# Siemens 5ST3041 Undervoltage Release 110V AC with 2NC Auxiliary Contacts

**URL:** https://aio.lv/en/product--siemens-5st3041--12445802
**Data updated:** 2026-05-18 02:55 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5ST3041
**EAN:** 4001869187495
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st3041--12445802

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Siemens 5ST3041 is an undervoltage release designed for 110V AC operation, equipped with two normally closed (2NC) auxiliary contacts. This modular accessory is engineered for integration with circuit breakers to provide reliable protection by automatically tripping the device when voltage drops below a specified threshold. It is an essential component for industrial and commercial electrical distribution systems requiring enhanced safety and monitoring capabilities.

## Long description

The Siemens 5ST3041 is a specialized undervoltage release designed for 110V AC electrical systems. This modular component serves as a critical safety accessory for circuit breakers, ensuring that the power supply is automatically interrupted if the voltage falls below a predefined threshold. By integrating this device into your electrical distribution panel, you gain an automated mechanism to prevent equipment damage or operational hazards caused by unstable voltage conditions, while the integrated 2NC auxiliary contacts provide essential feedback on the status of the circuit breaker.
Advantages
This undervoltage release offers a robust solution for maintaining system integrity in industrial and commercial environments. Its primary benefit lies in its ability to provide proactive protection against undervoltage events, which can be detrimental to sensitive machinery and control systems. The inclusion of two normally closed auxiliary contacts allows for seamless integration into monitoring and signaling circuits, enabling remote status indication and enhanced control over the electrical infrastructure. The compact design ensures it fits efficiently within standard modular distribution setups without requiring significant additional space.
Suitable for
Industrial electrical distribution systems
Commercial building power management
Protection of sensitive machinery against voltage drops
Automated emergency shutdown sequences
When it may not be suitable
This device is specifically engineered for 110V AC systems and is not compatible with DC circuits or different AC voltage levels. It is intended for use with specific compatible Siemens circuit breakers and may not be suitable for integration with third-party hardware or older legacy systems that do not support this modular accessory.
Key specifications
Operating voltage: 110V AC
Auxiliary contacts: 2NC (Normally Closed)
Weight: 109 g
Color: Multicolour
How to use
Installation should be performed by a qualified electrician in accordance with local safety regulations. The unit is designed to be mounted onto the side of a compatible circuit breaker. Ensure the power supply is completely disconnected before attempting to attach the release. Once mechanically coupled, the auxiliary contacts should be wired into the control circuit to enable the desired monitoring or signaling functions. After installation, verify the mechanical connection and test the tripping function to ensure the system responds correctly to voltage fluctuations.
What to consider before purchase
Verify the voltage requirements of your existing electrical system
Confirm compatibility with your specific circuit breaker model
Ensure sufficient space is available in the distribution board for the additional module
Check that the 2NC contact configuration meets your signaling requirements
Usage recommendations
Regularly inspect the connection between the undervoltage release and the circuit breaker to ensure it remains secure. Periodically test the tripping mechanism during scheduled maintenance to confirm that the protection function remains operational and that the auxiliary contacts provide accurate status signals to your control system.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.109 kg |

### Design

| Feature | Value |
|---|---|
| Product colour | Multicolour |

## FAQ

### How much does the Siemens 5ST3041 Undervoltage Release cost, and is it available for purchase?

The price is 33.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 06.07.2026 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. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12445802/68778938_large.webp