Ex d Enclosures – Explosion Proof Hazardous Area Technor EJB Aluminium Enclosure
Ex d Enclosures
Junction Boxes & Enclosures Exd Flameproof Explosion Protection
Explosion Protection Group IIB + H2 Hazardous Areas
Technor EJB Aluminium Enclosure is an Ex d enclosure which offers Ex-d IIB or IIB+H2 mode of explosion protection – the flameproof enclosures are suitable for use in hazardous areas of industrial plants for indoor and outdoor applications.
Technor EJB enclosures are classified to international hazardous area classifications with ATEX, IECex and TRCU certification, with ingress protection IP65 to IP67 and an operational ambient temperature range of + 60°C to – 50°C.
Technor EJB enclosures can be equipped with the following hazardous area certified components:
- Pushbuttons ATEX
- Selector Switches
- Indicator Lamps
- Potentiometers
- Rotary Switches
- Tempered Windows
- Complete range of Enclosures & Junction Boxes Zone 1 & Zone 2 Hazardous Area
Ex d enclosures are used for the following typical applications: push button stations, instrument housing, lighting distribution panels, power distribution panels, motor protection and panels for trace heating systems.
Technor EJB Aluminium Enclosure – Technical Features
Enclosure Material | Aluminium with low content of copper |
IP Rating | IP65, IP66, IP67 with flanged joint coated with silicone grease |
Ambient Temperature Range | -50°C to +55°C -20°C to +55°C (IECEx Certificate) |
Hazardous Area Approvals | INERIS 00ATEX0021X GOST R IECEx INE 10.0015X INMETRO |
Surface Treatment | Green colour polyurethane painting cycle RAL6003 (other colour available upon request) |
Enclosure Entries | Metric pitch 1.5, ANSI B1.20.1 NPT, UNI-6125 |
Hardware & Screws | AISI316 Stainless steel external screws |
Standard Certificate Label | Made by self adhesive UV and corrosion resistant polyester, approved by INERIS Laboratory. |
Accessories Available Upon Request | Mounting brackets, Drain/breather valve, Hinges, Door handle, Internal anticondensate painting, Traffolyte/Stainless steel certificate label |
Technor EJB enclosures – Aluminium
The following table enables the correct specification and selection of Exd Flameproof Enclosures manufactured from aluminium from the Technor EJB range:
Technor Part Number | Exd Enclosure Dimensions | Weight (kg) | AA** | EE | |||||||||||||
A | B | C | D | E | F | G | H | I | L | M | N | ØP | R | ||||
EJB-2 | 298 | 238 | 174 | 230 | 168 | 95 | 135 | 205 | 140 | 250 | 280 | 9 | M6 | 20 | 10.07 | 12 | 160 X 220 |
EJB-3 | 412 | 238 | 177 | 340 | 167 | 85 | 136 | 330 | 150 | 250 | 280 | 9 | M8 | 20 | 13.40 | 18 | 155 X 330 |
EJB-3A | 412 | 238 | 199 | 340 | 167 | 85 | 158 | 330 | 150 | 250 | 280 | 9 | M8 | 20 | 13.50 | 9 | 155 X 330 |
EJB-4 | 418 | 302 | 175 | 335 | 220 | 90 | 132 | 300 | 190 | 300 | 320 | 9 | M8 | 20 | 17.50 | 20 | 210 X 325 |
EJB-5 | 480 | 300 | 232 | 392 | 209 | 125 | 182 | 350 | 185 | 300 | 320 | 9 | M8 | 20 | 20.50 | 22 | 200 X 385 |
EJB-6 | 483 | 408 | 238 | 387 | 310 | 130 | 186 | 355 | 280 | 390 | 420 | 9 | M8 | 20 | 33.00 | 28 | 300 X 380 |
EJB-8 | 634 | 365 | 254 | 530 | 262 | 140 | 204 | 495 | 225 | 340 | 370 | 9 | M8 | 20 | 36.05 | 36 | 250 X 520 |
EJB-9 | 535 | 468 | 257 | 426 | 363 | 140 | 204 | 410 | 340 | 440 | 470 | 12 | M10 | 20 | 40.00 | 34 | 350 X 420 |
EJB-10 | 750 | 366 | 292 | 630 | 250 | 185 | 234 | 580 | 205 | 330 | 360 | 12 | M10 | 20 | 48.50 | 34 | 240 X 620 |
EJB-11 | 596 | 505 | 267 | 483 | 394 | 130 | 204 | 445 | 360 | 480 | 510 | 12 | M10 | 20 | 53.30 | 44 | 380 X 470 |
EJB-12 | 805 | 455 | 310 | 690 | 335 | 170 | 243 | 640 | 285 | 425 | 450 | 12 | M12 | 20 | 73.00 | 54 | 325 X 625 |
EJB-13 | 832 | 607 | 314 | 723 | 500 | 115 | 236 | 630 | 405 | 580 | 620 | 12 | M12 | 20 | 106.00 | 76 | 463 X 683 |
EJB-13A | 832 | 607 | 400 | 723 | 500 | 205 | 322 | 630 | 405 | 580 | 620 | 12 | M12 | 20 | 124.00 | 76 | 463 X 683 |
HAZARDOUS AREA CERTIFICATION & MARKING FOR ex d ENCLOSURES
II 2 GD
- Ex-d IIB T(**) Gb or Ex-d IIB+H2 T(**) Gb
- Ex-tb IIIC T(**) Db IP65 or 66 or 67
- ** T6/T85°C, T5/T100°C, T4/T135°C, T3/T200°C
II 2(1) GD
- Ex-d [ia Ga] IIB T6 Gb or Ex-d [ia Ga] IIB+H2 T6 Gb
- Ex-tb [ia Da] IIIC T85°C Db IP65 or 66 or 67
II 2(2) GD
- Ex-d [ib] IIB T6 Gb or Ex-d [ib] IIB+H2 T6 Gb
- Ex-tb [ib] IIIC T85°C Db IP65 or 66 or 67
Under IEC Ex directive, junction boxes and enclosures are suitable for IIB group of gases/dusts only.
Flameproof Ex d & Hazardous Area Electrical Equipment Distributors
Contact Thorne & Derrick for an extensive range of hazardous area products for Electrical & Process Instrumentation applications: this includes flow meters, level sensors, solenoid valves, heat tracing cables and electrical heaters.