# Schneider Electric ZB4BG4 Key Switch Operator for Harmony XB4

**URL:** https://aio.lv/en/product--schneider-electric-zb4bg4--12466403
**Data updated:** 2026-05-18 09:30 (EEST)
**Category:** Control Systems
**Manufacturer:** Schneider Electric
**Manufacturer code:** ZB4BG4
**EAN:** 3389110889222
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 31.81 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-zb4bg4--12466403

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.99 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The Schneider Electric ZB4BG4 is a key-operated switch operator designed for the Harmony XB4 series. This black, non-spring return switch features an IP69K rating, ensuring high protection against dust and high-pressure water ingress. It is a reliable industrial control component used for secure machine operation and system activation in demanding environments.

## Long description

The Schneider Electric ZB4BG4 is a professional-grade key-operated switch operator engineered for seamless integration with the Harmony XB4 series. This robust control component is designed to provide secure, manual switching operations in industrial environments where reliability and safety are paramount. Featuring a sleek black finish, the unit is built to withstand harsh conditions, offering an IP69K rating that guarantees exceptional protection against dust ingress and high-pressure water jets, making it suitable for demanding wash-down applications.
Advantages
The primary benefit of this key switch operator is its enhanced security, as it requires a physical key to change the state of the machine or system, preventing unauthorized access or accidental activation. The construction quality is consistent with the Harmony XB4 range, ensuring long-term durability and resistance to mechanical wear. Its high ingress protection rating allows for installation in environments exposed to extreme cleaning processes or heavy industrial debris without compromising the integrity of the internal electrical contacts.
Suitable for
Secure activation of industrial machinery
Control panels in food and beverage processing plants
Systems requiring restricted access to operational modes
Harsh industrial environments with high-pressure cleaning requirements
When it may not be suitable
This product is a switch operator head and requires a compatible contact block and mounting base from the Harmony XB4 series to function. It is not suitable for applications requiring spring-return functionality, as this model is designed for a maintained position.
Key specifications
Series compatibility: Harmony XB4
Protection rating: IP69K
Operation type: Key-operated, non-spring return
Color: Black
Dimensions: 29 mm width, 29 mm height, 72 mm depth
How to use
To install the ZB4BG4, mount the operator head onto a standard 22 mm diameter panel cutout. Ensure that the appropriate contact blocks are securely attached to the rear of the operator. Once installed, the switch is operated by inserting the provided key and turning it to the desired position. The non-spring return mechanism ensures that the switch remains in the selected state until manually changed by the operator.
What to consider before purchase
Verify compatibility with your existing Harmony XB4 contact blocks
Ensure the panel thickness is suitable for standard 22 mm mounting
Confirm that a non-spring return (maintained) switch is appropriate for your safety logic
Usage recommendations
Regularly inspect the keyway for debris and ensure the key turns smoothly. In environments with high chemical exposure, verify that the materials are compatible with your specific cleaning agents.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.098 kg |
| Height | 29 mm |
| Width | 29 mm |
| Depth | 72 mm |
| Product colour | Black |
| Compatible products | Harmony XB4 |
| International Protection (IP) code | IP69K |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Schneider Electric ZB4BG4 Key Switch Operator cost, and is it available for purchase?

The price is 38.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 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 14.07.2026 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 ZB4BG4 Key Switch Operator?

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

https://aio.lv/img/cache/product/12466403/68790293_large.webp