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header-product Relpol sequence and phase loss monitoring relay 2P 5A 342–457V AC MR-GU3M2P (2613065)
115.49 €

Relpol sequence and phase loss monitoring relay 2P 5A 342–457V AC MR-GU3M2P (2613065)

Relpol MR-GU3M2P phase sequence and loss relay Photo 1
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Relpol sequence and phase loss monitoring relay 2P 5A 342–457V AC MR-GU3M2P (2613065)

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Relpol sequence and phase loss monitoring relay 2P 5A 342–457V AC MR-GU3M2P (2613065)

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Short description

Relpol MR-GU3M2P is a two-pole sequence and phase-loss monitoring relay rated for 5 A and designed for AC supply voltages 342–457 V. It detects incorrect phase sequence and phase failure to protect three-phase motors and equipment, providing reliable trip/contact switching. Suitable for industrial control panels, motor protection and automation systems.
Available for order: 6 pcs.
Warranty: 2 Years
SKU: 12106505
Manufacturer: Relpol
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Cost

1.99 €

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2b. Kengaraga str., Riga, Latvia, LV-1063
13.07.2026 {{selectedOffer.officeDeliveryString}}
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Product information

Description

Relpol MR-GU3M2P is a two-pole sequence and phase-loss monitoring relay designed for three-phase AC systems with supply voltage in the 342–457 V range. The device monitors phase sequence and detects phase failure, producing a switching response to protect motors and three-phase equipment from damage caused by incorrect rotation or missing phases. Constructed for panel mounting, the relay provides reliable contact operation rated up to 5 A for control and protection circuits in industrial and automation environments.

Advantages

The MR-GU3M2P offers compact two-pole monitoring with a clear detection of phase loss and incorrect phase sequence without affecting main power circuits. Its operating voltage range covers higher-voltage three-phase installations, and the relay's 5 A contact rating suits control and auxiliary circuits. The device is suitable for integration into control panels and motor protection systems where accurate phase monitoring and dependable switching are required.

Suitable for

  • Protection of three-phase motors against reversed rotation
  • Detection of single-phase conditions and phase loss in industrial installations
  • Integration into motor starter panels and automation control cabinets
  • Control circuits and auxiliary switching where 5 A contact rating is sufficient

Key specifications

  • Function: phase sequence monitoring and phase-loss detection
  • Poles: 2 contact poles
  • Rated switching current: 5 A
  • Supply voltage range (AC): 342–457 V
  • Intended for three-phase AC systems
  • Mounting: panel / control cabinet integration

How to use

Install the MR-GU3M2P in a suitable control cabinet or panel according to the manufacturer's mounting and wiring guidelines, ensuring correct connection of the three-phase supply to the relay input terminals. Configure any available settings for response behavior if the unit provides adjustable parameters, then connect the relay's output contacts to the motor starter or control circuit that must be interrupted on phase fault or incorrect sequence. Verify wiring and perform functional tests under controlled conditions before placing the protected equipment into normal operation.

Usage recommendations

Use the relay on systems where the supply voltage consistently falls within the specified 342–457 V range and ensure contact loads do not exceed the 5 A rating. Combine the relay with appropriate overload and short-circuit protection devices, and follow applicable electrical standards for installation, earthing, and commissioning to maintain safe and reliable operation.

Description

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Customer questions

FAQ

How much does the Relpol MR-GU3M2P phase sequence and loss relay cost, and is it available for purchase?

The price is 115.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 13.07.2026 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 MR-GU3M2P phase sequence and loss relay be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Relpol MR-GU3M2P phase sequence and loss relay online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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