Extract from the technical data sheet: Technical characteristics of SR.TFO.*
| Product Description |
|---|
| FO stainless steel junction boxes with reverse flange |
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Mechanical characteristics |
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|---|---|---|
| Case cover | completely removable | |
| Fastening the lid | A4 (V4A) stainless steel hexagon head screws | |
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Screws | M6 |
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Number | 4 |
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Tightening torque | 3 Nm - 3.5 Nm |
| Lid seal | silicone | |
| Degree of protection | IP66 | |
| Cable entry | through holes straight through the case | |
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Flange panel on the front side | optional |
| Material |
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Frame | 1.5 mm AISI 316L, (1.4404) stainless steel |
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Flange panel | additionally 3 mm or 6 mm stainless steel AISI 316L (1.4404) |
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End | matte |
| weight | see data table | |
| Dimensions | see data table | |
| Installation | 4 Wall mounting bracket included | |
| Grounding |
M6 Internal/External Earth Bolt, Brass, Nickel Plated Earth Bolt M6 stainless steel internal earth bolt welded to cover M6 internal ground bolt welded to the enclosure body |
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| Fiber optic splice tray |
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Number | see data table |
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Dimensions | 142 mm x 92 mm x 8 mm |
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Number of splice connections per tray | 12 |
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Connection type | Fusion with 60mm heat shrink protectors |
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Fiber optic splice protection holders for trays | 2 pcs. for heat shrinkable pads 60 mm, 6 pcs. each. |
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Fiber optic tray strain relief | optionally 2 per 12 fibers with 0.9 mm or 1.1 mm insulation |
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Fiber optic cables min. bending radius | 35 mm |
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Frequency range of fiber optic cables | 10...10000 MHz |
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Standards | DIN 47662 and telecommunication standards |
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Environmental conditions |
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| Ambient temperature |
-40 ... 55 °C (-40 ... 131 °F) -50°C (-58°F) on request |
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Data for use in hazardous areas |
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| EC Type Examination Certificate |
CML 20 ATEX 3156X BASEEFA 14 ATEX 0368U |
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Marking |
 II 2 GDEx op pr IIC T* Gb Ex tb IIIC T** °C Db T5/T95 °C at Ta +55 °C T6/T80 °C at Ta +40 °C |
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International certificates |
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| IECEx certification |
IECEx CML 20.0094X IECEx BAS 14.0169U |
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| UKCA approval | CML 21 UKEX 3892X | |
| Further statements | further upon request | |
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Correspondence |
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| Degree of protection | EN60529 | |
| CE marking | 0102 | |
| UKCA marking | 2503 | |