OEZ
Manufacturer of low-voltage circuit breakers, RCDs and distribution boards for electrical installers and designers
Recent signals
What changed at OEZ in the last 6 months, newest first. Each line links to its public source.
- 18 Sep 2026 Public contract · Won €10k public contract from Teplárny Brno, a.s.: Smlouva o dílo - Zhotovení díla "Repase rozvaděče nn vstupního pole BJC HK" smlouvy.gov.cz
- 18 Aug 2026 Public contract · Won €14k public contract from DIAMO, státní podnik: Smlouva o dílo - Oprava jištění sekundárního okruhu T5, SLKR I smlouvy.gov.cz
- 14 May 2026 Public contract · Won €13k public contract from Správa železnic, státní organizace: Výměna hlavních jističů na trati Přerov - Nedakonice smlouvy.gov.cz
About OEZ
OEZ develops and manufactures low-voltage circuit protection and switching devices, including miniature and compact circuit breakers, residual current devices, arc fault protection, surge protectors, contactors, fuse systems and Distri distribution boards. The company also offers service (commissioning support, circuit breaker checks, preventive maintenance, retrofits) and software tools such as the Sichr calculation program and the OEZ configurator.
Customers are electrical installers, designers and distributors, with the company's catalogue covering energy, industry, infrastructure and residential construction. The website lists a sales team and a range of product catalogues and technical documents, but does not describe pricing or revenue model beyond product and service sales.
The company states that it was founded as a manufacturer of low-voltage switching devices 85 years ago, under earlier names including Elektrotechnické závody, a.s. Its current legal entity, OEZ s.r.o., was registered in Czechia in 1993 and is headquartered in Letohrad. The website says the company has been connected with Siemens for 19 years and reports more than 1,500 employees. Its careers section lists job openings, student cooperation and a whistleblowing channel; the website is published in Czech, English, Russian and Slovak.
Product: Low-voltage circuit breakers, RCDs, surge protectors, fuse systems, contactors and Distri distribution boards, with service and the Sichr calculation software.
Public contracts
Contracts OEZ signed since 1 Nov 2024, from the Slovak and Czech public contract registers. Values as published; amendments are not counted.
Customers
28 contracts with 23 buyers · 8.4M CZK
| Contracts | Value | |
|---|---|---|
| Státní fond životního prostředí České republiky | 1 | 4.4M CZK |
| VODÁRNA PLZEŇ a.s. | 2 | 468k CZK |
| Fakultní nemocnice Brno | 1 | 386k CZK |
| Teplárny Brno, a.s. | 2 | 347k CZK |
| DIAMO, státní podnik | 1 | 337k CZK |
| Správa železnic, státní organizace | 1 | 324k CZK |
| Praha Ruzyně - vazební věznice (Vězeňská služba České republiky) | 1 | 269k CZK |
| Masarykův onkologický ústav | 1 | 212k CZK |
Latest contracts
- 13 Oct 2026 for Centrum sociálních služeb Tloskov · Zápis o uzavření smlouvy · 129k CZK register
- 29 Sep 2026 for Střední odborná škola a Střední odborné učiliště Lanškroun · Darovací smlouva - jistící přístroje · 86k CZK register
- 18 Sep 2026 for Teplárny Brno, a.s. · Smlouva o dílo - Zhotovení díla "Repase rozvaděče nn vstupního pole BJC HK" · 257k CZK register
- 18 Aug 2026 for DIAMO, státní podnik · Smlouva o dílo - Oprava jištění sekundárního okruhu T5, SLKR I · 337k CZK register
- 12 Aug 2026 for VODÁRNA PLZEŇ a.s. · ČOV Plzeň - T3,4 · 228k CZK register
- 22 Jun 2026 for Střední průmyslová škola Žďár nad Sázavou · Darovací smlouva - věcný dar - ele. přístroje · 112k CZK register
Public tenders won
4 tenders won since 1 Jan 2024 from 1 public buyer in Czechia, worth 23.6M CZK as awarded. From EU award notices (TED) that name OEZ by its registry number.
- 2 Nov 2026 ČEZ Distribuce, a. s. · VÝKONOVÉ JISTIČE A PŘIPOJOVACÍ SADY (RETROFITY) · 2.4M CZK notice
- 27 Jul 2026 ČEZ Distribuce, a. s. · VÝKONOVÉ JISTIČE A PŘIPOJOVACÍ SADY (RETROFITY) · 1.9M CZK notice
- 22 Apr 2026 ČEZ Distribuce, a. s. · VÝKONOVÉ JISTIČE A PŘIPOJOVACÍ SADY (RETROFITY) · 3.5M CZK notice
- 19 Jan 2026 ČEZ Distribuce, a. s. · VÝKONOVÉ JISTIČE A PŘIPOJOVACÍ SADY (RETROFITY) · 15.9M CZK notice
Jobs at OEZ
Leadership
- Jürgen Braun · Jednatel (Managing director)Source: business register
- Lukáš Adamec · Jednatel (Managing director)Source: business register
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Website technologies
Tools and platforms detected on this company’s website, grouped by purpose. Dates record when Evolc observed them.
Analytics
- HotjarMedium confidence
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- Integration code on pageinitialization/configuration expression
- Integration code on pageinitialization/configuration expression
- Integration code on pageinitialization/configuration expression
Backend
- PHPMedium confidence
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- Cookie namedistinctive cookie name
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Content delivery
- CloudflareHigh confidence
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Forms
- Google reCAPTCHAHigh confidence
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Frontend frameworks
- jQueryHigh confidence
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- Website resourcedeclared script/iframe or software asset
Marketing & advertising
- LinkedIn InsightMedium confidence
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- Integration code on pageinline script loader
- Meta PixelMedium confidence
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- Integration code on pageinitialization/configuration expression
- Integration code on pageinitialization/configuration expression
- Integration code on pageinitialization/configuration expression
Website detection does not establish a paid subscription or company-wide use. Tools loaded after consent or sign-in may be missed. “No longer observed” does not prove the company stopped using a tool.