# Schneider Electric ZB4BZ103 Contact Block for Harmony XB4

**URL:** https://aio.lv/en/product--schneider-electric-zb4bz103--3927790
**Data updated:** 2026-05-18 02:46 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Schneider Electric
**Manufacturer code:** ZB4BZ103
**EAN:** 3389110889390
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 17.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 14.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--schneider-electric-zb4bz103--3927790

## 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 ZB4BZ103 is a contact block designed for integration with Harmony XB4 series control and signaling units. Featuring an IP20 protection rating, this component ensures reliable electrical switching performance in industrial control panels. It is certified by BV, CSA, UL, DNV, LROS, and GL, meeting international safety and quality standards for robust and secure operation in various automation applications.

## Long description

The Schneider Electric ZB4BZ103 is a high-quality contact block engineered specifically for seamless integration with the Harmony XB4 series of control and signaling units. This component serves as a critical interface in industrial automation, providing reliable electrical switching capabilities within control panels. Built to meet rigorous international standards, it ensures consistent performance and safety in demanding environments.
Advantages
This contact block offers exceptional durability and reliability, making it a preferred choice for industrial automation systems. Its design facilitates easy installation and secure mounting within the Harmony XB4 series, reducing assembly time and maintenance efforts. The robust construction ensures long-term operational stability, while its compliance with multiple international certifications guarantees that it meets the highest safety and quality benchmarks required for modern industrial infrastructure.
Suitable for
Industrial control panels
Automation and signaling systems
Emergency stop and push-button configurations
Machine control interfaces
When it may not be suitable
This contact block is designed exclusively for use with the Harmony XB4 series and may not be compatible with other product lines or non-standard control units. It is not intended for outdoor environments where exposure to harsh weather, moisture, or dust exceeds the IP20 protection rating.
Key specifications
Series compatibility: Harmony XB4
Protection rating: IP20
Certifications: BV, CSA, UL, DNV, LROS, GL
Function: Electrical switching
How to use
To install the ZB4BZ103, align the contact block with the rear of the Harmony XB4 operator head or mounting collar. Secure the unit by snapping it into place until you hear a click, ensuring a firm connection. Once mounted, connect the necessary electrical wiring to the terminals according to your control panel schematic. Always ensure the power is disconnected before performing any installation or maintenance tasks to prevent electrical hazards.
What to consider before purchase
Verify compatibility with your existing Harmony XB4 control unit
Ensure the installation environment meets the IP20 protection requirements
Check the electrical load requirements of your system
Usage recommendations
Regularly inspect the contact block connections for tightness and ensure the control panel remains free of excessive dust or debris to maintain optimal performance and safety standards.

## Specifications

| Feature | Value |
|---|---|
| Storage temperature (T-T) | -40 - 70 |
| Operating temperature (T-T) | -40 - 70 |
| Compatible products | Harmony XB4 |
| International Protection (IP) code | IP20 |
| Product type | Contactor |
| Mechanical durability (cycles) | 5000000 |
| Electrical durability (cycles) | 10000000 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.062 kg |

### Design

| Feature | Value |
|---|---|
| Certification | BV
CSA
UL
DNV
LROS (Lloyds register of shipping)
GL |

## FAQ

### How much does the Schneider Electric ZB4BZ103 Contact Block for Harmony XB4 cost, and is it available for purchase?

The price is 17.49 € (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 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, 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

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