# Circuit breaker finder Mastech MS5902RTD with LCD display and voltage detection

**URL:** https://aio.lv/en/product--mastech-ms5902rtd--4281962
**Data updated:** 2026-03-02 16:17 (EET)
**Category:** Measuring tools
**Manufacturer:** Mastech
**Manufacturer code:** MS5902RTD
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.25 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 39.05 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--mastech-ms5902rtd--4281962

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The Mastech MS5902RTD is a circuit breaker finder designed to locate breakers and detect live voltage. It features an LCD display for clear readouts and voltage detection to identify energized circuits. Intended for electricians and maintenance staff, it speeds up breaker identification, reduces guesswork during troubleshooting, and helps ensure safer circuit work in homes and commercial installations.

## Long description

Automatic Circuit Breaker Finder Mastech MS5902RTD with LCD Display and Voltage Detection is a handheld tool for quickly locating fuses and assigning them to their circuits. The device detects presence of AC voltage and displays readings on an integrated LCD, allowing fast and accurate identification of breakers in residential and light commercial electrical panels. Operating voltage: 220V.
Advantages
The tester provides fast and accurate locating of fuses and assignment to circuits using voltage detection and a clear LCD display. Its compact handheld design simplifies on-site use and reduces time spent tracing circuits. The unit supports safe operation at standard mains voltage and helps avoid guesswork when mapping electrical panels.
Suitable for
Locating breakers and fuses in residential electrical panels
Assigning circuits during electrical maintenance and troubleshooting
On-site checks by electricians and maintenance technicians
Key specifications
Function: circuit breaker/fuse locator with voltage detection
Display: LCD for voltage indication
Operating voltage: 220 V AC
Form factor: handheld tester
How to use
Connect the transmitter or probe according to the manufacturer’s instructions to the circuit or outlet you want to trace, then use the receiver to scan the electrical panel. Read the voltage indication on the LCD to confirm the live circuit and follow standard safety procedures while working near mains voltage. Ensure the device is set for the correct operating voltage before testing.
Usage recommendations
Use the breaker finder only on circuits within the specified operating voltage and follow local electrical safety rules. Turn off power when required for safe handling and wear appropriate protective equipment during testing.

## FAQ

### How much does the Circuit breaker finder Mastech MS5902RTD cost, and is it available for purchase?

The price is 47.25 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 Thursday 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 Mastech 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 Mastech 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/4281962/11077176_large.webp