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
4 weeks ago
3TX4404-0A
Siemens 3TX4404-0A 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 3TX4404-0A is a high-quality auxiliary switch block designed to enhance the functionality of contactor relays. This component is engineered to comply with EN 50011 standards and carries the identification number 44E. It features four normally closed (NC) contacts, ensuring reliable and secure switching operations within your electrical circuits.
Constructed for durability, the 3TX4404-0A boasts an impressive mechanical service life of up to 10 million operating cycles, making it a robust choice for sustained use in industrial environments. The switch block operates with an insulation voltage rated at 690 V, with a surge voltage resistance of 6 kV, providing a high level of protection against electrical disturbances.
The unit is designed with user safety in mind, offering an IP20 protection class on the front, which safeguards against the ingress of solid objects. It is also capable of withstanding a wide range of ambient temperatures, from as low as -55°C during storage to +55°C during operation, ensuring consistent performance under varying conditions.
Installation is made straightforward with its snap-on mounting design, and the switch block's dimensions are compact, measuring 45 mm in width, 24 mm in height, and 25 mm in depth. This allows for easy integration into existing setups without the need for extensive modifications.
For electrical connections, the 3TX4404-0A utilises screw-type terminals, which are compatible with a range of conductor cross-sections, providing flexibility and convenience during installation. The switch block is also designed with positively driven operation according to IEC 60947-5-1, ensuring reliable separation of contacts for safety.
The Siemens 3TX4404-0A auxiliary switch block is an essential component for those seeking to enhance the control and safety of their contactor relay applications in commercial and industrial settings.
Constructed for durability, the 3TX4404-0A boasts an impressive mechanical service life of up to 10 million operating cycles, making it a robust choice for sustained use in industrial environments. The switch block operates with an insulation voltage rated at 690 V, with a surge voltage resistance of 6 kV, providing a high level of protection against electrical disturbances.
The unit is designed with user safety in mind, offering an IP20 protection class on the front, which safeguards against the ingress of solid objects. It is also capable of withstanding a wide range of ambient temperatures, from as low as -55°C during storage to +55°C during operation, ensuring consistent performance under varying conditions.
Installation is made straightforward with its snap-on mounting design, and the switch block's dimensions are compact, measuring 45 mm in width, 24 mm in height, and 25 mm in depth. This allows for easy integration into existing setups without the need for extensive modifications.
For electrical connections, the 3TX4404-0A utilises screw-type terminals, which are compatible with a range of conductor cross-sections, providing flexibility and convenience during installation. The switch block is also designed with positively driven operation according to IEC 60947-5-1, ensuring reliable separation of contacts for safety.
The Siemens 3TX4404-0A auxiliary switch block is an essential component for those seeking to enhance the control and safety of their contactor relay applications in commercial and industrial settings.
| Specification | Description |
|---|---|
| Part Number | 3TX4404-0A |
| Alternative Part Number | 3TX44040A |
| Manufacturer | Siemens |
| Voltage Rating | 690 V (Insulation) |
| Mounting Type | Snap-On Mount |
| Contact Configuration | 4NC (4 Normally Closed contacts) |
| Protection Rating | IP20 |
| Terminal Type | Screw |
| Mechanical Operating Cycles | 10,000,000 cycles |
| Current Rating | 10 A |
| Dimensions | 45 x 25 x 24 mm |
| Suitable For | Contactor relays EN 50011, Ident. no. 44E |
| Ambient Operating Temperature | -25 … +55 °C during operation, -55 … +80 °C during storage |
| Insulation Voltage | Rated at 690 V with degree of pollution 3 |
| Impulse Voltage Resistance | Rated at 6 kV |
| Auxiliary Circuit | 4 NC contacts for instantaneous switching |
| Operating Current of Contacts | 10 A at 24 V, 10 A at 230 V, 5.6 A at 400 V, 2.3 A at 690 V (AC-15 rating) |
| DC Operating Current | 4 A at 24 V, 1.1 A at 110 V, 0.5 A at 220 V (DC-12 rating) |
| Mounting Dimensions | Width: 45 mm, Height: 24 mm, Depth: 25 mm |
| Electrical Connection | Screw-type terminals suitable for finely stranded and AWG conductors |
| Product Function | Positively driven operation according to IEC 60947-5-1 |
| Commodity Code | 853650 |
What is the insulation voltage rating for this auxiliary switch block?
The insulation voltage rating for the auxiliary switch block is 690 V, with a degree of pollution 3.
Can you describe the mounting type for this component?
The component features a snap-on mounting type, which allows for easy and secure installation onto compatible devices.
What is the IP protection class of this auxiliary switch block?
This auxiliary switch block has an IP protection class of IP20, indicating protection against solid objects larger than 12.5 mm but not against liquids.
What are the dimensions of this auxiliary switch block?
The dimensions of the auxiliary switch block are 45 mm in width, 24 mm in height, and 25 mm in depth.
How many mechanical operating cycles can this auxiliary switch block withstand?
This auxiliary switch block is designed to withstand up to 10 million mechanical operating cycles.
What type of terminals does this auxiliary switch block have?
The auxiliary switch block is equipped with screw-type terminals for secure and reliable electrical connections.
What is the ambient temperature range for operating this auxiliary switch block?
The ambient temperature range for operating the auxiliary switch block is between -25 °C and +55 °C.
How many normally closed (NC) contacts does this auxiliary switch block have?
The auxiliary switch block has 4 normally closed (NC) contacts.
What is the maximum operating current for the auxiliary contacts at AC-12?
The maximum operating current for the auxiliary contacts at AC-12 is 10 A.
Does this auxiliary switch block have positively driven operation according to IEC 60947-5-1?
Yes, the auxiliary switch block has a product function of positively driven operation in accordance with IEC 60947-5-1.
- Integration into motor control centres for auxiliary switching functions
- Use in control panels for industrial machinery to provide additional control contacts
- Implementation in conveyor systems for auxiliary control and monitoring
- Application in HVAC systems for auxiliary feedback signals
- Utilisation in packaging equipment for process control tasks
- Inclusion in manufacturing automation for interlocking and sequencing
- Installation in pump control circuits for auxiliary alarms and indicators
- Employment in material handling systems for emergency stop circuits
- Incorporation in lighting control systems for status indication
- Adaptation in renewable energy installations for system monitoring and control
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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