crown extra lighting co. ltd
| Payment Terms | T/T, Western Union |
| Supply Ability | 100000PCS PER MONTH |
| Delivery Time | 5-7 WORK DAYS |
| Packaging Details | 40*40*40CM CTN |
| Name | IP68 220V Ex Proof Junction Box Stainless Steel Explosion Proof EXD Junction Box |
| Input voltage(v) | AC220V, 50Hz |
| Current | 21A |
| Ip rating | IP68 |
| Item type | Ex Proof Junction Box |
| Fireproof grade | WF1 |
| Material | Aluminum Alloy, Stainless Steel |
| Ex Marking | Ex d IIC T6 Gb, Ex tD A21 IP65 T80℃ |
| Conduit Entries | G1/2" G3/4" G1" G2" |
| Ex-mark | IIB, IIC |
| Ambient temperature | –25°C~+60°C |
| Brand Name | CROWN EXTRA |
| Model Number | AH-Ex Proof Junction Box |
| Certification | CE,RoHS,CCC,ATEX |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 100000PCS PER MONTH |
| Delivery Time | 5-7 WORK DAYS | Packaging Details | 40*40*40CM CTN |
| Name | IP68 220V Ex Proof Junction Box Stainless Steel Explosion Proof EXD Junction Box | Input voltage(v) | AC220V, 50Hz |
| Current | 21A | Ip rating | IP68 |
| Item type | Ex Proof Junction Box | Fireproof grade | WF1 |
| Material | Aluminum Alloy, Stainless Steel | Ex Marking | Ex d IIC T6 Gb, Ex tD A21 IP65 T80℃ |
| Conduit Entries | G1/2" G3/4" G1" G2" | Ex-mark | IIB, IIC |
| Ambient temperature | –25°C~+60°C | Brand Name | CROWN EXTRA |
| Model Number | AH-Ex Proof Junction Box | Certification | CE,RoHS,CCC,ATEX |
| Place of Origin | CHINA | ||
| High Light | IP68 220V Ex Proof Junction Box ，IP68 220V Exd Junction Box Stainless Steel ，IP68 220V explosion proof j box | ||
IP68 220V Ex Proof Junction Box Stainless Steel Explosion Proof EXD Junction Box
Explosion Proof Junction Box Details
1. Explosion-proof junction box is a die-cast aluminum alloy shell, the surface is sprayed with pure epoxy powder, and the exposed fasteners are stainless steel, which can meet the anti-corrosion requirements of the chemical, petrochemical and offshore industries. It is suitable for IIA, IIB, IIC explosive gas atmosphere in zone 1, zone 2 and combustible dust environment in zone 20, 21 and 22.
2. Division of hazardous areas in explosive gas environments
Zone 0: An environment where explosive gas mixtures occur continuously or for a long time.
Zone 1: An environment where explosive gas mixtures may occur during normal operation.
Zone 2: An environment where explosive gas mixtures are unlikely to occur during normal operation or where explosive gas mixtures only exist for a short time even if they occur.
3. Explosion-proof electrical equipment is divided into two categories:
Class Ⅰ electrical equipment used in underground coal mines
Class II electrical equipment used in occasions other than mines
Class Ⅱ electrical equipment is divided into three categories: ⅡA, ⅡB, and ⅡC according to the safety gap or minimum ignition current ratio applicable to the test of explosive gas mixtures; and according to its surface temperature, it is divided into six groups T1-T6.
4. Explosive gas mixtures are grouped by ignition temperature, see Table 1.
5. Explosive gas mixtures are classified according to their test safety gap (MESG) or minimum ignition current ratio (MICR)
| Outline | Code | Description |
| Horzontel cover | A | 1 entry in horizon |
| B | 2 direct entries in horizon | |
| C | 3 entries in horizon | |
| D | 4 entries in horizon| | |
| E | 2 perpendicular entries in horizon | |
| Hung cover | F | 1 entry in horizon |
| G | 2 direct entries in horizon | |
| H | 3 entries in horizon | |
| I | 4 entries in horizon | |
| J | 2 perpendicular entries in horizon |
Company Details
Business Type:
Manufacturer
Year Established:
2011
Total Annual:
20000000-2500000
Employee Number:
85~99
Ecer Certification：
Verified Supplier
CROWN EXTRA LIGHTING CO., Ltd. is a comprehensive enterprise integrating R&D, production, sales and service in explosion proof product field.. we are committed to become a green, environmental protection, energy saving, leading industrial lighting solutions provider, for petro... CROWN EXTRA LIGHTING CO., Ltd. is a comprehensive enterprise integrating R&D, production, sales and service in explosion proof product field.. we are committed to become a green, environmental protection, energy saving, leading industrial lighting solutions provider, for petro...
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