# Siemens 5ST3748 End Cover for 1-Phase Pin Busbar

**URL:** https://aio.lv/en/product--siemens-5st3748--3928271
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Siemens
**Manufacturer code:** 5ST3748
**EAN:** 4001869313160
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st3748--3928271

## 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 5ST3748 is an essential end cover designed for 1-phase pin busbars. This accessory ensures safe and reliable electrical installations by providing proper insulation and protection at the end of the busbar system. It is a durable component compatible with Siemens distribution board equipment, facilitating professional and secure wiring configurations in industrial and residential electrical panels.

## Long description

The Siemens 5ST3748 end cover is a specialized accessory designed for 1-phase pin busbars, serving as a critical component for maintaining electrical safety and system integrity. This end cover is engineered to provide robust insulation at the exposed ends of busbar systems, effectively preventing accidental contact with live parts and ensuring compliance with standard electrical installation requirements. Its durable construction makes it a reliable choice for professional electrical distribution boards in both residential and industrial environments.
Advantages
The primary advantage of this end cover is its ability to enhance the safety of electrical distribution systems by covering open busbar ends, which significantly reduces the risk of short circuits or accidental touch. It is designed for seamless integration with Siemens busbar systems, ensuring a precise fit that simplifies the installation process. The high-quality material used in its production offers long-term durability and resistance to environmental factors, maintaining the structural integrity of the electrical panel over time.
Suitable for
Covering the open ends of 1-phase pin busbars
Enhancing safety in residential electrical distribution boards
Professional installations in industrial control panels
Ensuring compliance with safety standards for electrical wiring
When it may not be suitable
This end cover is specifically designed for 1-phase pin busbars and is not compatible with multi-phase busbar systems or different busbar profiles. It should not be used as a substitute for proper insulation of cables or other electrical components that require different types of protective covers.
Key specifications
Type: End cover for busbars
Compatibility: 1-phase pin busbars
Manufacturer: Siemens
Application: Electrical distribution systems
How to use
To install the end cover, ensure that the electrical power supply to the distribution board is completely disconnected. Align the end cover with the open end of the 1-phase pin busbar. Press the cover firmly onto the end of the busbar until it clicks or sits securely in place, ensuring that all exposed conductive parts are fully covered and protected. Verify that the cover is stable and does not move before restoring power to the system.
What to consider before purchase
Verify that your busbar system is a 1-phase pin type
Check the dimensions of your existing busbar to ensure compatibility
Ensure that the installation environment meets the technical requirements for this component
Usage recommendations
Always perform electrical installations in accordance with local safety regulations and ensure that the power is disconnected before handling any components within the distribution board.

## Specifications

| Feature | Value |
|---|---|
| Number of terminals | 1 |

### Design

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

## FAQ

### How much does the Siemens 5ST3748 End Cover for 1-Phase Busbar cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 160 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: 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/3928271/58602867_large.webp