# Siemens 5ST3750 3-Phase Pin Busbar End Cap

**URL:** https://aio.lv/en/product--siemens-5st3750--3928270
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Power Sockets
**Manufacturer:** Siemens
**Manufacturer code:** 5ST3750
**EAN:** 4001869313177
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-5st3750--3928270

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The Siemens 5ST3750 is a professional-grade end cap designed for 3-phase pin busbars. This accessory ensures electrical safety by covering the open ends of the busbar system, preventing accidental contact and protecting against environmental factors. It is an essential component for reliable and secure electrical installations in industrial and residential distribution boards, ensuring compliance with safety standards.

## Long description

The Siemens 5ST3750 is a professional-grade end cap specifically engineered for 3-phase pin busbars. This essential electrical accessory is designed to seal the open ends of busbar systems, providing a robust barrier that prevents accidental contact with live parts. By effectively closing off the busbar, it enhances the overall safety of electrical distribution boards and protects the internal components from dust, debris, and environmental influences, ensuring long-term reliability in both industrial and residential settings.
Advantages
This end cap offers superior protection by ensuring that exposed electrical connections are fully insulated and shielded from external interference. Its precise design allows for a secure and stable fit on compatible 3-phase pin busbars, which simplifies the installation process while maintaining high safety standards. The durable material construction ensures resistance to mechanical stress and environmental conditions, making it a dependable choice for professionals who prioritize safety and compliance in their electrical projects.
Suitable for
Covering open ends of 3-phase pin busbars
Enhancing safety in electrical distribution boards
Industrial electrical installations
Residential power distribution systems
When it may not be suitable
This product is specifically designed for 3-phase pin busbars and is not compatible with other types of busbar systems, such as fork-type busbars or single-phase configurations. It should not be used if the busbar dimensions do not match the standard specifications for this accessory.
Key specifications
Type: 3-phase pin busbar end cap
Compatibility: Siemens pin busbar systems
Function: Electrical insulation and protection
Application: Distribution board safety
How to use
To install the end cap, ensure that the electrical power supply to the distribution board is completely disconnected. Align the end cap with the open end of the 3-phase pin busbar. Press the cap firmly onto the end of the busbar until it clicks or sits securely in place, ensuring that all exposed conductive parts are fully covered. Verify that the cap is stable and cannot be easily dislodged before restoring power to the system.
What to consider before purchase
Verify the compatibility with your existing busbar system
Ensure the phase configuration matches the 3-phase requirement
Check the quantity needed for your specific distribution board layout
Usage recommendations
Always verify that the end cap is properly seated and provides full coverage of the busbar ends to maintain compliance with electrical safety regulations and prevent potential hazards.

## Specifications

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

### Design

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

## FAQ

### How much does the Siemens 5ST3750 3-Phase Busbar End Cap 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 — 480 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 07.07.2026 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/3928270/58602866_large.webp