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Introduction Technical Data Information

Junction Box

Explosion Proof Industrial Equipment
>
explosion_proof_junction_box

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
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