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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
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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 | 3TX4422-0A |
| Alternative Part Number | 3TX44220A |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Type | Auxiliary Switch Block |
| Suitable Applications | Contactor relays and power contactors according to EN 50011 |
| Number of Contacts | 4 (2 NO + 2 NC) |
| Rated Insulation Voltage | 690 V |
| Rated Operating Current | 10 A |
| Impulse Voltage Resistance | 6 kV |
| Mechanical Operating Cycles | Typically 10,000,000 |
| Ambient Operating Temperature | -25 … +55 °C |
| Storage Temperature | -55 … +80 °C |
| Protection Class | IP20 |
| Mounting Type | Snap-on mounting |
| Dimensions (W x H x D) | 45 x 24 x 25 mm |
| Electrical Connection | Screw-type terminals |
| Connectable Conductor Cross-sec | 2x (0.5 ... 1.0 mm²), 2x (0.75 ... 2.5 mm²) for auxiliary contacts; 2x (18 ... 12) AWG conductors |
| Product Function | Positively driven operation according to IEC 60947-5-1 |
| Commodity Code | 853650 |
An auxiliary switch block is used to provide additional contact points for a contactor or relay, allowing for the control of auxiliary circuits that can be used for status indication, interlocking, or other control functions.
This auxiliary switch block is designed for use with contactor relays according to EN 50011, so it should be compatible with devices that meet this standard.
The auxiliary switch block is rated for an insulation voltage of 690 V and has an operating current of 10 A for auxiliary contacts at AC-12, with varying current ratings for different AC and DC applications.
The auxiliary switch block comes with screw-type terminals, which are designed for secure and reliable wire connections.
The auxiliary switch block has an IP20 protection class rating on the front, indicating that it is protected against solid objects larger than 12.5 mm but not against water.
The dimensions of the auxiliary switch block are 45 mm in width, 25 mm in depth, and 24 mm in height.
The auxiliary switch block has 2 normally closed (NC) contacts and 2 normally open (NO) contacts.
The mechanical service life of the auxiliary switch block is typically 10 million operating cycles.
This auxiliary switch block is designed for snap-on mounting, which allows for easy and quick installation onto the appropriate contactor or relay.
Yes, the auxiliary switch block features positively driven operation according to IEC 60947-5-1, ensuring reliable performance in safety-related applications.
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
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