions of this contactor?
For specific dimensions of the contactor, please refer to the datasheet or contact us directly for detailed information.
Is this contactor suitable for use in both AC and DC applications?
This contactor is primarily designed for AC applications, with specific ratings for AC-1, AC-2, AC-3, and AC-4 utilisation categories. It also has a DC control supply voltage and can switch DC loads within its specified ratings.
What is the insulation voltage rating for this contactor?
The insulation voltage rating for this contactor is 1,000 V, which is the rated value for ensuring safe operation and isolation.
Can this contactor be used for motor control applications?
Yes, this contactor is suitable for motor control applications, with an AC-3 rating of 45 kW at 400 V, making it capable of handling the demands of starting and stopping motors.
- Controlling large motors in industrial applications
- Starting and stopping heavy-duty machinery
- Managing electrical circuits in manufacturing plants
- Regulating power distribution in conveyor systems
- Operating pumps in water treatment facilities
- Switching lighting systems in commercial buildings
- Controlling heating elements in industrial ovens
- Managing electromechanical processes in automation systems
- Activating magnetic coils in electrical equipment
- Facilitating operations in HVAC 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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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
4 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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