3RH2911-1FA40

Siemens 3RH2911-1FA40 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 3RH2911-1FA40

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.

Introducing the Siemens 3RH2911-1FA40 Auxiliary Switch Block, a reliable and efficient component designed for seamless integration with contactor relays and power contactors. This high-quality auxiliary switch block features four Normally Open (NO) current paths, providing optimal performance and versatility for your industrial applications.

Designed with safety in mind, the 3RH2911-1FA40 boasts a protection class IP20 on the front, ensuring a secure and reliable connection. With an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V, this auxiliary switch block is built to last, providing you with long-lasting performance and reliability.

Suitable for use in a wide range of ambient temperatures, the 3RH2911-1FA40 can operate between -25°C and +60°C, and can be stored between -55°C and +80°C. This robust auxiliary switch block is compatible with Siemens SIRIUS contactor relays and power contactors in sizes S00 and S0, making it an ideal choice for various industrial applications.

The Siemens 3RH2911-1FA40 Auxiliary Switch Block is equipped with screw terminals for easy installation and secure connections. Enhance your control systems with this reliable and efficient component, designed to meet the demands of modern industrial applications. Trust in Siemens' expertise and experience, and choose the 3RH2911-1FA40 Auxiliary Switch Block for your next project.
Specification Description
Part Number 3RH2911-1FA40
Alternative Part Number 3RH29111FA40
Manufacturer Siemens
Ambient Temperature (Storage) -55°C to +80°C
Ambient Temperature (Operation) -25°C to +60°C
Protection Class IP (Front) IP20
Mechanical Service Life 10,000,000 switching cycles (typical)
Electrical Endurance 200,000 switching cycles at AC-15 at 230V (typical)
Insulation Voltage 690V (with degree of pollution 3)
Surge Voltage Resistance 6kV (rated value)
Auxiliary Circuit Contacts 4 NO (instantaneous contact)
Contact Reliability One incorrect switching operation of 100 million (17V, 1mA)
Suitability for Use Contactor relay and power contactor
Connection Type Screw terminal

What is the protection class IP on the front of this auxiliary switch?

The protection class IP on the front of the 3RH2911-1FA40 auxiliary switch is IP20.

What is the ambient temperature range for storage and operation?

For the 3RH2911-1FA40, the ambient temperature range during storage is -55°C to +80°C, and during operation, it is -25°C to +60°C.

What is the mechanical service life of this auxiliary switch?

The typical mechanical service life of the 3RH2911-1FA40 auxiliary switch is 10,000,000 switching cycles.

What is the electrical endurance of this part?

The electrical endurance of the 3RH2911-1FA40 auxiliary switch at AC-15 at 230V is typically 200,000 switching cycles.

What is the contact reliability of the auxiliary contacts?

The contact reliability of the auxiliary contacts in the 3RH2911-1FA40 is 1 faulty switching per 100 million (17 V, 1 mA).

What is the insulation voltage and surge voltage resistance of this part?

The insulation voltage of the 3RH2911-1FA40 with degree of pollution 3 is rated at 690V, and its surge voltage resistance is rated at 6kV.

How many NC and NO contacts does this auxiliary switch have?

The 3RH2911-1FA40 auxiliary switch has 0 NC (normally closed) contacts and 4 NO (normally open) contacts.

  • Motor control and protection in industrial automation systems
  • Auxiliary switching in contactor relays for control circuits
  • Safety interlock systems in machinery and equipment
  • Pump and fan control in HVAC systems
  • Conveyor system control and monitoring
  • Lighting control in commercial and industrial settings
  • Backup power supply switching in critical applications
  • Control of solenoid valves in pneumatic and hydraulic systems

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