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Ex-p Pressurized enclosures


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Ex p control unit FS850U - Technical Details

   Control unit FS850U
General Mounting Inside hazardous area
 Device group Class I, Division 1
 Ex-protection class Explosion proof with I.S. Outputs, Class I, Division 1,
Groups B, C, D, T6, Purged Type X
 Certificates UL E258617, FM 3030851
 Ambient temperature  -10°C ...+40°C at T6
-10°C ...+55°C at T4
 Humidity 5-95%, non-condensing
Housing Dimensions H x W x D: 10.51 inch x 5.24 inch x 4.33 inch, (267 mm x 133 mm x 110 mm)
 Housing material Aluminum, powder coated, RAL 7035
 Housing protection NEMA 4X / IP65
(Remark: without outlet drill)
 Purging gas in- and outlet "G1"" - inside thread"
Electrical specifications Mains [V] 120VAC, 48 ...62 Hz
+/- 10% voltage tolerance
 Power consumption About 2.5 VA (without peripherals)
 Potential free relay contacts
(clamps 11/12, 13/14)
 AC: max. 250V, 5A at cos (phi) > 0,7
DC: max. 30 V, 5 A, 150 W
 Ex i- control inputs (Terminal 1..10) Ex protection class: intrinsically safe, see declaration of conformity in UL certificate for further details
 Max. cable diameter 2,5 mm²
Pneumatics Pressure range 0 ... 7 inH2O (0 .. 1744 Pa)
extended pressure range on demand
 Flow range 0.14 bis zu 4.17 l/s, dependent on upon orifice plate size
 Air quality 

pressured air class 533 according to ISO 8573-1
= particle 40µm (class 5) / dew-point -20°C (class 3) / oil 1 mg/m³ (class 3)

according to the demands of the buid-in devices inside the cabinet, the air quality should be better
Ex p- configuration Parameter input Menu guided on LC-Display, several languages available: German, English, French, Dutch, Spanish
Please find futher information, bruchures, EC- type certificates, etc. on product-search
  last modified: 06.10.2011