The Rotork Soldo SK / SQ is a compact limit switch box for hazardous areas with the explosionproof protection method. The SK has a die-cast aluminium enclosure and the SQ a 316L stainless steel enclosure. It has a twin shaft design and is suitable for arctic environments.
| Models | SK: die-cast aluminium heavy duty body and cover / SQ: 316L stainless steel heavy duty enclosure (electro polish finishing) |
| Cable Entries | 2 entries: 1/2" NPT or M20 x 1.5 |
| Switch Options (Order Code) | 01: electromechanical SPDT, silver contacts / 03: electromechanical SPDT, gold contacts / 06: electromechanical SPDT, gold contacts / 1F: electromechanical DPDT, silver contacts / C4: magnetic reed SPDT, hermetically sealed / N1: magnetic proximity SPDT, silver contacts, hermetically sealed / N3: magnetic proximity SPDT, gold contacts, hermetically sealed / 70: inductive NAMUR proximity NJ2-V3-N, 2-wire / 73: inductive proximity NBB2-V3-E2, PNP NO / 75: inductive proximity IS5026, 2-wire, NO/NC |
| Position Indicator | 3D plastic visual position indicator (red and green) / 3D stainless steel position indicator |
| Mounting | Adjustable mounting kit for NAMUR actuators available on request (ordering code KN07) |
| Protection Rating | IP66 / IP68 (15 m for 100 hours) / NEMA 4 and 4X on request |
| Operating Temperature | Standard -40 to +80 °C (-40 to +176 °F) (the range differs for the inductive switches 70, 73 and 75) |
| Hazardous Area Approvals | ATEX, IECEx, EAC, CCOE, INMETRO: Ex II 2GD Ex db IIC T4/T5/T6 Gb, Ex tb IIIC T135/T100/T85°C Db / Ta: -55 °C ≤ Ta ≤ 105 °C / 80 °C / 60 °C |
| UL Approval (SK only) | Class I Division 1 Groups A, 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 TÜV |
| Approval Options (Order Code) | X: ATEX and IECEx certified box / G: EAC certification for Russian market / I: INMETRO certification for Brazilian market / N: NEPSI certification for Chinese market / J: CCOE certification for Indian market / U: UL certified box (only for SK series) / W: weather proof |
| Features | Twin shaft design / metallic self lubricant bushings / easy wiring through the terminal PCB board / suitable for arctic environments |