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

Product Overview

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.

Hazardous Area Certification

• 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.