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
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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
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.
| Specification | Description |
|---|---|
| Part Number | 3TX4422-2A |
| Alternative Part Number | 3TX44222A |
| Manufacturer | Siemens |
| Product Type | Auxiliary Switch Block |
| Rated Insulation Voltage | 690 V |
| Mounting Type | Snap-On Mounting |
| Contact Configuration | 2NO/2NC (2 Normally Open, 2 Normally Closed) |
| Rated Operational Current | 10 A |
| Dimensions | 45 x 25 x 24 mm |
| Terminal Type | Screw Terminal |
| Ambient Operating Temperature | -25 ... +55 °C during operation, -55 ... +80 °C during storage |
| Mechanical Service Life | Typically 10,000,000 switching cycles |
| Surge Voltage Resistance | Rated value 6 kV |
| Protection Class | IP20 on the front |
| Suitable For Use With | Contactor relays and power contactors according to EN 50005 |
| Auxiliary Circuit Contact Type | Instantaneous switching for both NO and NC contacts |
| Connectable Conductor Cross-sec | For auxiliary contacts: 2x (0.5 ... 1.0 mm²), 2x (0.75 ... 2.5 mm²), for AWG conductors: 2x (18 ... 12) |
| Product Function | Positively driven operation according to IEC 60947-5-1 |
| Approvals/Certificates | General product approval and test certificates available |
The insulation voltage rating for the Siemens auxiliary switch block is 690 V, suitable for use in a variety of industrial applications.
Yes, this auxiliary switch block is designed for use with both contactor relays and motor contactors, providing versatility in its application.
The front side of the auxiliary switch block is rated at IP20, offering protection against solid objects larger than 12.5 mm but not against water.
The auxiliary switch block can operate within an ambient temperature range of -25°C to +55°C, and can be stored in temperatures ranging from -55°C to +80°C.
The mechanical service life of the auxiliary switch block is typically around 10 million operating cycles, indicating its durability and reliability.
This auxiliary switch block features 2 normally open (NO) and 2 normally closed (NC) contacts, providing flexibility in control circuit design.
The maximum operating current for the auxiliary contacts at AC-12 is 10 A, ensuring adequate current handling for most control circuit requirements.
The auxiliary switch block supports snap-on mounting, which allows for quick and easy installation onto compatible devices.
The dimensions of the auxiliary switch block are 45 mm in width, 24 mm in height, and 25 mm in depth, making it compact and suitable for various installations.
The auxiliary switch block utilises screw-type terminals for its electrical connections, providing a secure and reliable connection for auxiliary and control current circuits.
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.
All parts new or reconditioned are covered by EU Automation 12 month warranty
No hassle returns policy
Dedicated customer support team
We 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.
Global supplier of quality automation and control components
Dispose of your old unit by exchanging it for a working part.
A comprehensive repair service for faulty equipment.
Discover how we do our part to keep your production lines moving.