6.6kV-8.3kV High Voltage Junction Box – Zone 1 & Zone 2 Hazardous Area ATEX

High Voltage Junction Box 6.6kV-8.3kV - Zone 1 Zone 2 Hazardous Area ATEX

HV Enclosures & Junction Boxes Up to 8.3kV

Abtech MJB high voltage hazardous area electrical enclosures and junction boxes provide safe power distribution for 3.3kV, 6.6kV and 8.3kV systems up to 240sqmm cables – ATEX certified for Zone 1 and Zone 2 connection of HV cables in hazardous area locations.

The high voltage junction box is suitable for low temperature applications and is DTS-01 deluge tested.

Abtech MJB high voltage (HV) cable junction boxes are manufactured from 316L stainless steel and used primarily for jointing cables or as a connection box, the MJB is suitable for up to 4 phase connections (top and bottom) and a maximum of 8.3kV.

High Voltage HV Junction Box

Zone 1 & Zone 2 Hazardous Area

ATEX Certified

Abtech MJB

HV Junction Boxes Manufactured From 316 Stainless Steel For Offshore 3.3kV, 6.6kV and 8.3kV High Voltage Cable Connections & Terminations

HV Junction Boxes Modified To Client Specifications For Jointing & Connecting EPR & XLPE High Voltage Power Cables (Single & 3 Core)

Abtech MJB General Arrangement HV Enclosure Drawing – cable termination, enclosure and junction box suitable for jointing, connecting and terminating HV cables 6.6kV-8.3kV.

Abtech Part Ref	Width (mm) Dimension X	Height (mm) Dimension Y	Depth (mm)	Depth (mm) Dimension Z	Power Rating (W)	Maximum Voltage (kV)	Maximum Number Of HV Cables	Maximum HV Cable Conductors (sqmm)	Hazardous Area Enclosure
MJB65	510	510	200/300	200	16	6.6kV	4	95sqmm	Zone 1 & Zone 2
MJB85	510	510	300	300	16	8.3kV	4	35sqmm	Zone 1 & Zone 2
MJB66	510	780	200/300	200	23	6.6kV	4	120sqmm	Zone 1 & Zone 2
MJB86	510	780	300	300	23	8.3kV	4	35sqmm	Zone 1 & Zone 2
MJB67	650	950	200/300	200	33	6.6kV	4	240sqmm	Zone 1 & Zone 2
MJB87	650	950	300	300	33	8.3kV	4	240sqmm	Zone 1 & Zone 2
MJB68	800	1250	200/300	200	50	6.6kV	4	240sqmm	Zone 1 & Zone 2
MJB88	800	1250	200/300	300	50	8.3kV	4	240sqmm	Zone 1 & Zone 2

Hazardous Area Certification

High Voltage Enclosures & Junction Boxes (HV) – Hazardous Area

ATEX EEx e (Zone 1 & Zone 2)
ATEX EEx nA (Zone 2)
ATEX EEx nR (Zone 2)
NEMA 4X (CSA, UL & FM) Class 1 Division 2
Deluge Tested To DTS-01

Zone 1 & 21, Gas and Dust / Class 1 Division 2

Type Of Explosion Protection – Ex e, Ex tD

Apparatus Hazardous Area Coding – ATEX II 2 G D, Ex e II T6, Ex tD A21 IP66 T85 °C

Temperature Rating

Standard: -20° to +40°C (-4° to 104°F)
Option: -50° to +65°C (-58° to 149°F)

High Voltage HV ENCLOSURE Specification

Electrical Enclosure Type – High Voltage (HV)
Ingress Protection – IP66, Type 4X, DTS-01
Material – Stainless Steel Enclosure
Ambient Temperature Rating – 50°C to +40°C or -50°C to +65°C
Maximum Number Of HV Cable Terminations – Refer to electrical enclosure rating table above
Number Of HV Cable Gland Plates – 2
Suitable for 3.3kV, 6.6kV, 8.3kV
Connector Size – 6sqmm to 150sqmm For 4 Way 35sqmm To 240sqmm For 3 Way
Earthing – Via Studs On Electrical Enclosure, Door & Cable Gland Plates
Mounting – Via 3mm Thick External Mounting Straps, Slotted Upper Strap for Ease Of Installation

ENCLOSURE Options

Abtech MJB/4 4 Way HV Junction Box Enclosure
Abtech MJB/E 3 Way HV Junction Box Enclosure with 4 x M10 Earth Points (6.6kV Only)

Add the required suffix to the product reference. Example: Abtech MJB67/4 is a high voltage enclosure suitable for 6.6kV, based on Abtech SX7 junction box, with 4 ways.

MV HV electrical Enclosures & Junction Boxes

3.3kV 6.6kV 11kV 33kV HIGH VOLTAGES

T&D produce customised HV Junction Boxes & Electrical Enclosures suitable for safe installation and distribution of MV-HV electrical power in hazardous area locations – enclosures and junction boxes can be specified and supplied for 3.3kV, 6.6kV, 11kV and 33kV high voltage power networks where Ex-certified HV electrical equipment is required in accordance with ATEX and IECEx hazardous area certification.