TEPEX Explosion Proof Control Unit SKX Series


Zone 1,2,21,22

● Enclosures made of glass-fibre reinforced polyester resin
● 7 basic enclosure sizes
● Alone or in various combinations of merged set
● Equipped with built-in devices
 Control devices
 Indicating lamps
 Pushbuttons
 Control switches
 Ammeters

TEPEX Explosion Proof Control units SKX 12 to 20

CONSTRUCTION

Enclosure: polyester plastic reinforced with glass fiber, color – black
Cover: with integrated thermoplastic elastomer gasket, closes with four M5/M6 stainless steel screws.

Apparatus category: II 2GD  IM2
Explosion protection: Ex db eb IIC T6 Gb
Ex db eb mb IIC T6 Gb
Ex eb IIC T6 Gb
Ex ia/ib IIC T6 Gb
Ex tb IIIC T80°C Db
Ex db eb I Mb
Ex db eb mb I Mb
Ex eb I Mb
Ex ia/ib/ I Mb
Enviroment temperature: -20ºC ≤ Ta ≤ +50ºC [ATEX]
-50ºC ≤ Ta ≤ +50ºC [EAC]
Degree of protection: IP66
Rated insulation voltage: 690 VAC
Rated current: Up to 16A (SKX 12-15)Up to 80A (SKX 16-20)

Control units SKX 16, SKX 18, SKX 20 are Ex combinations configured according to customer demand. Type designation consists of a basic type designation – SKX 16, SKX 18, SKX 20, “I” for enclosure made of SS AISI 316L and SRU number that represents the number of production and assigns to the increment.

Specification

Certificate: FIDI 19 ATEX 0051X , EAC RU C-HR.AB24.B.03291
Marking: CE0722
Apparatus category: II 2GD, IM2
Marking of explosion protection: Ex db eb IIC T6 Gb
Ex db eb mb IIC T6 Gb
Ex eb IIC T6 Gb
Ex ia/ib IIC T6 Gb
Ex tb IIIC T80°C Db
Ex db eb I Mb
Ex db eb mb I Mb
Ex eb I Mb
Ex ia/ib/ I Mb
Ambient temperature: -20ºC ≤ Ta ≤ +40ºC / +50ºC /+55ºC -50ºC ≤ Ta ≤ +50ºC
Degree of protection: IP 66 category 1
Resistance to shock: IK 08
Protection class : I (protective earthing)
Rated voltage: 630 V AC (with mantle terminals block SL5, SL8 Ui = 400V AC)
Thermal current Ithe : 16 A max. at Tamb -20°C ÷ +40°C 10 A max. at Tamb -20°C ÷ +50°C
PE terminals (inside of the
enclosure):
max. 2×4 mm2+2×2,5 mm2 , 3×4 mm2 , 2×6 mm2
With screw kit through the housing holes 6 mm at the peaks the rectangle:
SKX 12: 75 x 50 mm
SKX 13: 75 x 100 mm
SKX 14: 75 x 150 mm
SKX 15/15H: 125 x 150 mm

Download

Explosion Proof Control units SKX 12 to 15 Datasheet

Explosion Proof Control units SKX 16 to 20 Datasheet

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