# Eti-Polam SZR-1ST Automatic Transfer Switch Controller

**URL:** https://aio.lv/en/product--eti-polam-002471510--12462149
**Data updated:** 2026-05-18 09:40 (EEST)
**Category:** Control Systems
**Manufacturer:** Eti-Polam
**Manufacturer code:** 002471510
**EAN:** 3838895644668
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 335.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 277.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eti-polam-002471510--12462149

## 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 Eti-Polam SZR-1ST is a specialized controller designed for automatic transfer switch (ATS) systems. It monitors power supply parameters and manages the switching between primary and backup power sources to ensure continuous electrical supply. This reliable device is essential for industrial and commercial power distribution applications, providing precise control and monitoring of electrical network states.

## Long description

The Eti-Polam SZR-1ST is a professional-grade automatic transfer switch controller engineered to manage the transition between primary and backup power sources. This device continuously monitors electrical network parameters, ensuring that power supply remains stable and uninterrupted. By automating the switching process, it provides a reliable solution for maintaining electrical continuity in critical environments, reducing the need for manual intervention during power fluctuations or outages.
Advantages
This controller offers high precision in monitoring voltage and frequency levels, which is vital for protecting sensitive equipment from unstable power conditions. Its robust design ensures long-term operational reliability in demanding industrial and commercial settings. The device simplifies complex power management tasks by automating the transition logic, thereby minimizing downtime and enhancing the overall efficiency of electrical distribution systems.
Suitable for
Industrial power distribution systems
Commercial building backup power management
Data centers requiring continuous electrical supply
Emergency power supply systems for critical infrastructure
This controller may not be suitable for small-scale residential applications where simpler, manual, or less complex switching solutions are sufficient. It is also not intended for use in high-voltage transmission networks or environments that exceed its specified operational parameters.
Key specifications
Function: Automatic transfer switch control
Monitoring: Voltage and frequency parameters
Application: Industrial and commercial power systems
Operational mode: Automated switching between primary and backup sources
To use the Eti-Polam SZR-1ST, it must be installed within a compatible electrical panel by a qualified professional. The device should be wired according to the technical documentation to ensure correct sensing of both power sources. Once installed, the controller monitors the primary line and triggers the switch to the backup source automatically if the primary supply falls outside of pre-set parameters, reverting once the primary power is restored.
What to consider before purchase
Compatibility with existing ATS switchgear
Required voltage and frequency monitoring ranges
Installation space within the electrical cabinet
Technical expertise required for configuration
Ensure that the device is integrated into a system with appropriate surge protection and that all connections are verified by a certified electrician to maintain safety and operational integrity.

## FAQ

### How much does the Eti-Polam SZR-1ST Automatic Transfer Switch Controller cost, and is it available for purchase?

The price is 335.99 € (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 Eti-Polam SZR-1ST Automatic Transfer Switch Controller 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 Eti-Polam 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 Eti-Polam 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/12462149/68764009_large.webp