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 weeks ago
3TX4440-2A
Siemens 3TX4440-2A 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
You will receive a comprehensive quote tailored to your specific needs.
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 3TX4440-2A is a high-quality auxiliary switch block designed to complement contactor relays and power contactors in a variety of industrial applications. This component is engineered to facilitate reliable switching operations within electrical circuits, ensuring seamless control and management of connected devices.
Crafted with precision, the 3TX4440-2A features four normally open (NO) contacts, capable of handling an operating current of up to 10 A at 230 V ac. Its robust construction allows it to withstand mechanical operating cycles typically up to 10 million, highlighting its durability and long service life.
The switch block is equipped with screw terminals, providing a secure and stable connection for auxiliary and control current circuits. It is designed for snap-on mounting, which simplifies installation and maintenance processes. With a compact width of 12 mm, height of 70 mm, and depth of 51.5 mm, it integrates seamlessly into electrical systems without requiring excessive space.
Safety is a paramount consideration in the design of the 3TX4440-2A, which includes features such as positively driven operation compliant with IEC 60947-5-1 standards. This ensures that the switch block operates reliably within the safety parameters of industrial control systems.
The Siemens 3TX4440-2A auxiliary switch block is a testament to the brand's commitment to quality, reliability, and performance in industrial control products. It is an essential component for professionals seeking to enhance the functionality and efficiency of their electrical control systems.
Crafted with precision, the 3TX4440-2A features four normally open (NO) contacts, capable of handling an operating current of up to 10 A at 230 V ac. Its robust construction allows it to withstand mechanical operating cycles typically up to 10 million, highlighting its durability and long service life.
The switch block is equipped with screw terminals, providing a secure and stable connection for auxiliary and control current circuits. It is designed for snap-on mounting, which simplifies installation and maintenance processes. With a compact width of 12 mm, height of 70 mm, and depth of 51.5 mm, it integrates seamlessly into electrical systems without requiring excessive space.
Safety is a paramount consideration in the design of the 3TX4440-2A, which includes features such as positively driven operation compliant with IEC 60947-5-1 standards. This ensures that the switch block operates reliably within the safety parameters of industrial control systems.
The Siemens 3TX4440-2A auxiliary switch block is a testament to the brand's commitment to quality, reliability, and performance in industrial control products. It is an essential component for professionals seeking to enhance the functionality and efficiency of their electrical control systems.
| Specification | Description |
|---|---|
| Part Number | 3TX4440-2A |
| Alternative Part Number | 3TX44402A |
| Manufacturer | Siemens |
| Product Type | Auxiliary Switch Block |
| Number of Contacts | 4 Normally Open (NO) |
| Rated Operational Voltage | 230 V ac |
| Rated Operational Current | 10 A |
| Insulation Voltage | 690 V |
| Impulse Voltage Resistance | 6 kV |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Ambient Operating Temperature Range | -25 … +55 °C |
| Storage Temperature Range | -55 … +80 °C |
| Protection Class | IP20 |
| Mounting Type | Snap-on mounting |
| Width | 12 mm |
| Height | 70 mm |
| Depth | 51.5 mm |
| Connection Type | Screw-type terminals |
| Conductor Cross-section Range | 2x (0.5 ... 1.0 mm²), 2x (0.75 ... 2.5 mm²) for finely stranded with conductor end processing |
| AWG Conductor Range | 2x (18 ... 12) for auxiliary contacts |
| Compliance | Positively driven operation to IEC 60947-5-1 |
| Commodity Code | 85365080 |
What is the voltage rating for this auxiliary switch block?
The auxiliary switch block is rated for an insulation voltage of 690 V and can operate with a control voltage of 230 V ac.
How many mechanical operating cycles can this auxiliary switch block withstand?
This auxiliary switch block is designed to withstand typically 10 million mechanical operating cycles.
What is the ambient temperature range for operating this auxiliary switch block?
The auxiliary switch block can operate within an ambient temperature range of -25 °C to +55 °C.
Can this auxiliary switch block be used with DC circuits?
Yes, the 3TX4440-2A can be used with DC circuits and has different operating currents depending on the voltage, ranging from 10 A at 24 V to 0.48 A at 220 V.
What type of terminals does this auxiliary switch block have for connection?
The auxiliary switch block is equipped with screw-type terminals for secure and reliable connections.
Is the auxiliary switch block equipped with any NC contacts?
No, the auxiliary switch block does not have any normally closed (NC) contacts; it comes with 4 normally open (NO) contacts.
What is the width of the auxiliary switch block for mounting purposes?
The width of the auxiliary switch block is 12 mm, making it compact and suitable for various mounting configurations.
Does this auxiliary switch block have a protection class rating?
Yes, the front of the auxiliary switch block has a protection class rating of IP20.
What is the function of a positively driven operation in this auxiliary switch block?
A positively driven operation ensures that the contacts within the auxiliary switch block follow each other in such a way that they cannot be in conflicting states, enhancing safety and reliability in control circuits.
How can I mount this auxiliary switch block?
The auxiliary switch block is designed for snap-on mounting, which allows for quick and easy installation onto compatible devices.
- Integration into motor control centres for auxiliary switching functions
- Use in control panels for automation processes
- Implementation in conveyor systems for operational control
- Installation in HVAC systems for auxiliary control
- Utilisation in manufacturing lines for signalling purposes
- Incorporation in packaging machinery for sequence control
- Application in material handling equipment for interlocking operations
- Deployment in pump control circuits as an auxiliary relay
- Inclusion in lighting control systems for additional switching capabilities
- Embedding in control circuits of compressors for auxiliary operations
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.
2 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!
2 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!
2 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.
3 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!
4 months ago
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