Shenhai Explosion-Proof
『Click here to download the product PDF: Explosion-Proof Junction Box JX』
Model Meaning
Implementation Standard
GB/T3836.1、GB/T3836.2、GB/T3836.3、GB/T3836.31、IEC60079-0、IEC60079-1、IEC60079-7、IEC60079-31
Technical Parameter
| Model Specifications | Rated Voltage (V) | Rated Current (A) | Explosion-Proof Marking | Cable Entry Thread | Cable Outer Diameter | Protection Rating | Corrosion Resistance Rating |
|---|---|---|---|---|---|---|---|
| BJX | AC 690V,660V,440V,400V,380V, 230V,220V,110V,48V,36V,24V,12V DC 220V,110V,48V,36V,24V,12V | In≤630 | Ex db IIB T6 Gb, Ex tb IIIC T80°C Db | G1/2"~G4" | Φ7~Φ80mm | IP66 | WF1 WF2* |
| CJX | In≤630 | Ex db IIC T6 Gb, Ex tb IIIC T80°C Db |
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| EJX | In≤63 | Ex db IIB T6 Gb, Ex tb IIIC T80°C Db |
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| 63＜In≤100 | Ex db IIB T5 Gb, Ex tb IIIC T95°C Db |
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| 100＜In≤630 | Ex db IIB T4 Gb, Ex tb IIIC T130°C Db |
Product Features
1. The enclosure is constructed from die-cast aluminum alloy or welded steel plate (stainless steel), undergoes high-speed shot blasting, and features a high-pressure electrostatic powder coating finish for corrosion resistance and aging resistance;
2. Exposed fasteners are stainless steel for superior corrosion resistance;
3. Multiple configurations and specifications are available for cable entry/exit ports;
4. Threaded cable entry/exit ports can be custom-made to specifications, including metric threads, NPT threads, and other forms.
Selection Chart BJX
| Enclosure Specifications | Terminal Specifications Quantity UK3N | Cable Entry Direction | Maximum Number of Cable Entries/Exits | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M20× 1.5 NPT1/2 | M25× 1.5 NPT3/4 | M30× 1.5 NPT1 | M40× 1.5 NPT1 1/4 | M50× 1.5 NPT1 1/2 | M63× 1.5 NPT2 | M75× 1.5 NPT2 1/2 | M90× 1.5 NPT3 |
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 | 12 | D/X | 3 | 3 | 2 | — | — | — | — | — |
| L/R | 2 | 2 | 2 | — | — | — | — | — | ||
 | 24 | D/X | 10 | 4 | 3 | 3 | 2 | — | — | — |
| L/R | 3 | 3 | 2 | 2 | 2 | — | — | — | ||
 | 40 | D/X | 10 | 6 | 5 | 4 | 3 | — | — | — |
| L/R | 5 | 3 | 2 | 2 | 2 | — | — | — | ||
 | 55 | D/X | 16 | 14 | 9 | 5 | 4 | 4 | 3 | — |
| L/R | 10 | 10 | 6 | 4 | 3 | 2 | 2 | — | ||
 | 110 | D/X | 16 | 14 | 9 | 5 | 4 | 4 | 3 | — |
| L/R | 16 | 14 | 9 | 5 | 4 | 4 | 3 | — | ||
 | 150 | D/X | 48 | 28 | 24 | 14 | 11 | 8 | 6 | 3 |
| L/R | 20 | 18 | 15 | 9 | 8 | 6 | 4 | 2 | ||
Selection Chart CJX
| Enclosure Specifications | Terminal Specifications Quantity UK3N | Cable Entry Direction | Maximum Number of Cable Entries/Exits | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M20× 1.5 NPT1/2 | M25× 1.5 NPT3/4 | M30× 1.5 NPT1 | M40× 1.5 NPT1 1/4 | M50× 1.5 NPT1 1/2 | M63× 1.5 NPT2 | M75× 1.5 NPT2 1/2 | M90× 1.5 NPT3 |
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 | 24 | D/X | 9 | 8 | 5 | 3 | 3 | 2 | — | — |
| L/R | 9 | 8 | 5 | 3 | 3 | 2 | — | — | ||
 | 90 | D/X | 30 | 21 | 21 | 15 | 10 | 8 | 3 | 3 |
| L/R | 22 | 15 | 15 | 10 | 8 | 6 | 2 | 2 | ||
 | 140 | D/X | 65 | 48 | 44 | 4 | 3 | — | 10 | 4 |
| L/R | 45 | 32 | 28 | 18 | 15 | 8 | 6 | 3 | ||
Selection Chart EJX
| Enclosure Specifications | Terminal Specifications Quantity UK3N | Cable Entry Direction | Maximum Number of Cable Entries/Exits | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| M20× 1.5 NPT1/2 | M25× 1.5 NPT3/4 | M30× 1.5 NPT1 | M40× 1.5 NPT1 1/4 | M50× 1.5 NPT1 1/2 | M63× 1.5 NPT2 | M75× 1.5 NPT2 1/2 | M90× 1.5 NPT3 |
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 | 20 | D/X | 6 | 4 | 3 | 2 | 1 | — | — | — |
| L/R | 4 | 2 | 2 | 1 | 1 | — | — | — | ||
 | 21 | D/X | 6 | 4 | 3 | 2 | 2 | 1 | — | — |
| L/R | 6 | 4 | 3 | 2 | 2 | 1 | — | — | ||
 | 48 | D/X | 12 | 10 | 7 | 4 | 3 | 3 | 2 | 2 |
| L/R | 8 | 6 | 4 | 2 | 2 | 1 | 1 | 1 | ||
 | 96 | D/X | 12 | 10 | 7 | 4 | 3 | 3 | 2 | 2 |
| L/R | 12 | 10 | 7 | 4 | 3 | 3 | 2 | 2 | ||
 | 140 | D/X | 20 | 17 | 14 | 7 | 6 | 4 | 3 | 3 |
| L/R | 12 | 11 | 8 | 5 | 4 | 3 | 2 | 2 | ||
 | 180 | D/X | 44 | 35 | 24 | 17 | 12 | 9 | 7 | 3 |
| L/R | 36 | 27 | 21 | 12 | 10 | 8 | 5 | 3 | ||
Applicable Scope
1. Suitable for Zone 1 and Zone 2 locations in explosive gas environments;
2. Suitable for Class IIA, IIB, and IIC explosive gas environments;
3. Suitable for Zone 21 and Zone 22 locations in explosive dust environments;
4. Suitable for Class IIIA, IIIB, and IIC explosive dust environments;
5. Suitable for temperature classes T1 to T6;
6. Suitable for use in hazardous environments such as petroleum extraction, refining, chemical processing, military applications, offshore oil platforms, oil tankers, and metal fabrication for connecting wires and cables.
