# Relpol RETS-30 Phase Failure and Asymmetry Monitoring Relay, 2P, 5A, 230/400V AC, 0.2-10s

**URL:** https://aio.lv/en/product--relpol-2602848--12445677
**Data updated:** 2026-05-18 02:54 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Relpol
**Manufacturer code:** 2602848
**EAN:** 5900005186400
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 304.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 252.06 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--relpol-2602848--12445677

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Relpol RETS-30 is a professional phase failure and asymmetry monitoring relay designed for industrial and electrical protection systems. It features a 2P configuration, 5A contact rating, and operates on 230/400V AC networks. With an adjustable time delay of 0.2 to 10 seconds, it ensures reliable detection of voltage irregularities, protecting sensitive equipment from damage caused by phase loss or imbalance in three-phase power installations.

## Long description

The Relpol RETS-30 is a professional phase failure and asymmetry monitoring relay engineered for the reliable protection of industrial and electrical systems. This device is specifically designed to monitor three-phase power networks, ensuring that any irregularities such as phase loss or voltage imbalance are detected promptly. By integrating this relay into your electrical infrastructure, you can prevent damage to sensitive equipment and motors that might otherwise occur due to unstable power conditions.
Advantages
The primary advantage of the Relpol RETS-30 lies in its high precision and reliability in detecting critical power supply faults. It offers a flexible configuration with an adjustable time delay ranging from 0.2 to 10 seconds, allowing users to customize the response time to avoid nuisance tripping caused by momentary voltage fluctuations. Its robust construction and 5A contact rating make it a dependable component for demanding industrial environments where consistent monitoring is essential for operational safety.
Suitable for
Industrial motor protection systems
Three-phase electrical distribution panels
Automation and control cabinets
HVAC system power monitoring
When it may not be suitable
This relay is designed specifically for three-phase AC networks and is not suitable for single-phase applications or DC power systems. It should not be used in environments where the voltage levels exceed the specified 230/400V AC range, as this could lead to device failure or safety hazards.
Key specifications
Monitoring function: Phase failure and asymmetry
Contact configuration: 2P (Double Pole)
Contact rating: 5A
Operating voltage: 230/400V AC
Adjustable time delay: 0.2 to 10 seconds
How to use
The Relpol RETS-30 should be installed by a qualified electrician within a standard electrical enclosure. Connect the three-phase supply lines to the designated input terminals according to the wiring diagram provided on the device housing. Once installed, use the adjustment dial on the front panel to set the desired time delay based on your specific application requirements. After powering on the unit, the relay will continuously monitor the phase conditions and trigger the output contacts if a fault is detected.
What to consider before purchase
Verify that your network voltage matches the 230/400V AC specification.
Ensure the 5A contact rating is sufficient for your control circuit requirements.
Confirm that the mounting space in your cabinet is compatible with the relay dimensions.
Usage recommendations
Regularly inspect the relay connections to ensure they remain tight and free from oxidation. It is recommended to perform a functional test during scheduled maintenance to verify that the relay trips correctly under simulated fault conditions.

## FAQ

### How much does the Relpol RETS-30 Phase Monitoring Relay cost, and is it available for purchase?

The price is 304.99 € (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 06.07.2026 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 Relpol RETS-30 Phase Monitoring Relay 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 Relpol 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 Relpol 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/12445677/68748889_large.webp