# Wago 281-915/281-400 2-conductor diode terminal block, grey

**URL:** https://aio.lv/en/product--wago-281-915281-400--12451261
**Data updated:** 2026-05-18 02:42 (EEST)
**Category:** Power Sockets
**Manufacturer:** Wago
**Manufacturer code:** 281-915/281-400
**EAN:** 4045454197766
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 15.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 12.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wago-281-915281-400--12451261

## 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 Wago 281-915/281-400 is a 2-conductor diode terminal block designed for reliable electrical connections in control cabinets and industrial automation. Featuring a 6 mm width and a rated voltage of 250 V, this grey terminal block ensures efficient signal routing and circuit protection. It is engineered for secure mounting and optimal performance in professional electrical installations.

## Long description

The Wago 281-915/281-400 is a professional-grade 2-conductor diode terminal block designed for precise signal routing and circuit protection in industrial automation and control cabinet environments. This component features an integrated 1N5408 diode, providing reliable unidirectional current flow for various control applications. Its compact design and robust construction ensure long-term stability and efficient space utilization within electrical panels.
Advantages
This terminal block offers significant benefits for complex electrical systems by integrating protection directly into the connection point. The inclusion of a high-quality diode simplifies circuit design by eliminating the need for external components, thereby reducing wiring complexity and potential points of failure. Its grey housing is made from durable materials that withstand the rigors of industrial use, while the 2-conductor configuration allows for straightforward integration into existing DIN-rail mounted systems.
Suitable for
Industrial control cabinet wiring
Signal routing in automation systems
Protection against reverse polarity
Decoupling of control circuits
This terminal block may not be suitable for high-power applications exceeding its rated voltage or current capacity. It is specifically designed for signal and control level circuits and should not be used in high-voltage power distribution networks or environments where the diode specifications do not match the circuit requirements.
Key specifications
Type: 2-conductor diode terminal block
Integrated component: 1N5408 diode
Rated voltage: 250 V
Width: 6 mm
Depth: 59 mm
Height: 29 mm
Color: Grey
Installation involves mounting the terminal block onto a standard DIN rail. Conductors should be stripped to the appropriate length and inserted into the terminal points to ensure a secure, vibration-resistant connection. Ensure that the polarity of the integrated diode is correctly oriented according to your circuit diagram before finalizing the installation.
What to consider before purchase
Verify that the 1N5408 diode specifications meet your circuit requirements
Ensure the 6 mm width fits your current DIN rail layout
Confirm that the 250 V rating is sufficient for your application
Always ensure that the power is disconnected before installing or modifying any electrical components to prevent short circuits or damage to the equipment.

## Specifications

| Feature | Value |
|---|---|
| Current | 1.5 A |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 29 mm |
| Width | 6 mm |
| Depth | 59 mm |

### Power

| Feature | Value |
|---|---|
| Rated voltage | 250 V |

### Features

| Feature | Value |
|---|---|
| Number of poles | 2P |

### Design

| Feature | Value |
|---|---|
| Certification | IEC/EN 60947-7-1 |
| Material | Polyamide |
| Product colour | Grey |

## FAQ

### How much does the Wago 281-915/281-400 2-Conductor Diode Terminal Block cost, and is it available for purchase?

The price is 15.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 53 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 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: product colour, 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.

### Where can I download the instructions for Wago 281-915/281-400 2-Conductor Diode Terminal Block?

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/12451261/68777283_large.webp