HV High Voltage Busbar Box


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.
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.
 Technical Specifications
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 — Part References & Dimensions
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.

