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header-product Novatek-Electro RNPP-312 Phase Sequence, Loss and Asymmetry Monitoring Relay 400V
48.99 €

Novatek-Electro RNPP-312 Phase Sequence, Loss and Asymmetry Monitoring Relay 400V

Novatek-Electro RNPP-312 Phase Monitoring Relay Photo 1
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Novatek-Electro RNPP-312 Phase Sequence, Loss and Asymmetry Monitoring Relay 400V

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Novatek-Electro RNPP-312 Phase Sequence, Loss and Asymmetry Monitoring Relay 400V

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Short description

The Novatek-Electro RNPP-312 is a professional monitoring relay designed to protect three-phase electrical equipment. It detects phase sequence, phase loss, and voltage asymmetry in 400V networks. This device ensures reliable operation of industrial and commercial electrical systems by preventing damage caused by unstable power supply conditions. It is an essential component for maintaining safety and longevity in electrical installations.
Available for order: 14 pcs.
Warranty: 2 Years
SKU: 12451433
Manufacturer: Novatek-Electro
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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
14.07.2026 {{selectedOffer.officeDeliveryString}}
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17.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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From 1.89 €
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Product information

Description

The Novatek-Electro RNPP-312 is a professional-grade monitoring relay engineered to provide comprehensive protection for three-phase electrical equipment operating in 400V networks. This device continuously monitors the quality of the power supply, specifically detecting phase sequence, phase loss, and voltage asymmetry. By identifying these critical faults in real-time, the relay helps prevent potential damage to motors, compressors, and other sensitive industrial machinery caused by unstable electrical conditions, thereby ensuring the longevity and reliability of your electrical infrastructure.

Advantages

The primary advantage of the RNPP-312 is its high precision in detecting power anomalies that could otherwise lead to equipment failure or costly downtime. Its compact design allows for easy integration into standard electrical cabinets, while the robust internal circuitry ensures consistent performance even in demanding industrial environments. By automating the monitoring process, it removes the need for manual checks and provides an immediate response to power fluctuations, significantly enhancing the safety profile of any electrical installation.

Suitable for

  • Industrial motor protection
  • Commercial HVAC systems
  • Refrigeration and cooling equipment
  • Three-phase power distribution panels
  • Automation and control systems

When it may not be suitable

This relay is specifically designed for 400V three-phase networks and is not suitable for single-phase applications or systems operating at significantly different voltage levels. It should not be used in environments where the ambient temperature or humidity exceeds the manufacturer's specified operating limits, as this may affect the accuracy of the monitoring functions.

Key specifications

  • Rated voltage: 400V AC
  • Monitored parameters: Phase sequence, phase loss, voltage asymmetry
  • Network type: Three-phase
  • Mounting: Standard DIN rail

How to use

The device should be installed by a qualified electrician within a distribution board on a standard DIN rail. Connect the three-phase power supply lines to the designated input terminals according to the wiring diagram provided with the unit. Once connected, the relay will automatically begin monitoring the incoming voltage. The status indicators on the front panel provide visual feedback regarding the current state of the power supply, allowing for quick diagnostics during installation and routine maintenance.

What to consider before purchase

  • Verify that your network voltage matches the 400V rating of the device.
  • Ensure there is sufficient space on the DIN rail within your electrical enclosure.
  • Confirm that the relay's monitoring features align with the specific protection requirements of your equipment.

Usage recommendations

For optimal performance and safety, ensure that all electrical connections are tightened to the specified torque and that the device is protected from moisture, dust, and extreme vibrations. Regularly inspect the status indicators to confirm the system is operating within normal parameters.

Description

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Customer reviews

Customer questions

FAQ

How much does the Novatek-Electro RNPP-312 Phase Monitoring Relay cost, and is it available for purchase?

The price is 48.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 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. 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 Novatek-Electro 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 Novatek-Electro 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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