# EATON AZ-4-D25 Miniature Circuit Breaker, 4-Pole, 25A, 25kA, D-Curve

**URL:** https://aio.lv/en/product--eaton-174542--12454186
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Power Sockets
**Manufacturer:** EATON
**Manufacturer code:** 174542
**EAN:** 4015081709984
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 128.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 106.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eaton-174542--12454186

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The EATON AZ-4-D25 is a high-performance 4-pole miniature circuit breaker designed for industrial and commercial electrical distribution systems. Featuring a 25A rated current, 25kA breaking capacity, and D-type tripping characteristic, it provides reliable protection against short circuits and overloads. This robust device ensures safety and operational continuity in demanding electrical installations.

## Long description

The EATON AZ-4-D25 is a high-performance 4-pole miniature circuit breaker engineered for demanding industrial and commercial electrical distribution systems. This device is designed to provide reliable protection for electrical circuits by interrupting current flow in the event of a short circuit or overload. With its robust construction and high breaking capacity, it ensures the safety of connected equipment and maintains operational continuity in complex electrical installations.
Advantages
The primary advantage of this circuit breaker is its high breaking capacity of 25kA, which allows it to handle significant fault currents safely. The D-type tripping characteristic makes it particularly suitable for circuits with high inrush currents, such as those powering motors or transformers, preventing nuisance tripping during startup. Its 4-pole configuration provides comprehensive isolation and protection for three-phase systems with a neutral conductor, ensuring a high level of safety and compliance with modern electrical standards.
Suitable for
Industrial electrical distribution boards
Commercial building power systems
Protection of motor circuits with high starting currents
Transformer primary and secondary side protection
Heavy-duty electrical infrastructure
When it may not be suitable
This circuit breaker is not intended for residential applications where standard B or C curve characteristics are typically required for general lighting and socket circuits. Using a D-curve breaker in standard domestic environments may result in delayed protection against certain types of faults.
Key specifications
Number of poles: 4
Rated current: 25A
Breaking capacity: 25kA
Tripping characteristic: D-curve
Application: Industrial and commercial
How to use
The EATON AZ-4-D25 must be installed by a qualified electrician in accordance with local electrical regulations. It is designed for mounting on a standard DIN rail within an electrical distribution enclosure. Ensure that the supply cables are correctly sized for a 25A load and that all terminal connections are tightened to the manufacturer's specified torque to prevent overheating. Once installed, the device can be manually switched on or off using the front-facing toggle.
What to consider before purchase
Verify that the 25A rating matches your circuit requirements
Ensure the D-curve characteristic is appropriate for your specific load type
Check that the 25kA breaking capacity meets the fault level requirements of your installation
Confirm space availability on the DIN rail for a 4-pole device
Usage recommendations
Always perform a continuity and insulation resistance test after installation to ensure the circuit is safe for operation. Regularly inspect the device for signs of thermal damage or loose connections during routine maintenance cycles.

## FAQ

### How much does the EATON AZ-4-D25 4-Pole Miniature Circuit Breaker cost, and is it available for purchase?

The price is 128.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 14.07.2026 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 EATON AZ-4-D25 4-Pole Miniature Circuit Breaker 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 EATON 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 EATON 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/12454186/68756667_large.webp