Series details
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, the explosion proof enclosure matches the Ex d IIC T6 standards. The SK switch box series offer a ready to mount solution thanks to the integrated Namur mounting kit.
The ideal compact solution for the Oil and Gas, both onshore and offshore, and Petrochemical industries.
Features:
- Twin shaft design, ensuring a complete sealed device. The shaft is splitted in two parts, each fitted and sealed into the body and cover for the best weather insulation even during opening operation.
- Two cable entries, either metrics or imperial.
- Enhanced corrosion resistance thanks to the thick polyester powder coating on aluminum housings.
- Easy wiring through the terminal PCB board
- NOVA™ V3 switch option ensures extreme durability and high power switching capabilities
- Concentric flame path design providing a self-centering system aligning shafts for a precise engagement.
- Captive bolts on the screwed lid.
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Technical Data:
Materials:
- Die-cast aluminum body and cover with polyester powder coating
- Stainless steel fasteners and shafts
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Approvals:
ATEX, IECEx, EAC, CCOE, INMETRO, NEPSI:
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 Division1 Groups B,C,D Division2 Groups A,B,C,D
Class II Division1 Groups E,F,G Division2 Groups F,G
SIL certificate:
Up to SIL 3 certified by TUV
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:
Standard operating temperature -20°C +80°C Lower and higher temperature options available on request.
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