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header-product Three-phase voltage relay ZAMEL PNM-31 230/400V AC (MPN: EXT10000105)
56.49 €

Three-phase voltage relay ZAMEL PNM-31 230/400V AC (MPN: EXT10000105)

ZAMEL PNM-31 three-phase voltage relay 230/400V Photo 1
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Three-phase voltage relay ZAMEL PNM-31 230/400V AC (MPN: EXT10000105)

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Three-phase voltage relay ZAMEL PNM-31 230/400V AC (MPN: EXT10000105)

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Short description

ZAMEL PNM-31 is a three-phase voltage relay designed for monitoring 230/400V AC networks. The device controls voltage presence and protects installations by detecting undervoltage, overvoltage or phase loss conditions across three phases. Intended for electrical panels and automation systems, it helps ensure safe operation of motors, pumps and industrial equipment where phase monitoring is required.
Available for order: 2 pcs.
Warranty: 2 Years
SKU: 12115309
Manufacturer: ZAMEL
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
15.10.2026 {{selectedOffer.officeDeliveryString}}
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20.10.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
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Product information

Description

ZAMEL PNM-31 is a three-phase voltage relay designed to monitor 230/400V AC electrical networks. The device continuously checks voltage levels across three phases and detects undervoltage, overvoltage and phase loss conditions to protect connected equipment. Built for DIN-rail mounting in electrical panels, the relay is intended for use in automation systems where reliable phase monitoring is required to maintain safe operation of motors, pumps and other industrial loads.

Advantages

The relay provides automatic detection of phase loss and asymmetry, helping to prevent damage caused by single-phasing or unbalanced voltages. Its compact DIN-rail form factor simplifies panel installation and saves space. The unit operates with standard 230/400V AC networks and delivers consistent monitoring without the need for complex external circuitry. Designed for industrial and commercial installations, it supports reliable protection of three-phase equipment and reduces downtime caused by electrical faults.

Suitable for

  • Protection of three-phase motors and pumps in industrial and commercial installations
  • Phase presence and symmetry monitoring in automation control panels
  • Preventive protection for HVAC systems and compressors
  • Electrical distribution panels in workshops, factories and utility rooms

Key specifications

  • Supply / monitoring voltage: 230/400V AC three-phase
  • Monitored conditions: undervoltage, overvoltage, phase loss and phase asymmetry
  • Mounting: DIN-rail compatible housing for panel installation
  • Application: continuous three-phase monitoring for motors, pumps and industrial equipment

How to use

Install the relay on a standard DIN rail inside the control panel and connect the three-phase supply to the designated input terminals according to the wiring diagram supplied by the manufacturer. Configure any adjustable thresholds or time delays if the model provides such settings, then feed the relay output to the contactor or control input of the protected equipment. Verify correct operation by applying normal supply and simulating fault conditions to confirm the relay detects phase loss, undervoltage and overvoltage as intended.

Usage recommendations

Ensure all wiring and installation steps are performed by a qualified electrician and comply with local electrical regulations. Keep the relay and panel free from excessive dust and moisture, and perform periodic functional checks to confirm reliable phase monitoring.

Description

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Customer questions

FAQ

How much does the ZAMEL PNM-31 three-phase voltage relay 230/400V cost, and is it available for purchase?

The price is 56.49 € (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 15.10.2026 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 ZAMEL 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 ZAMEL 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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