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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1911-1FA11 |
| Alternative Part Number | 3RH19111FA11 |
| Manufacturer | Siemens |
| Mounting Type | Snap-On Mount |
| Voltage | 690 V |
| Contact Configuration | 1 NO/1 NC |
| Protection Class | IP20 |
| Ambient Temperature (Storage) | -55°C to +80°C |
| Ambient Temperature (Operation) | -25°C to +60°C |
| Mechanical Service Life | Typical 10,000,000 switching cycles |
| Electrical Endurance | Typical 200,000 switching cycles at AC-15 at 230 V |
| Insulation Voltage | 690 V with degree of pollution 3 |
| Surge Voltage Resistance | 6 kV |
| Width | 36.5 mm |
| Height | 37.5 mm |
| Depth | 41.5 mm |
| Country of Origin | Not specified |
| Commodity Code | 853650 |
The Siemens 3RH1911-1FA11 is a high-quality auxiliary switch block designed for optimal performance in various industrial applications. This robust component features a snap-on mount for easy installation and a screw connection for secure and reliable operation. With a voltage rating of 690V, it is capable of handling demanding power requirements. The switch block includes 1 Normally Open (NO) and 1 Normally Closed (NC) contact, offering flexibility in circuit design. It is IP20 rated, providing a degree of protection against solid objects. This Siemens auxiliary switch block is a reliable choice for enhancing the efficiency of your contactor relays and motor switches. Please note, this product is subject to change without notice.
Commonly Asked Questions
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Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Frequently Asked Questions
What is the main function of this auxiliary switch block?
The Siemens 3RH1911-1FA11 is an auxiliary switch block designed for contactor relays and power contactors. It is used for switching motors and is essential for controlling the flow of electricity in a circuit.
What are the key specifications of this part?
This auxiliary switch block operates at a voltage of 690V. It features a snap-on mount and has 1 Normally Open (NO) and 1 Normally Closed (NC) contact. It also has an IP20 protection class rating.
What is the significance of the IP20 rating?
The IP20 rating of the 3RH1911-1FA11 indicates that it is protected against solid objects larger than 12.5mm, such as a hand, but it is not protected against liquids.
What is the operating temperature range of this part?
The Siemens 3RH1911-1FA11 can operate effectively in temperatures ranging from -25°C to +60°C. It can be stored in temperatures ranging from -55°C to +80°C.
What is the mechanical service life of this part?
The 3RH1911-1FA11 has a typical mechanical service life of 10 million switching cycles, making it a durable choice for your industrial automation needs.
What type of connection does this part use?
The 3RH1911-1FA11 uses a screw-type terminal for its auxiliary and control current circuit. This allows for secure and reliable connections.
What is the insulation voltage of this part?
The insulation voltage of the 3RH1911-1FA11, with a degree of pollution 3, is rated at 690V. This indicates the maximum voltage the insulation can withstand under normal conditions.
What is the surge voltage resistance of this part?
The 3RH1911-1FA11 has a surge voltage resistance rated value of 6kV. This means it can withstand transient overvoltages up to 6kV, protecting your system from potential damage.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
