UEC SB-RV & SB-RVA Voltage and Current Monitoring Relays: Reliable Electrical Protection
UEC introduces a new range of SB-RV and SB-RVA voltage and current monitoring relays. The product series provides reliable protection for residential, commercial, and industrial electrical systems, including voltage monitoring, overload protection, and three-phase network control...
Read more
UEC Smart Home Solutions: Wi-Fi & Zigbee Devices for Home Automation
UEC presents a video review of its latest smart home solutions. Discover smart sockets with USB and USB Type-C ports, IP44 weatherproof outlets, Wi-Fi DIN rail smart switches, and a multi-mode Zigbee gateway designed to make your home more comfortable, secure, and energy-efficient...
Read more
36-Module UEC Electrical Distribution Board: Protection, ATS and Smart Home Solutions
UEC presents a detailed video review of a modern 36-module electrical distribution board assembled with UEC components. The solution combines advanced electrical protection, automatic backup power switching, and smart home automation technologies in one compact enclosure...
Read more
UEC Expands the PRO Series with New IP55 Surface-Mounted Junction Boxes
UEC has expanded its PRO series with new compact IP55 surface-mounted junction boxes. Designed for installations with limited mounting depth, the new models combine durability, ease of installation, and reliable protection...
Read more
UEC and GEWISS On-Site Product Training for Kabelelektrotekhnika in Cherkasy
UEC organized an on-site training session for the specialists of Kabelelektrotekhnika in Cherkasy, introducing the latest UEC products and the premium Italian GEWISS product range, along with their features, benefits, and applications...
Read more
RCD Wiring Diagram in a Panel: Single-Phase and Three-Phase
Over 80% of panels in Ukraine are assembled with a single-phase layout, where the RCD is the only barrier between current leakage and electric shock. Three working wiring diagrams, conductor cross-sections and five typical installation mistakes that cause nuisance tripping...
Read more
RCD (Residual Current Device) — Full Guide: How to Choose, Connect, and Avoid Mistakes
A residual current device (RCD) is the only apparatus in a panel that detects current leakage to a person's body or an enclosure and instantly breaks the circuit. UEC engineering guide: operating principle, types, selection by current and sensitivity, wiring diagrams, installation mistakes...
Read more
RCD or RCBO — Which to Choose for an Apartment or House
RCD plus a breaker, or a single RCBO? We explain the difference, compare both across 8 key parameters and show when each solution is more cost-effective for an apartment, house or industrial site...
Read more
TM UEC іntroduces new SMART solutions for modern homes
TM UEC presents a new range of SMART devices for modern home automation. The assortment now includes Wi-Fi and ZigBee smart DIN-rail switches, smart sockets with energy monitoring, and the MHUB-1 multi-mode gateway. The new products provide remote control, power consumption monitoring, automation scenarios, and improved electrical network safety...
Read more
Voltage Relay Wiring Diagram for Electrical Panel: Single-Phase and Three-Phase
A voltage relay disconnects the circuit in 0.02 seconds during a voltage surge — but only if wired correctly. This article covers 5 field-tested wiring diagrams: basic single-phase, with contactor for loads over 40 A, socket-type, three-phase, and full protection with RCD. Plus 6 mistakes we see even from experienced electricians...
Read more
Expansion of the UEC range of protective automation equipment — SB-RV-08 and SB-RVA-08 series voltage and current relays
The UEC brand presents the new SB-RV-08 series voltage relays and the SB-RVA-08 combined voltage and current relays for single-phase and three-phase networks. These new products ensure continuous monitoring of network parameters and effective protection of electrical equipment...
Read more
An overview of the ready-made GEWISS electrical distribution board for a modern home
In this new video, we showcase a ready-to-use GEWISS distribution board for a modern home and take a detailed look at its features: circuit protection, the Restart Autotest PRO RCD, lighting control, energy recovery and electric vehicle charging...
Read more
Voltage Relay + RCD and RCBO: Proper Connection Sequence in Electrical Panel
Voltage relay, RCD and RCBO are three protection devices with different functions. This article explains why they are not interchangeable, how to properly arrange them in the panel, and what mistakes to avoid during installation...
Read more
FEGIME Day 2026: Come and visit the UEC and Gewiss stand
See you at the industry’s flagship event — FEGIME Day 2026! We invite you to visit our stand, where we will be showcasing innovative solutions from the UEC and Gewiss brands. You can look forward to exclusive new products, practical case studies and the chance to chat with experts in person. 22 May, from 09:30. Registration is now open!..
Read more
New stock of GEWISS (Italy) equipment
We are pleased to announce the arrival of a new batch of products from the Italian brand GEWISS. We have a wide range of power distribution equipment in stock, from circuit breakers to IEC 309 HP series industrial connectors and distribution boards. The products are now available for dispatch...
Read more
UEC New Mounting Accessories: Busbar Insulators, Terminal Blocks and DIN Rail Components
UEC introduces a new range of mounting accessories for electrical panels, including SM busbar insulators, step insulators, KVM input terminals, and DIN rail stops. The products provide reliable fixing, insulation, convenient connection, and professional installation solutions...
Read more
Voltage Relay - Complete Guide: How to Choose, Connect and Configure for Your Home
A voltage relay disconnects the electrical network within 0.02 seconds when voltage exceeds the safe 207–253V range per DSTU EN 50160:2023 and automatically restores power after stabilization. This guide covers the operating principle, 4 classification axes, 7 selection criteria, brand comparison with 2026 prices, panel wiring diagram and 6 common installation mistakes...
Read more
Voltage Relay vs Voltage Stabilizer - Which to Choose for Your Home
A voltage relay disconnects the network during dangerous voltage spikes, while a stabilizer corrects voltage to 220V. This article compares both devices across 8 parameters, examines three typical scenarios, and provides specific recommendations for apartments, private homes, and cottages with gas boilers...
Read more
Circuit Breaker Selectivity — Coordination & Selection Guide
Selectivity is more than just different ratings. This article explains how to properly pair circuit breakers so that only the damaged section is de-energized during a fault. Manufacturer tables, real examples, common mistakes...
Read more
Modular DIN-Rail Circuit Breakers — Selection Guide for Home
A complete guide to modular DIN-rail circuit breakers. We cover key characteristics — poles, rated current, trip curves B/C/D, and breaking capacity. Practical scenarios for apartments and private houses...
Read more
10 kA Circuit Breakers — Breaking Capacity & Selection Guide | UEC
10 kA breaking capacity is the maximum short-circuit current a breaker can safely interrupt. This article compares 4.5, 6, and 10 kA ratings, explains the difference between Icu and Ics, provides a selection algorithm, and lists common mistakes...
Read more
Breaking Capacity 4.5, 6, 10 kA - Comparison & Selection Guide
How to choose the breaking capacity (Icn) of a circuit breaker — 4.5, 6 or 10 kA? A UEC engineer explains the differences, provides a decision matrix for apartments, houses and commercial facilities, and breaks down IEC standards and common selection mistakes...
Read more
Setting up a Gewiss mechanical timer: simple automation for your home
Master the setup of your Gewiss mechanical timer. Learn about 230V wiring, load connection, and schedule programming for home and business...
Read more
Professional approach to electrical installation: 3-phase panel assembly with UEC
A deep dive into assembling a 36-module electrical panel with UEC equipment. Learn about circuit logic, ATS integration, and professional wiring standards...
Read more