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Last Updates: 07/09/2020

Bourdon RTNEx4 Temperature Switch

CASING
Protection rating (EN 60529)
  • IP66
Cover
  • Epoxy painted, Aluminium
  • Captive stainless steel screws
Mounting
  • Wall mounting, 3 back lugs
Scale
  • Internal, accuracy on reading ± 5 % FS
Bulb
  • Stainless steel 1.4404 / AISI 316L
Capillary
  • Stainless steel 1.4404 / AISI 316L
  • For types of protection see ordering details
Case material
  • Epoxy painted, Aluminium
TEMPERATURE
Ambient temperature
  • -30°C … +55°C
Storage temperature
  • -40°C … +55°C
Media temperature
  • -46°C … +270°C
WETTED PARTS
Process connection material
  • Stainless steel 1.4404 / AISI 316L
PERFORMANCE
Min. temperature range
  • -46°C … +0°C
Max. temperature range
  • +200°C … +270°C
Repeatability
  • -200 °C … -51 °C ± 0.6 °C ± 1 digit
  • ± 1 % FS
ELECTRICAL DATA
Electrical connection
  • Via internal terminal block with metallic cable gland for Ø 7 to 12 mm
CE conformity
  • Low Voltage Directive 2014/35/UE
Ground connection
  • Via internal terminal block
Adjustment
  • 2 external adjustment screws on top of the case for set point and deadband

Datasheet: RTNEx4 Datasheet
Operating Instruction: RTNEx4 Operating Instruction

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