Compact limit switch box, designed for hazardous areas, provides a visual and electrical remote position feedback on automated valves. Available in either die cast aluminum or 316L stainless steel, the explosionproof enclosure matches the Exd IIC T6 standards. The SK - SQ switch box series offer a ready to mount solution thanks to the integrated Namur mounting kit. The ideal compact solution for oil and gas, both on-shore and off-shore, and petrochemical industries.
Captive bolts on the screwed lid
Technical Data:
Materials
.
Copper free aluminum body and cover with polyester
powder coating
.
AISI 316 Stainless steel body and cover with electro
polished
finishing
.
Stainless steel fasteners and shafts
Approvals
ATEX, IECEx, EAC, CCOE, INMETRO
Ex II 2GD Ex d IIC T4/T5/T6 Gb
Ex tb IIIC T135/T100/T85?C Db
Ta: -55 ?C ≤ Ta ≤ 105 ?C / 80 ?C / 60 ?C
UL:
Class I Division 1 Groups B, C, D Division 2 Groups A, B, C, D
Class II Division 1 Groups E, F, G Division 2 Groups F, G
SIL certificate:
Up to SIL 3 certified by T躒
Protection rating:
IP 66 / 67
IP 66 / 68 up to 15 meters for 100 hours
Cable entries options:
Two cable entry M20 or 1/2” NPT
Temperature:
-20 ?C +80 ?C as standard temperature range
(depending on switch selection)
-55 ?C +105 ?C available on request