FLAME-PROOF CONNECTING BOX
TYPE OSL-2/120 > EEx d I/II A T6
> KDB 04 ATEX 003 X
is a separate component of power network fittings | |  General description
Flame-proof connecting box type OSL-2/120 is a separate component of power network fittings with a rated voltage up to 1000 V and is designed for: Connecting two mining portable power cables with two sets of working conductors (six working conductors) with auxiliary conductors, for a total of 13 conductors per cable maximum
Connecting one portable power cable with two sets of working conductors (six working conductors) with auxiliary conductors, for a total of 13 conductors per cable maximum, with two portable power cables (three working conductors each) with auxiliary conductors.
Usage conditions Flame-proof connecting box type OSL-2/120 marked  | IM2 , I2G | EExd I/II A T6 |
can be used in: Coal-mining plants, in methane fields with methane explosion hazard class “a”, “b” or “c”, and coal dust explosion hazard class “A” or “B” Outside rooms and areas classified as explosion hazard zones 1 and/or 2, where explosive mixtures of gasses and flammable vapours with air (explosion hazard group IIA, temperature classes T1, T6) can accumulate
Compliance with standards Flame-proof connecting boxes are manufactured in accordance with good engineering practice in terms of safety to meet requirements of the following standards: - PN-EN 50014:2002,
- PN-EN 50018: 2002/A1:2003
- harmonized with the EU Directive 94/9/ EU and the following standards:
- PN-G-50003; 2003,
- PN-G-42022:1998.
Spare parts - Terminal strip unit according to drawing 79.4019.01.5,
- Terminal strip according to drawing 79.4045.01.5,
- Flame-proof entry units with plug type WK-..
Interchangeability
The flame-proof connecting box type OSŁ-2/120 can be used in existing mining machine electrical systems in place of sets of connecting boxes type ZSŁ-120 with a verification mark ExdiI KDB No 96.444, IP54, and in place of a connecting box type OSŁ-2/120 with a verification mark EExdI/IIA T6 KDB No 02.300X, IP54 Order example: In your order, please specify product name, and type and number of cable entries type WK-…
Example: Connecting box OSŁ-2/120 with three entry units type WK-65 and one plug type WK-Z90 Dimensions 
Technical parameters
Basic technical parameters of connecting boxes type OSŁ-2/120: Main circuit rated voltage | 1000 V | Main circuit rated current /connections with two sets of working conductors/ I UI + I UII Main circuit rated current /connections with two sets of working conductors/ I UI or I UII | 380 A 280 A | Auxiliary circuit rated voltage | 24 V –AC; 60 V -DC | Rated frequency | 50 ¸ 60 Hz | Number and cross-sections of terminals: Working conductors Grounding conductors Auxiliary conductors (threaded connector type B 526M) | 12 x (35 ÷ 185) mm 2 4 x (16 ÷ 70) mm 2 (12+6) x 4 mm 2 | Cable outer diameter | 20 ¸ 80 mm | Protection level | IP-54 | Weight | ~ 45 kg |
| Usage | Equipment | Layout | For connecting two portable power cables with two sets of working conductors and auxiliary conductors | 2 x entry unit type WK-.. +2 x plug type WK-Z90 |  | For connecting one portable power cable with two sets of working conductors with two portable power cables with one set of working conductors (cables with auxiliary conductors) | 3 x entry unit type WK-.. +1 x plug type WK-Z90 |  |
 - pobierz certyfikaty - pobierz DTR
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