The latest lighting products from LINAREA are now in stock at UEC
New LINAREA (by UEC) lighting products are now available at the UEC warehouse, including LED panels, industrial linear luminaires, floodlights, luminaires for utility rooms and LED night lights...
Read more
GEWISS (Italy) Product range expanded with new items
The GEWISS (Italy) product range has been expanded with new 90 AM motor protection circuit breakers, 40CDi flush-mounting enclosures and three-phase DIN-rail indicators. All listed items are available to order...
Read more
GEWISS and UEC on-site seminar for partners and electrical installers
We held an on-site seminar for partners and electrical installers at Syla Strumu, focusing on the practical and technical features of GEWISS and UEC products, installation convenience, reliability and safety...
Read more
New UEC product shipment arrives at our warehouse
A new batch of UEC (Ukrainian Electrical Components) products has arrived at our warehouse, including cable ducts, IP55 junction boxes and rigid smooth PVC conduit. The products are in stock and ready for shipment...
Read more
GEWISS Sustainability Report 2025: Sustainable Development and Innovation
GEWISS Group has published its Sustainability Report 2025, highlighting key achievements in sustainable development, energy efficiency, environmental responsibility, innovation and corporate culture...
Read more
Three-Phase Voltage Relay and Phase Control Relay (380 V): Protecting a Three-Phase Network
A 230/400 V three-phase supply creates faults that do not exist in a single-phase network: phase loss, voltage imbalance and wrong phase sequence. We explain how a phase control relay differs from a voltage relay, when one three-phase relay beats three single-phase ones, and how to build a protection funnel for motors and pumps with a contactor...
Read more
Happy Independence Day of Ukraine!
35 years of Ukraine’s Independence — years of freedom, strength and resilience. Today, we value peace, home and the opportunity to be together more than ever...
Read more
New products and expanded product line from UEC: SB-R10N and SB-H09
UEC expands its range with SB-R10N Type A residual current circuit breakers with overcurrent protection and new SB-H09 three-position changeover switches for switching between two power sources...
Read more
Optimal Voltage Relay Settings: Thresholds and Delay for Your Network
Factory relay thresholds are an averaged compromise that ignores the state of your line. We break down the method: how to choose the upper and lower thresholds by logic, tune hysteresis and delay for a fridge, air conditioner, or water heater, and avoid turning protection into a source of daily false trips...
Read more
Manual Changeover Switch 1-0-2: What It Is and How to Choose
A changeover switch — also called a three-position switch or a 1-0-2 load transfer switch — is a manual device that moves the house supply from the grid to a generator and back. We explain what the three handle positions mean, how this isolator differs from an automatic ATS, and how to pick the rating and the pole configuration for your site...
Read more
Innovative solutions by GEWISS and UEC: Technical seminar at PIVDEN SVITLO
UEC held a technical seminar for the partners of PIVDEN SVITLO, showcasing innovative solutions from GEWISS and UEC, including the latest product launches, Smart Home solutions, and comprehensive electrical solutions for residential, commercial, and industrial applications...
Read more
New GEWISS stock arrival at UEC – Circuit Breakers, Enclosures, IEC 309 Plugs & Sockets
A new shipment of GEWISS electrical equipment is now available at the UEC warehouse. The range includes modular protection devices, junction boxes, electrical enclosures, IEC 309 industrial plugs and sockets, and wiring accessories – all ready for immediate dispatch...
Read more
ATS for a Generator and Inverter: Wiring Diagram and Installation
An ATS for a generator transfers the house load to the backup source in 50 ms and guarantees separation between sources. We go through the wiring diagram: where to run line, neutral and earth, where the transfer switch sits in the panel, how the hybrid-inverter scenario differs from the generator one, and why feeding a generator into a socket is lethal...
Read more
ATS (Automatic Transfer Switch): The Complete Guide
An ATS (automatic transfer switch) moves the load from the grid to a generator or an inverter by itself — in anything from 50 ms to 1-2 seconds. The UEC engineering department explains the operating principle, the four types of device, how to calculate the rated current from power, and how to choose the number of poles for your earthing arrangement...
Read more
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
ATS or Manual Transfer Switch: What to Choose for Your Home
There is always one device between the grid and your backup source — the transfer switch. We explain when you need an automatic ATS that switches in 50 ms, and when a manual 1-0-2 changeover switch is enough: a seven-criteria comparison and a scenario matrix for apartments, houses and businesses...
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