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
3RT2025-1BB44-3MA0
Siemens 3RT2025-1BB44-3MA0 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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.
All orders are subject to product availability. See our T&Cs.
Ask our team
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 3RT2025-1BB44-3MA0 is a robust power contactor designed to handle high switching frequencies with reliability and precision. Engineered for AC-3 applications, this contactor is capable of managing motors with a power rating of 7.5 kW at 400 V. It features a compact size S0 footprint, making it suitable for integration into various industrial control systems where space is at a premium.
This contactor comes equipped with 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility for a range of circuit configurations. The DC 24V control voltage ensures low power consumption and compatibility with standard DC control circuits. The screw terminal connections offer a secure and durable means of integrating the contactor into your system.
With a finger-safe design and an IP20 protection class rating on the front, the 3RT2025-1BB44-3MA0 ensures safety during operation and maintenance. It is designed to withstand challenging environmental conditions, with an operational temperature range from -25 °C to +60 °C and storage temperature capabilities from -55 °C to +80 °C. The contactor can also be installed at altitudes up to 2,000 meters without derating, making it versatile for various industrial settings.
The mechanical operating life of this contactor is impressive, with up to 10 million operating cycles, indicating its durability and long service life. Additionally, the contactor's shock resistance and impulse voltage resistance are testament to its robustness in industrial environments subject to electrical disturbances.
Siemens' commitment to quality and reliability is evident in the 3RT2025-1BB44-3MA0, making it a preferred choice for professionals seeking a dependable solution for controlling power circuits in industrial applications.
This contactor comes equipped with 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility for a range of circuit configurations. The DC 24V control voltage ensures low power consumption and compatibility with standard DC control circuits. The screw terminal connections offer a secure and durable means of integrating the contactor into your system.
With a finger-safe design and an IP20 protection class rating on the front, the 3RT2025-1BB44-3MA0 ensures safety during operation and maintenance. It is designed to withstand challenging environmental conditions, with an operational temperature range from -25 °C to +60 °C and storage temperature capabilities from -55 °C to +80 °C. The contactor can also be installed at altitudes up to 2,000 meters without derating, making it versatile for various industrial settings.
The mechanical operating life of this contactor is impressive, with up to 10 million operating cycles, indicating its durability and long service life. Additionally, the contactor's shock resistance and impulse voltage resistance are testament to its robustness in industrial environments subject to electrical disturbances.
Siemens' commitment to quality and reliability is evident in the 3RT2025-1BB44-3MA0, making it a preferred choice for professionals seeking a dependable solution for controlling power circuits in industrial applications.
| Specification | Description |
|---|---|
| Part Number | 3RT2025-1BB44-3MA0 |
| Alternative Part Number | 3RT20251BB443MA0 |
| Manufacturer | Siemens |
| Product Type | Power Contactor |
| Contactor Size | S0 |
| Rated Operational Voltage | AC-3, 7.5 kW/400 V |
| Auxiliary Contacts | 2NO+2NC |
| Coil Voltage | DC 24 V |
| Number of Poles | 3-Pole |
| Terminal Type | Screw Terminal |
| Auxiliary Switch | Permanent for SUVA applications |
| Protection Class IP | IP20 |
| Pollution Degree | 3 |
| Installation Altitude | Up to 2,000 metres above sea level |
| Ambient Temperature Range | -25 … +60 °C (operating), -55 … +80 °C (storage) |
| Shock Resistance | 10g / 5 ms, 7.5g / 10 ms (rectangular impulse at DC), 15g / 5 ms, 10g / 10 ms (sine pulse at DC) |
| Impulse Voltage Resistance | 6 kV |
| Insulation Voltage | 690 V |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail |
| Dimensions (H x W x D) | 85 mm x 45 mm x 151 mm |
| Connectable Conductor Cross-section | 1 … 10 mm² (solid, stranded, finely stranded with core end processing) |
| Safety Features | Finger-safe, mirror contact according to IEC 60947-4-1 |
What is the size of the contactor?
The contactor is of size S0, which is a standard size for this type of device, allowing for compatibility with various installations.
Can this contactor be used with auxiliary switches?
Yes, the contactor is designed to be used with permanent auxiliary switches, although it does not come with an auxiliary switch as a product extension.
What is the IP protection class of the contactor?
The contactor has an IP20 protection class on the front, providing a degree of protection against solid objects but not liquids.
What are the operating and storage temperature ranges for this contactor?
The operating temperature range is from -25°C to +60°C, and the storage temperature range is from -55°C to +80°C.
What is the rated insulation voltage for this contactor?
The rated insulation voltage for the contactor is 690V.
How many mechanical operating cycles can this contactor withstand?
The contactor is designed to withstand typically 10 million mechanical operating cycles.
What is the control supply voltage for this contactor?
The control supply voltage for the contactor is DC 24V.
What is the maximum installation altitude for this contactor?
The maximum installation altitude for the contactor is 2,000 meters above sea level.
Does this contactor have a mirror contact feature?
Yes, the contactor includes a mirror contact feature according to IEC 60947-4-1.
What are the dimensions of the contactor?
The contactor has a width of 45mm, a height of 85mm, and a depth of 151mm.
Can this contactor be mounted on a DIN rail?
Yes, it can be mounted on a 35mm standard mounting rail according to DIN EN 50022.
What are the contact ratings for this contactor according to UL standards?
According to UL standards, the contact ratings for auxiliary contacts are designated as A600/Q600.
Is the contactor suitable for safety-related switching off?
Yes, the contactor is suitable for safety-related switching off applications.
- Controlling motors in industrial applications
- Switching heating elements in HVAC systems
- Operating pumps in water treatment facilities
- Managing lighting circuits in commercial buildings
- Activating electromagnetic devices in automation systems
- Regulating power circuits in manufacturing processes
- Controlling conveyor belts in material handling systems
- Switching compressors in refrigeration units
- Operating fans in ventilation systems
- Managing electrical circuits in agricultural 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.
Delivery
- Logistic partners UPS, FedEx and DHL
- International delivery available
- Premium nine hour delivery service available to anywhere in Europe
- Same day dispatch from group stock
Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Services
Sourcing your part
Global supplier of quality automation and control components
Service Exchange
Dispose of your old unit by exchanging it for a working part.
Repair
A comprehensive repair service for faulty equipment.
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.
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
Be a Factory Hero.
Get parts fast.
You don’t need tights and a cape to be a hero.
Get parts fast and feel like a legend, just like Jeff.