# Schneider Electric ZB4BG03 Key Selector Switch Head 3-Position Maintained

**URL:** https://aio.lv/en/product--schneider-electric-zb4bg03--12447645
**Data updated:** 2026-05-18 02:47 (EEST)
**Category:** Control Systems
**Manufacturer:** Schneider Electric
**Manufacturer code:** ZB4BG03
**EAN:** 3389110362701
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 20.24 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-zb4bg03--12447645

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The Schneider Electric ZB4BG03 is a robust key-operated selector switch head designed for 22mm mounting holes. Featuring a 3-position maintained operation and a secure Ronis 455 key lock, this component ensures reliable control in industrial automation systems. Rated IP66 for protection against dust and water ingress, it is suitable for demanding environments requiring durable and precise switching solutions.

## Long description

The Schneider Electric ZB4BG03 is a high-quality key-operated selector switch head engineered for industrial control panels and automation systems. Designed for standard 22mm mounting holes, this robust component provides a secure and reliable interface for managing machine operations. It features a 3-position maintained mechanism and utilizes a Ronis 455 key lock, ensuring that only authorized personnel can change the switch state, thereby enhancing operational safety and preventing unauthorized access.
Advantages
This selector switch head is built to withstand harsh industrial conditions, offering exceptional durability and long-term performance. Its IP66 rating confirms that the unit is fully protected against dust ingress and powerful water jets, making it an ideal choice for environments where equipment is exposed to moisture or debris. The ergonomic design and smooth mechanical action ensure precise control, while the high-quality materials used in its construction guarantee resistance to mechanical wear and environmental stress.
Suitable for
Industrial automation control panels
Machine safety and access control systems
Equipment requiring restricted operation via key access
Outdoor or wash-down industrial environments
When it may not be suitable
This product is not suitable for applications requiring non-maintained or spring-return switching, as it is specifically designed for maintained positions. Additionally, it is intended for 22mm mounting diameters and cannot be installed in panels with different hole sizes without appropriate adapters.
Key specifications
Mounting diameter: 22 mm
Operation type: 3-position maintained
Key lock type: Ronis 455
Protection rating: IP66
Weight: 98 g
Color: Black
How to use
To install the ZB4BG03, insert the switch head into a pre-drilled 22mm hole on your control panel and secure it using the provided locking nut. Once mounted, attach the appropriate contact blocks to the rear of the head to complete the electrical circuit. To operate, insert the Ronis 455 key and rotate it to the desired position. The switch will remain in the selected position until manually moved again by the operator.
What to consider before purchase
Verify that your control panel has a 22mm mounting hole
Ensure the 3-position maintained logic matches your control requirements
Confirm that the Ronis 455 key lock meets your facility's security standards
Check if additional contact blocks are required for your specific wiring configuration
Usage recommendations
Regularly inspect the key lock mechanism for debris and ensure the mounting nut remains tight to maintain the IP66 seal integrity. Always keep spare keys in a secure location to prevent operational downtime.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.098 kg |
| Storage temperature (T-T) | -40 - 70 |
| Package weight | 100 g |
| Operating temperature (T-T) | -40 - 70 |
| Product colour | Black |
| Package depth | 53.3 mm |
| Package height | 33 mm |
| Package width | 91.4 mm |
| International Protection (IP) code | IP66 |
| IK code | IK06 |
| Product type | Button |
| Quantity per pack | 1 pc(s) |
| Overvoltage category | Class I |
| Mechanical durability (cycles) | 1000000 |

## FAQ

### How much does the Schneider Electric ZB4BG03 Key Selector Switch cost, and is it available for purchase?

The price is 24.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 15.07.2026 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 Schneider Electric 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 Schneider Electric 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

### Where can I download the instructions for Schneider Electric ZB4BG03 Key Selector Switch?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

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