# Output coupler Siemens 3RQ3118-1AB00 — 1 change-over contact, 24 V AC/DC

**URL:** https://aio.lv/en/product--siemens-3rq3118-1ab00--11156332
**Data updated:** 2026-02-14 19:33 (EET)
**Category:** Control Systems
**Manufacturer:** Siemens
**Manufacturer code:** 3RQ3118-1AB00
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-3rq3118-1ab00--11156332

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 13.07.2026 | 1.89 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Siemens output coupler 3RQ3118-1AB00 provides one change-over (SPDT) contact with a 24 V AC/DC coil. Designed for control and switching applications, it enables reliable signal or load switching in automation panels and control circuits. Suitable for equipment requiring a single change-over contact at low-voltage control, it simplifies wiring and integration into existing Siemens systems.

## Long description

The Siemens output coupler 3RQ3118-1AB00 provides one change-over (SPDT) contact with a 24 V AC/DC coil for control and switching applications. It is intended for installation in automation panels and control circuits where a single change-over contact is required for signal or low-voltage load switching. The design follows Siemens modular component conventions to simplify wiring and integration into existing control systems.
Advantages
This output coupler offers a single change-over contact driven by a 24 V AC/DC coil, enabling both normally open and normally closed switching within one compact device. Its compatibility with standard automation wiring and straightforward mechanical mounting reduce installation time. The unit is designed for electrical control tasks where precise, repeatable switching of signals or small loads is needed.
Suitable for
Switching of control signals in automation cabinets
Interfacing low-voltage control circuits with signaling or monitoring equipment
Replacing or expanding single-contact switching in Siemens-based control systems
Key specifications
Contact configuration: 1 change-over contact (SPDT)
Coil voltage: 24 V AC/DC
Application: control and switching in automation and control panels
How to use
Mount the output coupler in the control panel according to the panel layout and Siemens mounting practice. Connect the 24 V AC/DC coil to the control supply and wire the common, normally open and normally closed contact terminals to the load or signal circuits as required. Verify correct wiring and coil polarity if applicable, then energize the coil and test switching operation under expected load conditions. Follow general safety and installation rules for low-voltage control equipment.
Usage recommendations
Use the device within specified control voltages and for signal or small load switching. Verify compatibility with connected devices and maintain accessible wiring for testing and replacement.

## FAQ

### How much does the Siemens output coupler 3RQ3118-1AB00 cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 Wednesday 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. More information about warranty service: https://aio.lv/en/warranty

## Image

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