Introduction
Ex-d Boxes dfsdf
Serie GJB Explosion-proof boxes made of copper free Aluminum varies from terminal boxes to enclosure. They are equipped with pillar or strip terminals and assembly plate to distribute electricity in hazardous areas including zone 1, 2, 21 and 22. In addition, big sizes can be equipped with circuit breakers but without external access as a control panel to be able to find the fault more easily.
Cables enters to GJBs via explosion protected conduit or cable glands and unused drilled holes would be closed with protected stopping plugs.
Technical Data
Ex-d Light Alloy Boxes
| Marking acc. To 2014/34/EU | II 2 G Ex db IIC T4/ T5/ T6 Gb / II 2 D Ex tb IIIC T85°C / T100°C Db |
| EU-Type Examination Certificate | ECM 18 ATEX 2444 X |
| ATEX Certificate | ECM 19 ATEX-QS 6210 |
| Permissible ambient temperature | -20°C to +55°C |
| Rated Voltage (V) | 690 |
| Rated Current (max.) (A) | 40- 250 |
| Degree of Protection acc. to EN60529 | IP67 |
| Enclosure Material | Copper-free Aluminum |
| Enclosure Color | Natural Finish (optional painting) |
Ordering Details
| parameter | GJB1 | GJB2 | GJB3 | GJB4 | GJB5 |
| Power Dissipation (w) T6 | 8 | 16 | 30 | 57 | 82 |
| Power Dissipation (w) T5 | 14 | 21 | 36 | 68 | 121 |
| Power Dissipation (w) T4 | 28 | 42 | 56 | 125 | 246 |
| Rated Current (A) | 40 | 61 | 60 | 150 | 250 |
| weight kg | 1 | 2 | 3.5 | 7.5 | 17.5 |
Max. No. of Terminals
| parameter | GJB1 | GJB2 | GJB3 | GJB4 | GJB5 |
| 2-5 | 10 | 20 | 20 | 30 | 80 |
| 4 | 7 | 15 | 16 | 25 | 70 |
| 6 | - | 13 | 12 | 18 | 50 |
| 10 | - | 10 | 10 | 15 | 40 |
| 16 | - | - | 8 | 12 | 30 |
| 35 | - | - | - | 9 | 20 |
| 50 | - | - | - | 8 | 12 |
| 70 | - | - | - | 6 | 10 |
| 95 | - | - | - | - | 6 |
Max. Metric Entries Per Side
| parameter | GJB1 | GJB2 | GJB3 | GJB4 | GJB5 |
| m20 | 1 | 3 | 4 | 5 | 8 |
| m25 | 1 | 2 | 2 | 4 | 6 |
| m32 | - | 1 | 2 | 2 | 4 |
| m40 | - | - | 1 | 2 | 3 |
| m50 | - | - | 1 | 1 | 3 |
| m63 | - | - | - | 1 | 2 |
| m75 | - | - | - | - | 1 |
Max. NPT Entries Per Side
| parameter | GJB1 | GJB2 | GJB3 | GJB4 |
| 1-2 | 1 | 3 | 4 | 6 |
| 3-4 | 1 | 2 | 3 | 5 |
| 1 | - | 1 | 2 | 3 |
| 1-12 | - | - | 2 | 2 |
| 2 | - | - | - | 1 |
| 2-12 | - | - | - | - |
product code
| parameter | GJB3 | GJB4 | GJB5 |
| External A | 169 | 223 | 338 |
| External B | 169 | 223 | 338 |
| External C | 125 | 195 | 187 |
| Internal A | 137 | 180 | 300 |
| Internal B | 137 | 180 | 300 |
| Internal C | 76 | 142 | 110 |
| Mounting D | 234.4 | 142 | 375 |
| Mounting E | 7.5 | 1.5 | 11 |
Information
dimension
