TCA_Compact_Temperature_switches_Riels - 2 Pages

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Catalog excerpts

Compact temperature switches explosionproof Execution Electric construction Degree of protection: IP65 (NEMA 4). - Dust-protected enclosure: Ex-tD A2I IP65T85 andTI 35 Electrical safety class: class I (EN61298-2:1997-06) Case and cover copper free aluminium alloy, threaded coupling with tam- per proof device. Epoxy exterior painting, grey colour Cable entry: 1/2-14 NPT-F (std) (see point 4). Terminal block: suitable for wires section 1,5 mm2 (minimum 0,5 mm2). Insulating material toVDE standard. Earthing screws: one Inside, one outside. Max section of earthing wires: 4 mm2. Electric contacts (See point 1.4) One micro, SPDT or DPDT, with fixed dead band. Vapor tension system to SAMA II C or II A, consisting of: - Connection AISI 304 compression fitting with adjustable nsertion length. - Capillary AISI 3 I 6 with stainless steel flexible armor Adjustable throughout the range. Repeatability: better than I % of span. Scale: the Instrument Is fitted as std. with an approximate scale of the set point Indication. - Remote at surface (std.) or 2" pipe (with optional bracket), sensors type Ambient temperature (operative limit1): Directive ATEX 94/9/EC Group II Category 2GD Annex lll + IV REMOTE (SENSORTYPE "C/Q/R") DIRECT (SENSORTYPE "B") Riels Instruments Sri . W +39 049 8961771 - A +39 049 7l7368

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Model code - Setting range - Pressure connection thread - Cable entry thread - Options if any - Versions. MODEL CODE Enclosure code Sensor code (D On instrument nameplate, data underlined only © Simultaneous action to within 2% of span. Scientific Apparatus Makers Association SETTING RANGES working range Proof temperature Classification of the thermal system. BULB CONNECTIONS CABLE ENTRY Helical bulb (ranges -15/+40°C & +10/+70°C) height between bulb/enclosure: Yean be varied up to Ymax. THE LENGTH K AVAILABLE WILL BE REDUCED accordingly.

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