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Siemens Auxiliary Contact Block 4 Contact 2 NO 2 NC Snap-On 10 A 690V 3RH2911-1FA22
Specifications
| Country of Origin | Czech Republic |
|---|---|
| Brand | Siemens |
| Model | 3RH2911-1FA22 |
| Mount Type | Snap-On |
| Series | 3RH2 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Number of Contacts | 4 |
| Contact Voltage | 690V |
| Normal State Configuration | 2 NO/2 NC |
| Contact Current | 10A |
| Operational Current Ie | 6A |
| Pole and Throw Configuration | DPDT |
| Mechanical Durability | 10Mcycles |
| Rated Insulation Voltage Ui | 690V |
| Siemens Auxiliary Contact, 4 Contact, 2NO/2NC, Snap-On, Sirius ClassicBrand | Siemens |
| Siemens Auxiliary Contact, 4 Contact, 2NO/2NC, Front Mount 3RH1Brand | Siemens |
Key Features
- The auxiliary contact block features a durable snap-on mount for straightforward installation.
- It has a contact current rating of 10 A with a contact voltage of 690 V.
- Includes 2 NO and 2 NC contacts to provide versatile switching configurations.
- Equipped with screw terminals for secure electrical connections.
- Operational temperature range from -25°C to +60°C for robust performance under diverse conditions.
- Mechanical durability rated at 10 million switching cycles ensuring long service life.
- Designed for integration with Siemens 3RT2 series contactors and power contactors.
- Surge voltage resistance up to 6 kV enhances electrical safety during operation.
Product Description
Siemens 3RH2911-1FA22 Auxiliary Contact Block is engineered to enhance the monitoring and control of motor contactors, ensuring proper operational status through reliable signalling. Featuring 4 contacts with 2 Normally Open (NO) and 2 Normally Closed (NC) configurations, this auxiliary contact operates at 10 A and 690 V.
This snap-on mount auxiliary contact block allows for quick and secure attachment to compatible contactors, specifically designed for use with the Siemens SIRIUS 3RT2 series and other power contactors. Its sturdy design includes screw terminals to guarantee secure and stable electrical connections, reducing installation time and minimizing maintenance.
Designed for applications in HVAC systems and industrial automation, it withstands a broad temperature range from -25°C up to +60°C, delivering reliable operation even in demanding environments. The block’s mechanical durability extends to 10 million switching cycles, supporting long-term industrial use without frequent replacements.
Electrical safety is ensured with a surge voltage resistance of 6 kV, providing protection against voltage spikes. Furthermore, the unit assures high contact reliability with a minimal failure rate, making it a dependable choice for automated control systems.
Snap-on mount ensures swift and easy installation. Screw terminals provide robust and secure electrical connections. Rated for 10 A contact current and 690 V contact voltage. 2 Normally Open and 2 Normally Closed contacts allow flexible switching.
Operating temperature range suitable for various industrial environments. Long mechanical endurance for up to 10 million switching cycles. Surge voltage resistance up to 6 kV enhances reliability and safety. Suitable for HVAC, automation, and control gear systems.
This Siemens Auxiliary Contact block is manufactured in the Czech Republic and is ideal for industrial automation, manufacturing plants, and commercial HVAC systems. It provides an essential functionality for effective motor control and condition monitoring in various industrial applications.
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Frequently Asked Questions
It has a contact current rating of 10 A and a contact voltage rating of 690 V.
This model features 4 contacts, with 2 Normally Open (NO) and 2 Normally Closed (NC) configurations.
The operational temperature range is from -25°C to +60°C, allowing it to function effectively in diverse environments.
It is equipped with screw terminals, ensuring secure and stable electrical connections.
The mechanical durability is rated at 10 million switching cycles, supporting long-term use.
Yes, it is designed for integration with Siemens 3RT2 series contactors and other power contactors.
It has a surge voltage resistance of up to 6 kV, enhancing its electrical safety during operation.
It features a snap-on mount, allowing for quick and straightforward installation.
This model is suitable for applications in HVAC systems and industrial automation.
The rated insulation voltage is 690 V, ensuring compatibility with various electrical systems.
It is manufactured in the Czech Republic.
The pole and throw configuration is Double Pole Double Throw (DPDT).
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