# Schneider Electric Harmony XVB7 Base Unit for Signal Tower, 70mm, AC, Grey

**URL:** https://aio.lv/en/product--schneider-electric-xvb7c21m--12453603
**Data updated:** 2026-05-18 02:48 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Schneider Electric
**Manufacturer code:** XVB7C21M
**EAN:** 3606487129233
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 163.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 135.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-xvb7c21m--12453603

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

The Schneider Electric Harmony XVB7 base unit is a core component for 70mm diameter modular signal towers. Designed for AC power supply, this grey base includes an adapter and cover, ensuring a secure and professional installation for industrial signaling systems. It provides a robust foundation for mounting various light and sound modules, facilitating clear status indication in automation and control environments.

## Long description

The Schneider Electric Harmony XVB7 base unit serves as the essential foundation for 70mm diameter modular signal towers. Engineered for reliability in industrial environments, this grey base unit is specifically designed to support AC power supply configurations. It comes complete with an integrated adapter and cover, providing a secure and professional mounting solution for various light and sound signaling modules used in automation and control systems.
Advantages
This base unit offers exceptional durability and ease of assembly, making it a preferred choice for industrial signaling applications. Its modular design allows for flexible configuration, enabling users to stack multiple signaling elements to meet specific operational requirements. The robust construction ensures long-term performance even in demanding environments, while the included adapter and cover simplify the installation process, ensuring a clean and protected connection for all electrical components.
Suitable for
Industrial automation and control panels
Machine status monitoring
Process signaling in manufacturing plants
Safety and warning systems
When it may not be suitable
This base unit is designed exclusively for 70mm diameter modular signal towers and is not compatible with other tower sizes or non-modular signaling devices. It is intended for AC power supply systems and should not be used in DC-only environments without verifying compatibility with the specific electrical requirements of the installation.
Key specifications
Diameter: 70mm
Power supply type: AC
Color: Grey
Component type: Base unit with adapter and cover
Series: Harmony XVB7
How to use
To install the base unit, secure it to a flat, stable surface using the appropriate mounting hardware. Connect the AC power supply cables to the internal terminals according to the wiring diagram provided with your specific signaling modules. Once the base is powered and secured, you can attach the desired light or sound modules by aligning them with the base unit and twisting them into place until they lock securely. Ensure the cover is properly fitted to maintain the integrity of the assembly.
What to consider before purchase
Verify that your signaling modules are compatible with the 70mm Harmony XVB7 series.
Ensure the power supply voltage matches the requirements of your signaling tower configuration.
Confirm the mounting surface is suitable for a 70mm diameter base.
Usage recommendations
For optimal performance and safety, always ensure that the power is disconnected before installing or replacing any modules on the base unit. Regularly inspect the connections and the integrity of the housing to maintain reliable signaling in your facility.

## FAQ

### How much does the Schneider Electric Harmony XVB7 Base Unit for Signal Tower cost, and is it available for purchase?

The price is 163.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 08.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Schneider Electric Harmony XVB7 Base Unit for Signal Tower be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

## Image

https://aio.lv/img/cache/product/12453603/68756132_large.webp