Explosion-proof Junction box MAMX-07/08 series

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Explosion-proof Junction box MAMX-07/08 series

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Used in chemical, oil refining, oil exploitation, offshore oil platforms, oil tankers, military and other hazardous areas; Suitable for cable distribution when installing electrical appliances and lamps and especially when installing heat tracing systems and high-power electric heaters on site.

Beautiful appearance: Aluminum alloy enclosure with stainless steel exposed fasteners.

The various mounting types and cable entries are available as per customers requirements, such as hanging mounting and stand floor mounting.The cable entries can be suit for rubber cable, armored cable.


General Technical Parameters

Explosion protection

Gas explosion protection

Dust explosion protection

GB/IECExATEX

Ex db ⅡB + H2 T6...T4 Gb

Ex db ⅡC T6...T4 Gb

Ex tb ⅢC T80℃...T135℃ Db

Ⅱ2G Ex db ⅡB+H2 T6...T4 Gb

Ⅱ2G Ex db ⅡC T6...T4 Gb

Ⅱ2D Ex tb IIIC T80°C,T95°C,135°C,Db

Conformity to standards

GB:GB/T 3836.1-2021,GB/T 3836.2-2021,GB/T 3836.31-2021

IECEx:IEC 60079-0:2017,IEC 60079-1:2014-06,IEC 60079-31:2013

ATEX:EN IEC 60079-0:2018, EN IEC 60079-1:2014,EN IEC60079-31:2014

General power supply

Rated voltage: MAX.AC1250V 50/60Hz

Rated current:MAX.1500A

Degree of protection and anti-corrosion levelIP66、WF2
The material of exposed fastenerSS304/SS316 Stainless steel
Enclosure materialCopper-free Aluminum Alloy ZL102
Powder coated and colorElectrostatic powder coating ,MAM standard color is equal to dark grey RAL7090, light grey RAL 7035 is optional
Terminal brandsWeidmuller、Phoenix etc.
Cable entryArmored cable、Rubber cable
Specific parameters and selection

Standard thread comparison table

Standard thread versionThread size
ISO7-11/2”3/4”1”1 1/4”1 1/2”2”2 1/2”3”4”
ANSI B.20.1 NPT1/2”3/4”1”1 1/4”1 1/2”2”***
IS0 261/965M20X1.5M25X1.5M32X1.5M40X1.5M50X1.5M63X1.5M75X1.5M90X1.5M110X1.5

Reference table of holes in box

VersionDimension of outside appearance (A*B*C)Direction (U.L.D R)Thread size
1/2"3/4"1"1 1/4"1 1/2"2"2 1/2"3"4"
1/2"3/4"1"1 1/4"1 1/2"2"***
M20X1.5M25X1.5M32X1.5M40X1.5M50X1.5M63X1.5M75X1.5M90X1.5M110X1.5
01250*200*170U.D552211***
L.R873222***
02300*200*170U.D552211***
L.R1094332***
03350*200*170U.D552211***
L.R12106433***
04350*300*230U.D1064321***
L.R1285432***
05450*350*205U.D1074322***
L.R14115443***
06560*450*210U.D14115432***
L.R18157553***
07560*450*280U.D211810832221
L.R2724141053322
08720*560*350U.D3228181083322
L.R48402714125432
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