Ex-industries

Flameproof enclosures Ex 'd' IIB+H₂ Series EJB

The series EJB consists of a range of flameproof enclosures in light alloy or stainless steel which can be equiped with flameproof cable glands, operating elements, indicators and windows.

The internal electrical assembly, consisting of standard components and switching materials, will be executed according to the customers wishes. Frequent applications are measuring, monitoring, controlling, lightning, junction boxes, motor starters, etc.


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  Certifications ATEX: INERIS 14 ATEX 0056 X
IECEx: INE 14.0037 X
Ex TR CU: Scheduled for 2015
UL: Scheduled for 2015
Marking II 2 GD
Ex d IIB + Hydrogen T6/T5/T4 Gb
Ex tb IIIC T85°C/100°C/135°C Db IP66
II 2(1) GD
Ex d [ia Ga] IIB + Hydrogen T6 Gb
Ex tb [ia Da] IIIC T85°C Db IP66
Ambient temperature ATEX: -50°C ÷ +50°C
IECEx: -50°C ÷ +50°C
Material Copper free aluminium alloy (Cu<0.1%)
Stainless steel AISI 304 or AISI 316 L
Window glass Tempered glass
Fasteners Stainless steel A2 quality
Surface threatment RAL 9022 Epoxy coating (Standard)
Threaded entries Metric ISO-262, ANSI/AMSE B1.20.1 NPT, GK EN 10226-2*, G ISO-228
Accessories Breathing and draining devices
Internal anti-condensation coating RAL 2004
Off-shore special coating
Pushbuttons, pilot lights, mechanical operators
Flame arrestors
≡  Dimensions and weight
Enclosure External dimensions Internal dimensions Mounting dimensions Weight [kg]
A [mm] B [mm] C [mm] D [mm] E [mm] F [mm] G [mm] H [mm] I [mm]
EJB-01 310 250 220 244 184 153 235 276 7 12.9
EJB-02 425 255 243 355 185 170 346 276 7 19.7
EJB-03 485 305 269 413 233 198 395 376 9 26.6
EJB-04 488 413 279 400 325 204 380 476 9 39.7
EJB-05 540 475 292 444 379 212 410 476 9 51.7
EJB-06 640 370 298 542 272 220 515 376 9 46.5
EJB-07 600 510 308 500 410 225 470 516 13 63.8
EJB-08 810 460 352 710 360 257 670 516 13 89.9
EJB-09 840 615 433 724 499 339 705 656 14 151.8
EJB-10 940 650 445 820 530 345 808 656 14 189.7
≡  Drillings for cable entries
Enclosure Side M20x1.5
½” NPT
M25x1.5
¾” NPT
M32x1.5
1” NPT
M40x1.5
1¼” NPT
M50x1.5
1½” NPT
M63x1.5
2” NPT
M75x1.5
2½” NPT
M90x1.5
3” NPT
EJB-01 Long 14 8 5 3 2 1 1 1
Short 8 5 3 2 1 1 1 1
EJB-02 Long 17 12 10 5 3 3 2 2
Short 8 6 4 2 1 1 1 1
EJB-03 Long 30 20 11 8 5 3 2 2
Short 15 9 6 4 2 1 1 1
EJB-04 Long 32 21 12 8 5 3 2 2
Short 24 15 9 6 4 2 2 1
EJB-05 Long 36 21 12 10 6 3 3 2
Short 30 18 11 8 5 3 2 2
EJB-06 Long 44 27 20 12 9 4 3 3
Short 20 12 8 6 4 2 1 1
EJB-07 Long 42 24 15 10 7 4 3 2
Short 32 21 12 8 5 3 2 2
EJB-08 Long 60 36 29 16 12 7 5 4
Short 28 18 12 6 6 3 2 2
EJB-09 Long 96 60 38 24 17 10 8 5
Short 60 40 24 15 12 6 5 3
EJB-10 Long 105 70 42 27 15 12 8 5
Short 63 43 26 15 9 6 5 3
Min interax for entries [mm] 40 50 64 80 100 125 150 180
≡  Drillings for operators
Enclosure A [mm] B [mm] ½" BSP ¾" BSP 1" BSP
EJB-01 200 140 20 12 8
EJB-02 300 140 32 18 12
EJB-03 350 180 45 28 15
EJB-04 330 270 62 36 22
EJB-05 360 300 76 46 28
EJB-06 480 210 68 43 27
EJB-07 410 320 88 54 30
EJB-08 600 250 92 60 38
EJB-09 600 380 122 86 50
EJB-10 700 420 136 100 62
Min interax for entries [mm] - - 40 50 64
≡  Visualisation windows
Window A [mm] B [mm] C [mm] D [mm] E [mm]
F1 200 140 40 70 R10
F2 300 140 50 200 R0
F3 350 180 100 250 R0
F4 330 270 75 130 R0
F5 360 300 175 385 R0
≡  Internal mounting frames
Enclosure A [mm] B [mm]
EJB-01 225 165
EJB-02 335 165
EJB-03 380 200
EJB-04 364 289
EJB-05 400 335
EJB-06 516 246
EJB-07 468 378
EJB-08 656 306
EJB-09 670 445
EJB-10 760 465

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