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Siemens 3RH2911-1GA40

Name: 3RH2911-1GA40
Brand: Siemens
SKU: 3RH2911-1GA40
Price: 20.44 GBP
Availability: InStock

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£20.44 (ex. VAT)

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Marvo Stock ID MV-72BQ

HS Code 85365080

SKU 3RH2911-1GA40

Condition Used

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

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Commonly Asked Questions

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Specification & Description

Specification	Description
Part Number	3RH2911-1GA40
Alternative Part Number	3RH29111GA40
Manufacturer	Siemens
Product Type	Auxiliary Switch Block
Rated Insulation Voltage	690 V
Mounting	Snap-On Mount
Number of Contacts	4 Normally Open (NO)
Protection Class	IP20
Connection Type	Screw
Mechanical Operating Cycles	10,000,000 cycles
Rated Current	10 A
Dimensions	36 x 48.1 x 37.5 mm
Ambient Operating Temperature	-25 … +60 °C during operation, -55 … +80 °C during storage
Electrical Operating Cycles	200,000 at AC-15 / at 230 V
Contact Reliability	One incorrect switching operation of 100 million switching operations (17 V, 1 mA)
Insulation Voltage	With degree of pollution 3, rated value 690 V
Impulse Voltage Resistance	Rated value 6 kV
Commodity Code	853650
Suitability for Use	Contactor relay and power contactor
Product Brand Name	SIRIUS
Contact Reliability of Aux. Contacts	One incorrect switching operation of 100 million switching operations (17 V, 1 mA)
Type of Mounting	Snap-on mounting
Width	36 mm
Height	37.5 mm
Depth	43.7 mm
Design of Electrical Connection	Screw-type terminals for auxiliary and control current circuit
Connectable Conductor Cross-section	For auxiliary contacts: solid 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Safety-related Parameter	Positively driven operation to IEC 60947-5-1, with 3RH2

The Siemens 3RH2911-1GA40 is a meticulously engineered auxiliary switch block designed to enhance the functionality of contactor relays. This component is a vital addition to the SIRIUS product family, renowned for its reliability and versatility in various industrial applications. With an insulation voltage rated at 690 V and an impulse voltage resistance of 6 kV, it ensures robust performance in demanding electrical environments.

This switch block features a snap-on mounting design, allowing for quick and straightforward installation. It boasts four normally open (NO) contacts, providing a reliable means to expand control logic within circuits. The compact dimensions of 36 x 48.1 x 37.5 mm make it an ideal choice for space-constrained scenarios, without compromising on efficiency.

Constructed to withstand mechanical operating cycles of up to 10 million and electrical operating cycles at AC-15 at 230 V up to 200,000, the 3RH2911-1GA40 is built for longevity. Its screw-type terminals facilitate secure and stable connections, accommodating a range of conductor cross-sections for auxiliary contacts.

The unit operates effectively within a broad ambient temperature range, from -25 °C to +60 °C during operation, and -55 °C to +80 °C during storage, ensuring consistent performance across various climates. With an IP20 protection class rating on the front, it is safeguarded against solid objects larger than 12.5 mm, adding a layer of durability.

The 3RH2911-1GA40 is a testament to Siemens' commitment to quality, offering a dependable solution for enhancing control systems in industrial settings. Its integration into existing setups provides a seamless upgrade path for those seeking to maintain or improve their electrical control schemes with a product that embodies precision and resilience.

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.

Is Marvo a credible parts supplier?

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.

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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Our service to you

Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.

No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.

Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.

Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.

Frequently Asked Questions

What is the insulation voltage rating for this auxiliary switch block?

The insulation voltage rating for the Siemens auxiliary switch block is 690 V, with a degree of pollution 3.

Can you describe the mounting type for this component?

This auxiliary switch block is designed for snap-on mounting, allowing for easy and secure attachment to compatible devices.

What is the protection class of this auxiliary switch block?

The protection class for this component is IP20, which indicates protection against solid objects larger than 12mm but not against water.

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

The switch block can operate within an ambient temperature range of -25 °C to +60 °C, and can be stored in temperatures ranging from -55 °C to +80 °C.

How many mechanical operating cycles can this switch block withstand?

The switch block is designed to withstand typically 10,000,000 mechanical operating cycles.

What is the typical electrical operating cycles at AC-15 at 230 V?

At AC-15 and 230 V, the typical electrical operating cycles for this switch block is 200,000.

What is the contact reliability for the auxiliary contacts?

The contact reliability for the auxiliary contacts is one faulty switching per 100 million operations at 17 V, 1 mA.

What are the dimensions of this auxiliary switch block?

The dimensions of the switch block are 36 mm in width, 37.5 mm in height, and 43.7 mm in depth.

What type of electrical connection does this switch block support?

The switch block supports screw-type terminals for auxiliary and control current circuits.

Does this switch block have a mirror contact function according to IEC 60947-4-1?

No, this switch block does not have a mirror contact function as per IEC 60947-4-1.

Is the operation of this switch block positively driven according to IEC 60947-5-1?

Yes, the switch block operates with positively driven operation according to IEC 60947-5-1, when used with 3RH2 contactor relays.

Part conditions explained

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