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EJB... Serie

EJB... Serie
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EJB... Serie

Product catalog summary
Certification and Standards: The document details certifications for explosion-proof enclosures, including CE type test certifications (CESI 00 ATEX 036U, CESI 01 ATEX 026, CESI 03 ATEX 015, CESI 02 ATEX 073), Australian, GOST R (Russia), GOST K (Kazakhstan), and IECEx certifications. These enclosures adhere to CENELEC standards and the European Directive 94/9/EC.
Specifications: Designed for hazardous areas with explosive atmospheres, these enclosures are suitable for industries such as chemical, petrochemical, pharmaceutical, onshore, offshore, and oil and gas. They are rated for ambient temperatures from -20°C to +60°C and have various IP ratings (IP65, IP66/67) based on configuration.
Technical Features: Made from aluminum alloy, the enclosures can serve as junction boxes or for installing electrical equipment. Customization options include drilling and threading per customer specifications. Accessories include internal frames, anti-condensate coatings, and air/drain valves.
Electrical Features: Supporting voltages from 24V to 1000V and frequencies of 50-60Hz, these enclosures handle maximum currents up to 650A and have temperature classes (T6, T5, T4) based on ambient conditions and enclosure size.
Applications: Used for control, monitoring, and signaling units, as well as voltage dischargers, these enclosures are suitable for zones 1, 2, 21, and 22, where explosion risks due to gases or dust exist.
Health and Safety: Installation and maintenance must comply with local health and safety regulations and CortemGroup standards. Each product includes a safety, use, and maintenance manual.
Construction Features: EJB series enclosures are constructed from copper-free aluminum alloy with a standard RAL 7035 epoxy coating. Cover screws are made of A2-R700 N/mm2 stainless steel, and internal/external earth screws are AISI 604 UNI 7323 stainless steel. Internal mounting frames are aluminum with a thickness of 25/10.
Specifications: Various enclosure types (EJB-1, EJB-2, etc.) are listed with their dimensions and weights. Data for drilling the cover and body of these enclosures specify the maximum number of holes allowed for both reinforced and solid covers.
Drilling Data: Detailed tables provide the maximum number of holes permitted for different enclosure types, specifying dimensions and maximum quantity for each hole type.
Windows and Round Windows: Maximum dimensions for windows and round windows for each enclosure type are outlined, with specific configurations available upon request from Cortem.
Terminal Configuration: Typical terminal configurations for each enclosure type are provided, detailing the maximum number of installable terminals and their sections. Distances are indicative and should be evaluated case by case.
Additional Information: A software tool is available on the Cortem Group website to assist customers in selecting the appropriate junction box based on the number of holes, terminals, and protection degree required.
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Catalog excerpts

EJB... Serie-1

si TECHNICAL FEATURES EJB... series aluminium alloy enclosures are used both as junction boxes with or without terminals and to install other electrical equipment such as switches, indicators, section switches, remote control switches and transformers. Enclosures can be drilled and threaded both on walls and covers according to customer is specifications. ACCESSOR/ES • Internal frame • Internal anti-condensate coating • Air and drain valve Le custodie della serie EJB. costruite in lega di alluminio vengono impiegate sia come cassette di derivazione con o senza morsetti, sia per l’installazione di altri appa-rati elettrici come interruttori, segnalatori, sezionatori, teleruttori, trasformatori, ecc., sia per la realizzazione di quadri elettrici. Le custodie possono essere forate e filetta-te sia sulle pareti che sui coperchi, su spe-cifica del cliente. ACC/SSORI • Telaio interno • Verniciatura interna anticondensa • Valvola di sfiato e drenaggio CONFORMITY TO STANDARDS Explosion-proof enclosures are manufactured according to CENELEC standards EN 60079-0: 2004, EN 60079-1: 2006, EN 60079-11: 2007, EN 61241-1: 2004, EN 61241-0: 2006 and EUROPEAN DIRECTIVE 94/9/EC: 1994. INSTALLATION AR/AS These enclosures are designed for use indoors or outdoors in potentially hazardous atmospheres due to the presence of explosive or combustible gases and dusts. They are installed in the following zones: zone 1, zone 2, zone 21, zone 22. CONFORMITA' ALL/ NORMATIVE STANDARD Custodie a prova di esplosione costruite in accordo alle normative CENELEC EN 60079-1: 2004, EN 60079-0: 2006, EN 60079-11: 2007, EN 61241-1: 2004, EN 61241-0: 2006 ed alla DIRETTIVA EUROPEA 94/9/EC: 1994. LUOGHI DI INSTALLAZION/ Le custodie vengono usate in luoghi pericolosi all’interno o all’ester-no dove esiste pericolo di esplosioni o combustioni di gas e di pol-veri combustibili, vengono installate nelle seguenti zone: zona 1, zona 2, zona 21, zona 22. CUSTODIE VUOTE CE type test certification: CESI 00 ATEX 036U Australian Certification: AVAILABLE GOST R (Russia) Certification: AVAILABLE GOST K (Kazakhstan) Certification: AVAILABLE c € 0722 Execution: <g> II 2 GD Ex d MB +H2 Ex tD A21 IP65 Enclosures with silicone grease for IP protection with or without devices © II 2 GD Ex d MB +H2 Ex tD A21 IP66/67 Ring sealed enclosures without signal and control devices <g> II 2 GD Ex d MB +H2 Ex tD A21 IP66 Ring sealed enclosures with M-0 signal and control devices Ambient Temperature: -20 +60°C Certificato di esame CE del tipo: CESI 00 ATEX 036U Certificato Australiano: DISPONIBILE Certificato GOST R (Russia): DISPONIBILE Certificato GOST K (Kazhakistan): DISPONIBILE Custodie con grasso al silicone per la tenuta IP con o senza operatori © II2 GD Ex d IIB +H2 Ex tD A21 IP66/67 Custodie con guarnizione di tenuta senza operatori di comando e segnalazione <g> II 2 GD Ex d IIB +H2 Ex tD A21 IP66 Custodie con guarnizione di tenuta con operatori di comando e segnalazione tipo M-0 Temperatura ambiente: -20 -e +60°C 2 Explosion Proof Electrical Fittings [?l|f DUDiSDUZO Sae Equipment for Hazardous Areas

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EJB... Serie-2

CERTIFICATION AND USE encusues wth term/nus CERTIFICAZION I ED ESECUZIONE - CUSTODIE CON MORSETT - CESI 01 ATEX 026 AVAILABLE AVAILABLE CE type test certification: Australian Certification: GOST R (Russia) Certification: Certificato di esame CE del tipo: Certificato Australiano: Certificato GOST R (Russia): CESI 01 ATEX 026 DISPONIBILE DISPONIBILE GOST K (Kazakhstan) Certification: AVAILABLE Lfid Enclosures with silicone grease <g> II 2 GD Ex d MB +H2 Ex tD A21 P66/67 Ring sealed enclosures Maximum surface temperature with GD enclosures: • T6 for ambient temperature -20 +40°C • T5 for ambient...

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EJB... Serie-3

AVAILABLE AVAILABLE AVAILABLE AVAILABLE CE type test certification: Australian Certification: GOST R (Russia) Certification: GOST K (Kazakhstan) Certification: lECEx Certificate: C€ 0722 Execution: <S> II 2 GD Ex d IIB+H2 Ex tD A21 IP65 Ambient Temperature: Enclosures with silicone grease © II 2 GD Ex d IIB +H2 Ex tD A21 IP66/67 Ring sealed enclosures without signal and control devices <S> II 2 GD Ex d IIB +H2 Ex tD A21 IP66 Ring sealed enclosures with M-0 signal and control devices -20 +40°C -20 +55°C ELECTRICAL FEATURES Rated voltage: Rated Frequency: Maximum current in contacts: Maximum lamp...

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EJB... Serie-4

ELECTRICAL FEATURES Rated voltage (kV): 6 - 9 - 10,5 - 12 - 15 Rated discharge current: 10 kA Temperature class: • T6 for ambient temperature -20 +40°C • T5 for ambient temperature -20 +55°C Maximum enclosure surface temperature: • T85°C for ambient temperature -20 +40°C • T100°C for ambient temperature -20 +55°C _ENCLOSURES USED AS CONTROL UNIS AMD_ MONITORING OF INTERFACE UNITS CE type test certification: CESI 02 ATEX 073 Australian Certification: AVAILABLE GOST R (Russia) Certification: AVAILABLE GOST K (Kazakhstan) Certification: AVAILABLE Enclosures with silicone grease (Unsuitable for EJB-01...

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EJB... Serie-5

Internal mounting frame - Telai Internl SIZE - DIMENSIONI (mm) TYPE TIPO CUSTODIA

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EJB... Serie-6

The EJB... series enclosures are made of UNI-4514, UNI-3019, UNI-3051 or UNI-3599 copper-free aluminium alloy with standard RAL 7035 epoxy coating. The cover screws are made of A2-R700 N/mm2 stainless steel. The internal/external earth screws are made of AISI 604 UNI 7323 stainless steel.* Notes: holes can only be made by the owner of the certificate or by companies authorized by the same owner. * The internal mounting frame is made of aluminium 25/10 thick Le custodie della serie EJB... sono costruite in lega di alluminio UNI-4514, UNI-3019, UNI-3051 o UNI-3599 esente da rame. Standard verniciatura...

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EJB... Serie-7

DRILLING OF THE BODY- FORATURA DEL CORPO S/de A and C- Lati A e C

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EJB... Serie-8

ROUND WINDOWFOR EJB... SERIES ENCLOSURES - QBLO PER CASSETTE SERIE EJB... ENCLOSURE TYPE TIPO CUSTODIA Notes: the arrangement of non-standard windows and round windows can be required to Cortem. Nota: la disposizione d i finestre e oblo fuor i standard puo essere richiesta a Cortem.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.