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Siemens 3RH1911-1FA22
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3RH1911-1FA22 SIRIUS auxiliary contact block is a vital solution for extending the functionality of your current Siemens contactors. Crafted for accuracy and dependability, this front-mountable auxiliary block integrates effortlessly into various industrial environments, including motor management and sophisticated automation setups. Featuring a robust design with a configuration of two normally open (NO) and two normally closed (NC) contacts, the 3RH1911-1FA22 delivers the essential adaptability for implementing extra signaling, interlocking, and control actions. This ensures improved operational efficiency and safety within your electrical enclosures and machinery. Developed to satisfy the rigorous demands of contemporary industrial settings, this auxiliary contact block guarantees consistent output and lasting durability. Its straightforward front-mounting mechanism simplifies installation, reducing downtime and streamlining maintenance. Whether you are upgrading existing infrastructures or designing new industrial control architectures, the Siemens 3RH1911-1FA22 provides a trusted answer for intricate control needs.Key Features Flexible 2 NO + 2 NC Contact Arrangement: Offers extensive control options, enabling a broad spectrum of signaling and interlocking functions for advanced automation. Effortless Front Mounting: Specifically engineered for swift and secure attachment to Siemens SIRIUS contactors, ensuring trouble-free installation and minimizing setup durations. High-Performance Electrical Connections: Guarantees superior switching capability and consistent reliability in demanding industrial environments, contributing to stable system operation. Compact and Durable Construction: Manufactured with premium materials to endure tough industrial conditions, providing exceptional longevity and an extended service life. Globally Certified (IEC & UL Compliant): Adheres to stringent international safety and performance benchmarks, ensuring conformity and peace of mind for global applications. Optimized for Siemens SIRIUS Contactors: Engineered for seamless compatibility, guaranteeing optimal functionality and integration within the Siemens ecosystem. Enhanced System Expansion: Allows for simple expansion of control circuits without requiring larger or more complex contactor units, simplifying system architecture. Technical Specifications Model: 3RH1911-1FA22 Series: SIRIUS 3RH19 Contact Configuration: 2 Normally Open (NO) + 2 Normally Closed (NC) Mounting Method: Front mounting onto contactors Electrical Ratings: Suitable for auxiliary and control circuits (refer to datasheet for precise voltage and current specifications) Compatibility: Designed for use with Siemens SIRIUS contactor series Operating Temperature: Optimized for industrial operating conditions (specific range available in technical documentation) Certifications: CE, UL, RoHS compliant, ensuring adherence to global product standards. Dimensions: Compact design for efficient integration into control panels. Applications Advanced Motor Control Systems: Essential for adding critical signaling, interlocking, and safety features to guarantee precise and secure motor operation. Industrial Automation Panels: An integral component for complex control panels, facilitating the automation of machinery and sophisticated industrial processes. Power Distribution Infrastructure: Expands the control capabilities of contactors within power distribution units, enabling more dynamic and responsive energy management. Factory & Process Automation: Provides dependable auxiliary switching functions crucial for the continuous operation and monitoring of manufacturing and process lines. HVAC Systems: Utilized in heating, ventilation, and air conditioning control systems for auxiliary switching and feedback. Elevator and Conveyor Systems: Improves control logic and safety interlocking within material handling and vertical transportation applications. Why ChooseThis Siemens auxiliary contact block offers unparalleled reliability and versatility, making it an ideal choice for expanding control capabilities in various industrial settings. Its seamless integration with SIRIUS contactors ensures optimal performance and simplified system design.Order NowEnhance your industrial automation with the Siemens 3RH1911-1FA22. Contact Palm Parts Solution today to place your order or learn more about our comprehensive range of industrial components.FAQWhat is the contact configuration of the Siemens 3RH1911-1FA22?The 3RH1911-1FA22 features a 2 Normally Open (NO) + 2 Normally Closed (NC) contact configuration, providing versatile control options.Is this auxiliary contact block compatible with all Siemens contactors?It is specifically designed for optimal compatibility and integration with the Siemens SIRIUS contactor series.What are the primary applications for the 3RH1911-1FA22?This model is widely used in advanced motor control systems, industrial automation panels, power distribution infrastructure, factory and process automation, HVAC systems, and elevator and conveyor systems.
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Siemens 3RH1911-1FA22
Overview
This is a genuine Siemens component from the SIRIUS Contactors family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
- Engineered to integrate inside SIRIUS Contactors installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes for the SIRIUS Contactors family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 3RH1911-1FA22
- Series: SIRIUS 3RH19
- Contact Configuration: 2 Normally Open (NO) + 2 Normally Closed (NC)
- Mounting Method: Front mounting onto contactors
- Electrical Ratings: Suitable for auxiliary and control circuits (refer to datasheet for precise voltage and current specifications)
- Compatibility: Designed for use with Siemens SIRIUS contactor series
- Operating Temperature: Optimized for industrial operating conditions (specific range available in technical documentation)
- Certifications: CE, UL, RoHS compliant, ensuring adherence to global product standards.
- Dimensions: Compact design for efficient integration into control panels.
Applications
- Advanced Motor Control Systems: Essential for adding critical signaling, interlocking, and safety features to guarantee precise and secure motor operation.
- Industrial Automation Panels: An integral component for complex control panels, facilitating the automation of machinery and sophisticated industrial processes.
- Power Distribution Infrastructure: Expands the control capabilities of contactors within power distribution units, enabling more dynamic and responsive energy management.
- Factory & Process Automation: Provides dependable auxiliary switching functions crucial for the continuous operation and monitoring of manufacturing and process lines.
- HVAC Systems: Utilized in heating, ventilation, and air conditioning control systems for auxiliary switching and feedback.
- Elevator and Conveyor Systems: Improves control logic and safety interlocking within material handling and vertical transportation applications.
Why Choose the 3RH1911-1FA22?
This Siemens auxiliary contact block offers unparalleled reliability and versatility, making it an ideal choice for expanding control capabilities in various industrial settings. Its seamless integration with SIRIUS contactors ensures optimal performance and simplified system design.
Availability & Shipping
- ▸In stock: 3RH1911-1FA22 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 3RH1911-1FA22 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
Related Siemens resources
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.