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!..
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13 may 2026
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...
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13 may 2026
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...
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27 april 2026
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...
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20 april 2026
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...
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13 april 2026
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...
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06 april 2026
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...
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25 march 2026
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...
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25 march 2026
Gewiss Multimedia Enclosures: the hub for your smart home
A professional center for your home network: includes sockets, perforated cooling doors, and a full mounting kit for a clean, wire-free setup...
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25 march 2026
3P & 4P Circuit Breakers
Complete guide to three-pole (3P) and four-pole (4P) circuit breakers: catalog from UEC and GEWISS, current prices, specification comparison, wiring diagrams and expert advice on choosing protection for three-phase networks...
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23 march 2026
Where to Install a Double-Pole Breaker
A double-pole circuit breaker (2P) is most commonly installed at the main panel input — to completely disconnect both phase and neutral. Single-pole (1P) breakers are sufficient for branch circuits. This article covers PUE standards, 1P/1P+N/2P comparison, wiring diagrams, and common installation mistakes...
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16 march 2026
Circuit Breakers with Neutral Switching (2P, 1P+N)
We explain why installing a single-pole circuit breaker on the neutral wire is prohibited, when a double-pole breaker (2P or 1P+N) is required, and how to select the right protective device for your main panel, generator, and branch circuits. Practical advice from UEC engineers...
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09 march 2026
Consequences of Incorrect Circuit Breaker Selection: Hidden and Obvious Hazards
A wrong circuit breaker is not just an inconvenience — it is a real threat. An oversized rating melts insulation and leads to fire. An undersized one trips the lights and damages equipment. A wrong B/C/D characteristic causes nuisance tripping or delayed response during a short circuit. We break down all scenarios with tables, formulas, and a selection algorithm...
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23 february 2026
Nuisance Tripping of Circuit Breakers: Causes, Diagnosis, and How Wrong Trip Curves Exacerbate the Problem
Circuit breaker tripping without overload? This article covers 5 most common causes of false tripping (from loose terminals to inrush currents), step-by-step diagnostics, express-check tables, and expert advice from a UEC engineer with 15 years of experience. Learn how the wrong B/C/D trip curve amplifies the problem...
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16 february 2026
Understanding the differences between B, C, and D trip characteristic
Trip curves B, C, and D determine how sensitive a circuit breaker is to inrush currents. B (3–5 In) suits lighting and heating elements, C (5–10 In) is the universal standard for outlets, D (10–20 In) is for motors and heavy machinery. This article includes comparison tables, a real-world selection algorithm, and common mistakes...
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10 february 2026
380V Three-Phase Circuit Breaker: Calculation, Selection, and Installation
Complete guide to selecting a three-phase 380V circuit breaker: calculation formula with cos φ and √3, choosing between 3P and 4P, trip curves B/C/D for motors and heaters, cable capacity verification. Online calculator, cross-section tables and common mistakes checklist...
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06 february 2026
UEC SB-ATS-4-100 automatic backup power switch
The UEC SB-ATS-4-100 automatic transfer switch is a four-pole ATS rated at 100 A for systems with three-phase input. It provides instantaneous switching between main and backup power supplies and supports generator control...
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Автоматичні вимикачі для освітлення (6–10А) та розеток (16–25А): як вибрати і купити
Complete guide to choosing circuit breakers for apartments: 6–10A for lighting, 16–25A for outlets. We break down trip curves B and C, load calculations, coordination with RCDs and RCBOs. Practical advice from a UEC engineer...
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03 february 2026
220V Single-Phase Circuit Breakers: Prices, Calculation & Selection
How to choose a 220V circuit breaker for your apartment? Online calculator, cable cross-section selection table, B vs C trip curve comparison, UEC and GEWISS brand overview. Current 2025 prices in Ukraine...
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22 january 2026
UEC IP54 and IP65 LED Floodlights — reliable lighting for outdoor and Industrial use
Overview of UEC LED floodlights with IP54 and IP65 protection ratings for operation in harsh environments. Rugged housing, bright light, ready-to-use solutions on tripods, and a wide range of power options...
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Circuit Breaker Selection Table by Cable Size and Power (Electrical Code)
How to properly select a circuit breaker for cable cross-section according to electrical code? Practical tables for 220V and 380V, power calculation algorithm, and typical solutions for household appliances from UEC engineer...
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15 january 2026
Types of Circuit Breakers and Their Classification: Complete Selection Guide
Detailed overview of all circuit breaker types: from single-pole to four-pole, from B to D characteristics. Learn how to choose the right breaker for your apartment, house, or industrial facility based on cable cross-section and load type...
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10 january 2026
Circuit Breaker Interrupting Capacity: What It Is and How to Choose (4.5kA, 6kA, 10kA)
What happens if a breaker can't handle a short circuit current? Contacts weld together, the arc escapes the housing, wiring catches fire. In this article, an engineer with 12 years of experience explains how to choose between 4.5kA, 6kA, and 10kA for your property and why the price difference isn't worth the risk...
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09 january 2026
How Many Poles to Choose for a Circuit Breaker: 1P or 2P?
What's the difference between 1P and 2P breakers, and where should you use each? This isn't about saving money — it's about safety. In this article, an engineer with 12 years of experience explains why the main breaker must be 2P, when 1P is sufficient, and how to avoid fatal electrical panel mistakes...
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05 january 2026
