3RH1911-1FA40

Siemens 3RH1911-1FA40 available at EU Automation. Get in touch today for a quick price.

Trustpilot stars Based on over 4900 reviews

Full 12-month warranty

Available for dispatch immediately

We deliver worldwide

Get a quick price for 3RH1911-1FA40

Quantity

Adding another part to your enquiry?

For more information on how your data is processed and stored by EU Automation please read our privacy policy.

All orders are subject to product availability. See our T&Cs.

Ask our team

What happens next?

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.

The Siemens 3RH1911-1FA40 is a high-quality auxiliary switch block designed for seamless integration with contactor relays and power contactors. This component is essential for users looking to expand the functionality of their control systems with additional switching capabilities. With a configuration of 4 normally open (NO) contacts, it adheres to the DIN EN50005 standard, ensuring compatibility and reliability in a variety of industrial applications.

Crafted for durability, the 3RH1911-1FA40 boasts an impressive mechanical service life of 10 million switching cycles, and an electrical endurance of 200,000 cycles at AC-15 at 230V, which speaks to its robustness and longevity in demanding operational conditions. The switch block operates efficiently within an ambient temperature range of -25 to +60°C, making it suitable for a wide range of environments.

Safety is a priority with this component, as it features an insulation voltage rated at 690V and a surge voltage resistance of 6kV, providing peace of mind in the protection of your electrical systems. The switch block's compact design, with snap-on mounting, allows for easy installation and maintenance, ensuring minimal downtime and enhanced productivity.

The 3RH1911-1FA40 is a testament to Siemens' commitment to quality and innovation, offering a reliable solution for those seeking to enhance their control systems with a switch block that promises consistent performance and safety.
Specification Description
Part Number 3RH1911-1FA40
Alternative Part Number 3RH19111FA40
Manufacturer Siemens
Product Type Auxiliary Switch Block
Rated Insulation Voltage 690 V ac
Rated Operational Voltage 600 V dc
Number of Contacts 4 Normally Open (NO)
Contact Configuration DIN EN50005 standard
Electrical Durability 200,000 switching cycles at AC-15, 230 V typical
Mechanical Service Life 10 million switching cycles typical
Operating Current 10 A at 24 V and 230 V in AC-12
Mounting Type Snap-on mounting
Width 36.5 mm
Height 37.5 mm
Depth 41.5 mm
Connection Type Screw-type terminals
Compatible Conductor Cross-Section 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) for finely stranded wires with core end processing
Ambient Operating Temperature -25 °C to +60 °C during operation
Storage Temperature -55 °C to +80 °C
Protection Class IP20 on the front
Compliance Mirror contact and positively driven operation according to IEC standards

What is the voltage rating for this auxiliary switch block?

The auxiliary switch block is rated for 690 V ac and 600 V dc.

Can this auxiliary switch block be used with motor contactors?

Yes, it is suitable for use with contactor relays and motor contactors for switching motors.

What is the protection class of this auxiliary switch block?

The protection class for the front of the auxiliary switch block is IP20.

What are the ambient temperature limits for operating this auxiliary switch block?

The ambient temperature range for operation is from -25°C to +60°C, and for storage, it's from -55°C to +80°C.

How many normally open (NO) contacts does this auxiliary switch block have?

This auxiliary switch block has 4 normally open (NO) contacts.

What is the mechanical service life of this auxiliary switch block?

The mechanical service life is typically 10 million switching cycles.

What is the electrical endurance of this auxiliary switch block at AC-15, 230 V?

The electrical endurance at AC-15, 230 V is typically 200,000 switching cycles.

What type of connection does this auxiliary switch block support?

It supports screw-type terminal connections.

What are the dimensions of this auxiliary switch block?

The dimensions are 36.5 mm in width, 37.5 mm in height, and 41.5 mm in depth.

Does this auxiliary switch block have mirror contact functionality?

Yes, it has mirror contact functionality according to IEC 60947-4-1 when used with 3RT1 contactors.

Is the auxiliary switch block positively driven according to IEC 60947-5-1?

Yes, it is positively driven according to IEC 60947-5-1 when used with 3RH1 contactor relays.

  • Integration into motor control circuits for auxiliary switching functions
  • Use in control panels for industrial machinery to facilitate complex control logic
  • Implementation in conveyor systems for additional control points
  • Application in HVAC systems for enhanced switching capabilities
  • Utilisation in packaging equipment for precise operation control
  • Inclusion in manufacturing automation for added circuit flexibility
  • Deployment in material handling systems for improved process control
  • Installation in control relay panels for machinery safety interlocks
  • Incorporation in electrical distribution systems for auxiliary contact extensions
  • Use in automation systems for signal interfacing and processing

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.

Delivery

  • Logistic partners UPS, FedEx and DHL
  • International delivery available
  • Premium nine hour delivery service available to anywhere in Europe
  • Same day dispatch from group stock

Warranty

All parts new or reconditioned are covered by EU Automation 12 month warranty

Returns

No hassle returns policy

Dedicated customer support team

Trade Credit

We understand that credit is a necessary part of business and offer credit agreements on request, subject to status.

Payment options

We 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.

Services

Sourcing your part

Global supplier of quality automation and control components

Service Exchange

Dispose of your old unit by exchanging it for a working part.

Repair

A comprehensive repair service for faulty equipment.

Customer reviews

5 out of 5 stars 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

5 out of 5 stars Daniel

Excellent customer service...


Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.

2 months ago

5 out of 5 stars Jerry Schrink

Tom Higgins provided amazing service


Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!

2 months ago

5 out of 5 stars Paulo Pereira

Excellent service and communication…


Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!

2 months ago

5 out of 5 stars Gary

Tom Higgins did a great job at getting…


Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.

3 months ago

5 out of 5 stars Lessle Smith

Thomas Higgins has gone above and…


Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!

4 months ago

Factory worker carrying automation parts box.

Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.

Discover how we do our part to keep your production lines moving.

FAQs

View all FAQs

We're here when you need us