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
3RA2120-1KD24-0BB4
Siemens 3RA2120-1KD24-0BB4 available at EU Automation. Get in touch today for a quick price.
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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 3RA2120-1KD24-0BB4 is a robust and reliable load feeder designed for fuseless direct-on-line starting applications. This component is part of the esteemed SIRIUS product range and is engineered to facilitate seamless integration into busbar systems measuring 60mm. It is suitable for use in AC networks with a voltage of 400V and is capable of handling currents ranging from 9 to 12.5A, with a control supply voltage rated at 24V DC.
Constructed to deliver high performance, the 3RA2120-1KD24-0BB4 boasts an insulation voltage rated at 690V AC and is equipped with a surge voltage resistance of 6kV, ensuring durability and resilience in challenging industrial environments. The device's electromechanical switching contact design ensures reliable operation, and it comes with an adjustable current response value for the current-dependent overload release, enhancing its versatility across various applications.
The unit's mechanical service life is impressive, with the contactor rated for approximately 10 million switching cycles, indicating a long-lasting and cost-effective solution for industrial automation needs. Additionally, it meets the ATEX directive 2014/34/EU for protection in potentially explosive atmospheres, making it suitable for a wide range of sectors, including those with stringent safety requirements.
With a compact design that allows for vertical mounting and easy snapping onto busbar systems, the Siemens 3RA2120-1KD24-0BB4 is a practical choice for those seeking a direct starter that combines efficiency with a straightforward installation process. Its thermal (bimetallic) overload release with a trip class of CLASS 10 ensures protection against overloads, contributing to the overall safety and longevity of the system it is part of.
Overall, the Siemens 3RA2120-1KD24-0BB4 is a testament to Siemens' commitment to quality, reliability, and innovation in the field of industrial control and automation.
Constructed to deliver high performance, the 3RA2120-1KD24-0BB4 boasts an insulation voltage rated at 690V AC and is equipped with a surge voltage resistance of 6kV, ensuring durability and resilience in challenging industrial environments. The device's electromechanical switching contact design ensures reliable operation, and it comes with an adjustable current response value for the current-dependent overload release, enhancing its versatility across various applications.
The unit's mechanical service life is impressive, with the contactor rated for approximately 10 million switching cycles, indicating a long-lasting and cost-effective solution for industrial automation needs. Additionally, it meets the ATEX directive 2014/34/EU for protection in potentially explosive atmospheres, making it suitable for a wide range of sectors, including those with stringent safety requirements.
With a compact design that allows for vertical mounting and easy snapping onto busbar systems, the Siemens 3RA2120-1KD24-0BB4 is a practical choice for those seeking a direct starter that combines efficiency with a straightforward installation process. Its thermal (bimetallic) overload release with a trip class of CLASS 10 ensures protection against overloads, contributing to the overall safety and longevity of the system it is part of.
Overall, the Siemens 3RA2120-1KD24-0BB4 is a testament to Siemens' commitment to quality, reliability, and innovation in the field of industrial control and automation.
| Specification | Description |
|---|---|
| Part Number | 3RA2120-1KD24-0BB4 |
| Alternative Part Number | 3RA21201KD240BB4 |
| Manufacturer | Siemens |
| Product Type | Non-fused load feeder |
| Size | S0 |
| Number of Poles | 3 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Short Circuit Protection | Yes |
| Overload Protection | Yes |
| Phase Disturbance Recognition | Yes |
| Auxiliary Switch | Yes |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Impulse Voltage Resistance | Rated at 6 kV |
| Protection Class | IP20 on the front |
| Electrical Shock Protection | Finger-safe |
| Operating Current | Rated at 32 A |
| Mechanical Operating Cycles | Typical 10,000,000 for auxiliary contacts |
| Operating Voltage | Rated at 690 V |
| Voltage Type | AC for main circuit |
| Service Power at AC-3 | 5,500 W at 400 V |
| Operating Current at AC-3 | 11.5 A at 400 V |
| Control Circuit Voltage Type | DC for auxiliary and control circuit |
| Holding Power of Solenoid | 5.9 W for DC |
| Number of Auxiliary Contacts | 1 NC contact and 1 NO contact |
| Overload Trip Class | CLASS 10 |
| Overload Release Design | Thermal (bimetallic) |
| Ambient Operating Temperature | -20 to +60 °C |
| Ambient Storage Temperature | -50 to +80 °C |
| Shock Resistance | 6g / 11 ms according to IEC 60068-2-27 |
| Mounting Type | For snapping onto 60 mm busbar systems |
| Dimensions (H x W x D) | 260 mm x 45 mm x 165 mm |
| Required Spacing | Various spacings required for safe installation, detailed in the datasheet |
| Type of Electrical Connection | Screw-type terminals for main current circuit |
| Connectable Conductor Cross-sections | 1 ... 10 mm² stranded, 2x (2.5 ... 6 mm²) for main contacts |
| Safety Related Data | B10 value with high demand rate according to SN 31920 |
| Certificates/Approvals | General Product Approval for use in hazardous locations and other certifications as specified |
What is the size of the load feeder for this Siemens contactor?
The load feeder for this Siemens contactor is size S0.
Can this device be used for direct-on-line starting?
Yes, this Siemens contactor is designed for fuseless direct-on-line starting.
What is the insulation voltage rating for this contactor?
The insulation voltage rating for this contactor, with a degree of pollution 3, is 690 V AC.
What type of terminals does this contactor have?
This contactor is equipped with screw terminals.
Is there short circuit protection included in this contactor?
Yes, this contactor includes short circuit protection with a magnetic design for the short-circuit trip.
What is the operating voltage range for this contactor?
The operating voltage range for this contactor at AC-3 is up to a rated value of 690 V.
What are the ambient temperature limits for operating this contactor?
The ambient temperature range for operating this contactor is between -20°C to +60°C.
What is the rated control supply voltage for this device?
The rated control supply voltage for this device is 24 V DC.
Does this contactor come with an auxiliary switch?
Yes, this contactor can be extended with an auxiliary switch.
What is the protection class of the front side of this contactor?
The front side of this contactor has a protection class of IP20.
What is the mechanical service life of this contactor?
The mechanical service life of this contactor is typically 10 million switching cycles.
Can this contactor be mounted on a busbar system?
Yes, this contactor is designed for snapping onto 60 mm busbar systems.
What is the conditional short-circuit current rating of this contactor?
The conditional short-circuit current rating (Iq) at 400 V according to IEC 60947-4-1 is 150,000 A.
What is the trip class of the overload release for this contactor?
The overload release for this contactor is of trip class 10.
- Direct starting of three-phase motors in industrial environments
- Integration into motor control systems for conveyor belts
- Control of pumps in water treatment and distribution applications
- Operation of fans and blowers in HVAC systems
- Starting mechanisms for compressors in refrigeration units
- Automation of gate and door opening systems in commercial settings
- Electrical control panels for manufacturing equipment
- Motor control for mixers and agitators in the food and beverage industry
- Use in assembly lines for automotive manufacturing
- Power management in packaging machinery
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.
5 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.
6 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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