HV High Voltage Busbar Box


High Voltage BusBar Box
BusBar Boxes

11KV High Voltage Busbar Box | BUSBAR BOX enclosure

Product Reference Range: EBBB1A4GPAC, EBBB2A4GPAC, EBBB3A4GPAC, EBBB4A4GPAC, EBBB5A4GPAC, EBBB6A4GPAC

Abtech’s 11 kV busbar box is designed to safely carry high-voltage supplies with extreme current loadings in Zone 1 hazardous areas. Suitable for larger connectors (typically 150mm² and above), the enclosure supports three phases plus neutral and up to six conductors per phase, with standard ratings of up to 3000A (3200A optional) and a fault rating of 100kA for 1 second.

ABTECH’s high voltage junction boxes and electrical enclosures, offer reliable solutions for high-voltage installations up to 45kV. These 11kV junction boxes are suitable for Zone 1 & 21 hazardous areas, combining compact, corrosion-resistant designs with versatile mounting options.

Constructed from 2mm 316L stainless steel with 5mm gland plates, silicone gasket and heavy-duty hinges, the enclosure is IP66 and DTS-01 deluge tested. It is certified for Zone 1 & 21 (Gas & Dust), Class 1 Div 2 and InMetro with ATEX/IECEx certification.

SEE TECHNICAL SPECIFICATIONS



high voltage BusBar Box Overview

This 11kV busbar enclosure is designed to safely carry high-voltage supplies with extreme current loadings in Zone 1 & 21 hazardous areas. The enclosure is suitable for larger crimp lugs (16mm² to 800mm²) and supports up to six conductors per phase. Typical maximum current: up to 3000A standard (3200A optional).

Features include DTS-01 deluge testing, heavy-duty machined hinges with lift-off padlockable cover, 2mm 316L stainless-steel construction, and external heavy-duty 3mm angle frames for mounting. Certified for Zone 1 & 21 hazardous areas and provided with ATEX/IECEx certificates.

Contact our experienced team to discuss your requirements or request a quotation for the 11kV BusBar Box. Thorne & Derrick International, based in the UK, are trusted suppliers providing expert technical advice and worldwide delivery.

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 Technical Specifications

Specifications
Enclosure Type High Voltage
Maximum Voltage 11kV
Maximum Current Up to 3000A standard, 3200A optional
Impact Resistance >7Nm
Ingress Protection IP66 to EN60529, DTS-01
Material 2mm 316L Stainless Steel enclosure with orbital finish, silicone gasket and captive 316 stainless steel fasteners, 5mm 316L,  Stainless Steel gland plates
Crimp Lugs 16sqmm to 800sqmm
Earthing Via studs on enclosure, door and gland plates
Mounting Via heavy duty 3mm thick external angle frames
Hazardous Area Certification
Area Classification Zone 1 & 21, Gas and Dust / Class 1 Division 2 / InMetro
Type of Protection Ex e (Increased Safety), Ex tb (Dust Protected)
Apparatus Coding Ex eb IIC T*** Gb, Ex tb IIIC T***C Db
Certificate Number ATEX: CML 20ATEX3085X / IECEx: CML 20.0062X
Ambient Temp Rating -40°C to +***°C

Key BusBar Box Benefits

✔ Heavy duty 2mm 316L stainless steel construction with 5mm gland plates

✔ Up to 3000A standard (3200A optional)

✔ Fault rated 100kA for 1 second

✔ DTS-01 deluge tested / IP66

✔ Suitable for Zone 1 & 21 hazardous areas and Class 1 Div 2

✔ Accepts large crimp lugs (16mm² to 800mm²)

✔ Supports up to six conductors per phase and multiple wiring configurations

✔ Ideal for heavy industrial offshore and onshore applications requiring high current distribution

BusBar Box

BusBar Box — Part References & Dimensions

 

BusBar Box — Part Reference Table
Product Reference* Width (mm) Height (mm) Depth (mm) Maximum Voltage (kV) Maximum Current (A)** Max Ways Max No. Conductors per Way Suits Cable Type
EBBB1A4GPAC 770 675 770 11 3000 4 6 Single core
EBBB2A4GPAC 770 1250 770 11 3000 4 6 Multi core
EBBB3A4GPAC 1000 675 770 11 3000 4 6 Single core
EBBB4A4GPAC 1000 1250 770 11 3000 4 6 Multi core
EBBB5A4GPAC 1250 675 770 11 3000 4 6 Single core
EBBB6A4GPAC 1250 1250 770 11 3000 4 6 Multi core
Note: See Datasheet for Accessories

ABTECH

Thorne & Derrick are a specialist distributor of ABTECH hazardous area enclosures and HV junction boxes, providing expert technical support, competitive pricing and fast worldwide delivery across the full ABTECH product portfolio.

The ABTECH HVJB, ABJB and 4TJB product ranges include specialist 11kV and 33kV high-voltage junction boxes, designed for safe power distribution in Zone 1 and Zone 21 hazardous areas. These stainless-steel enclosures support applications such as power transmission, umbilical systems, pumps, instrumentation and control circuits. All products are certified to ATEX, IECEx and UKCA standards to ensure compliant installation in potentially explosive atmospheres.

ABTECH

ABTECH HV JUNCTION BOXES & ELECTRICAL ENCLOSURES

Data Sheets