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header-product Siemens 3RQ4018-2AB00 Output Coupler, 24V AC/DC, 1CO Contact, Push-In Terminal
30.99 €

Siemens 3RQ4018-2AB00 Output Coupler, 24V AC/DC, 1CO Contact, Push-In Terminal

Siemens 3RQ4018-2AB00 Output Coupler 24V AC/DC Photo 1
Siemens 3RQ4018-2AB00 Output Coupler 24V AC/DC Photo 2
Siemens 3RQ4018-2AB00 Output Coupler 24V AC/DC Photo 1
Siemens 3RQ4018-2AB00 Output Coupler 24V AC/DC Photo 2
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Siemens 3RQ4018-2AB00 Output Coupler, 24V AC/DC, 1CO Contact, Push-In Terminal

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Short description

The Siemens 3RQ4018-2AB00 is a high-quality output coupler designed for industrial automation systems. It operates at 24V AC/DC and features a single changeover (1CO) contact with a 6A thermal current rating. The device utilizes efficient Push-In connection technology for quick and reliable wiring in a compact 6.2mm wide housing. Ideal for signal isolation and switching applications in control cabinets.
Available for order: 9 pcs.
Warranty: 2 Years
SKU: 12463439
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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
14.07.2026 {{selectedOffer.officeDeliveryString}}
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17.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Product information

Description

The Siemens output coupler is a high-performance industrial component designed to facilitate reliable signal transmission and switching within automation systems. Operating at 24V AC/DC, this device integrates a relay with a single changeover (1CO) contact, ensuring versatile control capabilities. Its compact 6.2mm wide housing is specifically engineered to save valuable space in control cabinets, while the advanced push-in terminal technology allows for rapid, tool-free wiring that maintains high connection integrity under industrial conditions.

Advantages

This output coupler offers significant benefits for modern control systems by combining a compact footprint with robust electrical performance. The push-in connection system drastically reduces installation time and minimizes the risk of loose connections due to vibration. With a thermal current rating of 6A, it provides sufficient capacity for a wide range of switching tasks. The integrated relay design simplifies circuit architecture, reducing the need for additional components and streamlining maintenance processes in complex automation environments.

Suitable for

  • Industrial automation and control systems
  • Signal isolation between control and load circuits
  • Switching small to medium-sized electrical loads
  • Space-constrained control cabinet installations

When it may not be suitable

This device is not intended for switching high-power loads exceeding its 6A thermal current rating. It is also not suitable for environments requiring specialized protection against extreme moisture, dust, or corrosive substances without an appropriate protective enclosure.

Key specifications

  • Operating voltage: 24V AC/DC
  • Contact configuration: 1 change-over (1CO) contact
  • Thermal current: 6A
  • Connection type: Push-in (spring-loaded) terminals
  • Housing width: 6.2mm

How to use

Installation involves mounting the device onto a standard DIN rail within a control cabinet. Wiring is performed by inserting solid or ferruled conductors directly into the push-in terminals, which automatically secure the wire. Ensure the control voltage matches the 24V AC/DC specification before energizing the circuit. The changeover contact allows for flexible configuration as either a normally open or normally closed switch depending on the specific wiring requirements of the application.

What to consider before purchase

  • Verify that the 24V AC/DC control voltage is compatible with your existing system.
  • Ensure the 6A thermal current rating meets the requirements of your connected load.
  • Check available space on the DIN rail to accommodate the 6.2mm width.
  • Confirm that the push-in terminals are compatible with your wire gauge and type.

Usage recommendations

Always ensure that the power supply is disconnected before performing any wiring or maintenance on the output coupler to prevent electrical hazards. Periodically inspect the push-in connections to ensure they remain secure in high-vibration environments.

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the Siemens 3RQ4018-2AB00 Output Coupler 24V AC/DC cost, and is it available for purchase?

The price is 30.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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