# Hager HAD412 4-Pole 125A Isolator Switch

**URL:** https://aio.lv/en/product--hager-had412--4049330
**Data updated:** 2026-05-18 02:50 (EEST)
**Category:** Power Sockets
**Manufacturer:** Hager
**Manufacturer code:** HAD412
**EAN:** 3250613140465
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 113.49 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 93.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hager-had412--4049330

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

The Hager HAD412 is a 4-pole isolator switch designed for safe electrical circuit disconnection. Rated for 125A and compatible with 380-415V AC input voltage, this device ensures reliable power isolation in industrial and commercial electrical distribution systems. It provides a robust solution for maintenance and safety operations, meeting high standards for electrical protection and control.

## Long description

The Hager HAD412 is a professional-grade 4-pole isolator switch engineered to provide secure electrical circuit disconnection. Designed for demanding environments, this device is rated for 125A and supports an input voltage range of 380-415V AC. It serves as a critical component in industrial and commercial electrical distribution systems, ensuring that power can be safely cut off for maintenance, repair, or emergency shutdown procedures. Built with high-quality materials, the switch offers consistent performance and long-term reliability for electrical protection and control applications.
Advantages
This isolator switch stands out due to its robust construction and high current rating, which makes it suitable for heavy-duty electrical installations. The 4-pole configuration allows for the simultaneous disconnection of all phases and the neutral conductor, providing comprehensive isolation of the circuit. Its design focuses on safety and ease of operation, ensuring that technicians can perform maintenance tasks with confidence. Furthermore, the Hager brand is synonymous with durability and adherence to international electrical standards, ensuring that this switch integrates seamlessly into professional power distribution networks.
Suitable for
Industrial electrical distribution boards
Commercial building power management systems
Maintenance and emergency shutdown operations
Isolation of heavy machinery and equipment
When it may not be suitable
This device is not intended for use in residential circuits that do not require high-amperage isolation or for applications involving DC power sources. It is specifically designed for 380-415V AC systems and should not be installed in environments exceeding its rated voltage or current specifications.
Key specifications
Number of poles: 4
Rated current: 125A
Rated operational voltage: 380-415V AC
Application: Electrical circuit isolation
How to use
The Hager HAD412 should be installed by a qualified electrician in accordance with local electrical regulations. It is typically mounted within a distribution cabinet or enclosure on a standard DIN rail or via panel mounting, depending on the specific system configuration. Once installed, the switch is operated manually using the front-facing toggle to disconnect or reconnect the power supply. Ensure that the connections are tightened to the manufacturer's specified torque settings to prevent overheating and ensure optimal electrical contact.
What to consider before purchase
Verify that your system voltage and current requirements match the 125A and 380-415V AC ratings.
Ensure there is sufficient space within your distribution board for a 4-pole device.
Confirm that the installation environment meets the necessary IP rating requirements for your specific application.
Usage recommendations
Always perform a visual inspection of the switch and its connections during routine maintenance cycles. Ensure that the switch is in the 'OFF' position and locked out according to safety protocols before performing any work on the downstream electrical circuit.

## Specifications

| Feature | Value |
|---|---|
| Quantity | 1 |
| AC input voltage | 380 - 415 |

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | RoHS |

## FAQ

### How much does the Hager HAD412 4-Pole 125A Isolator Switch cost, and is it available for purchase?

The price is 113.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 24.07.2026 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 Hager HAD412 4-Pole 125A Isolator Switch 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 Hager 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 Hager 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/4049330/58705724_large.webp