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Siemens 3RH2911-1HA21

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3RH2911-1HA21

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Marvo Stock ID MV-7CF5
HS Code 85365080
SKU 3RH2911-1HA21
Condition New unboxed
Warranty 12 months
Weight (kg) 0.04
Length (mm) 43.70
Width (mm) 36.00
Height (mm) 37.50

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Specification & Description

Specification Description
Part Number 3RH2911-1HA21
Alternative Part Number 3RH29111HA21
Manufacturer Siemens
Part Type Auxiliary Switch Block
Voltage 690 V (Insulation)
Configuration 2NO/1NC
Current Rating 10 A
Dimensions 36 x 43.7 x 37.5 mm
Mounting Type Snap-On
Ambient Temperature (Operation) -25°C to +60°C
Ambient Temperature (Storage) -55°C to +80°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 Rated value 690 V
Surge Voltage Resistance Rated value 6 kV
Protection Class IP on the Front IP20
Suitability for Use Contactor relay and power contactor
Auxiliary Circuit 1 NC contact for auxiliary contacts (instantaneous contact)
Product Function Mirror contact according to IEC 60947-4-1 and positively driven operation according to IEC 60947-5-1
Commodity Code 853650

The Siemens 3RH2911-1HA21 is a robust and reliable auxiliary switch block designed for industrial applications. With a snap-on mounting type, it offers easy installation and a secure fit. The switch block operates efficiently within a wide range of ambient temperatures, ensuring reliable performance in various environments. It boasts a high mechanical service life and electrical endurance, making it a durable choice for your system. The switch block also features a high insulation voltage and surge voltage resistance, providing excellent protection against electrical disturbances. With its IP20 protection class, it is designed to keep out solid objects larger than 12.5 mm. The switch block is suitable for use with contactor relays and power contactors, offering versatility in application. It also complies with IEC standards for mirror contact and positively driven operation, ensuring safety and reliability in operation.

The Siemens 3RH2911-1HA21 is a robust and reliable auxiliary switch block, designed to offer superior performance in a variety of industrial applications. This compact device, measuring 36 x 43.7 x 37.5 mm, is engineered to withstand insulation voltages up to 690V, making it a safe and dependable choice for your electrical systems.

The switch block features a snap-on mounting type for easy installation and screw-type terminals for secure connections. It comes with 2NO/1NC contacts, providing flexibility in controlling your circuits. The device is capable of enduring up to 10 million mechanical switching cycles and 200,000 electrical endurance cycles at AC-15 at 230V, ensuring long-lasting operation.

With an ambient operating temperature range of -25 to +60 degrees Celsius, the Siemens 3RH2911-1HA21 can perform optimally in various environmental conditions. It also boasts safety-related features such as mirror contact and positively driven operation according to IEC standards, enhancing its reliability.

Whether you're upgrading your existing system or building a new one, the Siemens 3RH2911-1HA21 auxiliary switch block is a high-quality component that delivers consistent, efficient performance.

Commonly Asked Questions

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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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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Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Frequently Asked Questions

What is the insulation voltage of this auxiliary switch block?

The insulation voltage of this Siemens auxiliary switch block is rated at 690 V, making it suitable for a variety of industrial applications.

What is the operating temperature range of this part?

This auxiliary switch block can operate effectively in temperatures ranging from -25°C to +60°C. It can be stored in temperatures between -55°C and +80°C.

What is the mechanical service life of this part?

The mechanical service life of this Siemens auxiliary switch block is typically 10 million switching cycles, ensuring long-lasting performance.

What are the dimensions of this auxiliary switch block?

The dimensions of this part are 36 mm in width, 37.5 mm in height, and 43.7 mm in depth.

What type of mounting does this part use?

This auxiliary switch block uses snap-on mounting for easy installation.

What is the contact reliability of this part?

The contact reliability of this auxiliary switch block is one incorrect switching operation of 100 million switching operations (17 V, 1 mA).

What is the operating current of the auxiliary contacts at AC-12?

The operating current of the auxiliary contacts at AC-12 is 10 A at both 24 V and 230 V.

What is the surge voltage resistance of this part?

The surge voltage resistance of this Siemens auxiliary switch block is rated at 6 kV.

What is the type of electrical connection for the auxiliary and control current circuit?

The Siemens auxiliary switch block uses screw-type terminals for the auxiliary and control current circuit.

Does this part have a mirror contact according to IEC 60947-4-1?

Yes, this Siemens auxiliary switch block does have a mirror contact according to IEC 60947-4-1.

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Part conditions explained

We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

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.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

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.

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