# Wago 858-304 Industrial Relay 4P 5A 24V DC with Socket

**URL:** https://aio.lv/en/product--wago-858-304--12463432
**Data updated:** 2026-05-18 09:43 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Wago
**Manufacturer code:** 858-304
**EAN:** 4055143567770
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Wago 858-304 is a high-quality industrial relay designed for reliable switching in electrical control systems. This 4-pole relay features a 5A current rating and operates on a 24V DC control voltage with a maximum AC input of 250V. It comes pre-assembled with a socket for easy DIN-rail mounting, making it an ideal solution for automation, industrial machinery, and power distribution applications requiring robust performance.

## Long description

The Wago 858-304 industrial relay is a robust switching component engineered for demanding electrical control environments. This 4-pole relay is designed to handle a 5A current rating and operates reliably with a 24V DC control voltage, supporting a maximum AC input of 250V. The unit is supplied pre-assembled with a dedicated socket, facilitating quick and secure installation on standard DIN-rails within control cabinets and industrial panels.
Advantages
The primary benefit of this relay is its integrated design, which combines the relay and socket into a single, ready-to-use unit, significantly reducing installation time and wiring complexity. Its industrial-grade construction ensures long-term reliability and consistent performance in automated systems. The compact form factor allows for efficient space utilization in crowded electrical enclosures, while the standardized mounting system ensures compatibility with common industrial infrastructure.
Suitable for
Industrial automation systems
Control cabinet wiring
Power distribution management
Industrial machinery control
When it may not be suitable
This relay is not intended for high-power switching applications exceeding its 5A current rating. It is also not suitable for environments requiring specialized ingress protection against water or dust, as it is designed for installation within protected electrical enclosures.
Key specifications
Configuration: 4-pole
Control voltage: 24V DC
Maximum AC input: 250V
Current rating: 5A
Mounting type: DIN-rail
Dimensions: 31 x 97 x 73 mm
Weight: 96 g
How to use
To install the Wago 858-304, snap the socket onto a standard 35mm DIN-rail until it clicks securely into place. Connect your control circuit wires to the designated terminals on the socket, ensuring that the 24V DC supply matches the relay coil requirements. Connect your load circuit to the output terminals, verifying that the load does not exceed the 5A limit. Always ensure the power is disconnected before performing any wiring operations.
What to consider before purchase
Verify that your control system provides a 24V DC signal.
Ensure the load current does not exceed 5A.
Check available space on the DIN-rail for the 31mm width.
Confirm that the operating environment is dry and protected.
Usage recommendations
For optimal longevity, ensure the relay is installed in a well-ventilated area within the control cabinet to prevent heat buildup. Periodically inspect terminal connections for tightness to maintain reliable electrical contact.

## Specifications

| Feature | Value |
|---|---|
| Operating temperature (T-T) | -25 - 50 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.096 kg |

### Power

| Feature | Value |
|---|---|
| AC input voltage | 250 |

### Other features

| Feature | Value |
|---|---|
| Dimensions (WxDxH) | 31 x 97 x 73 |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 Wago 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 Wago 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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