Ifm – SR2301

Control monitor for flow sensors; Frequency AC [Hz] : 47...63; Operating voltage tolerance [%] : -15...10; Operating voltage [V] : 90...240 AC; Max. power consumption [VA] : 3.5; Protection class : II; Reverse polarity protection : no; Power-on delay time [s] : 10; Number of channels : 1; Electrical design : relay; Contact rating : 3 A (250 V AC / 30 V DC); (switching cycles at 3 A load: 100.000; type of switch-off: normally open); Switching cycles (mechanical) : 20_Millionen; Switching function flow monitoring : output switches when flow is present: ON for output function = normally open / OFF for output function = normally closed; Short-circuit protection : no; Overload protection : no; Adjustment of the switch point : pushbutton; Ambient temperature [°C] : -20...60; Materials : stainless steel (1.4404 / 316L); stainless steel (1.4301 / 304); PC; PBT-GF20; EPDM/X; brass

Control monitor for flow sensors; Operating voltage [V] : 19...36 DC; Protection class : III; Reverse polarity protection : yes; Power-on delay time [s] : 10; Number of channels : 1; Electrical design : PNP; Max. voltage drop switching output DC [V] : 2.5; Permanent current rating of switching output DC [mA] : 250; Switching function flow monitoring : output switches when flow is present: ON for output function = normally open / OFF for output function = normally closed; Short-circuit protection : yes; Overload protection : yes; Adjustment of the switch point : pushbutton; Ambient temperature [°C] : -20...60; Materials : stainless steel (1.4404 / 316L); stainless steel (1.4301 / 304); PC; PBT-GF20; EPDM/X; brass

Control monitor for flow sensors; Operating voltage tolerance [%] : -15...15; Operating voltage [V] : 24 DC; Reverse polarity protection : no; Power-on delay time [s] : 10; Number of channels : 1; Performance in case of a fault : Relay de-energised in case of the following faults: wire break, reverse polarity or short circuit of the sensor cable, undervoltage, internal fault; Electrical design : relay; Contact rating : 4 A (250 V AC cos phi > 0,7) ; 0,2 A (250 V DC); 4 A (24 V DC); Switching function flow monitoring : relay energised when flow is present; Switching function temperature monitoring : relay de-energised when temperature is exceeded; Short-circuit proof : no; Overload protection : no; Adjustment of the switch point : programming buttons; Ambient temperature [°C] : -20...60; Storage temperature [°C] : -25...80; Protection rating terminals : IP 20; Housing : housing for DIN rail mounting; Materials : PA

Control monitor for flow sensors; Frequency AC [Hz] : 47...63; Operating voltage tolerance [%] : -5...10; Operating voltage [V] : 90...240 AC; Max. power consumption [VA] : 4; Protection class : II; Reverse polarity protection : no; Power-on delay time [s] : 10...80; (adjustable (fixed-value resistors terminals 22-23)); Number of channels : 1; Performance in case of a fault : In case of undervoltage all relays are de-energised; the LED "LOW VOLTAGE/WIRE BREAK-RELAY" lights; Electrical design : relay; Contact rating : 4 A (250 V AC / 30 V DC); Switching function flow monitoring : relay energised when flow is present and during the power-on delay time; Switching function temperature monitoring : relay energised when temperature is exceeded; Switching function wire break monitoring : relay de-energised in case of wire break or short circuit; Short-circuit proof : no; Overload protection : no; Response time [s] : < 3; Adjustment of the switch point : potentiometer; Selection liquids / gases : wire bridge; on delivery: monitoring of liquids.; for monitoring of gases: link terminals 23 / 24.; Switch point setting : potentiometer; Temperature range [°C] : 0...80; Repeatability of the set switch point [K] : 4; Ambient temperature [°C] : -20...60; Note on ambient temperature : in case of sufficient free space for convection cooling; Housing : housing for DIN rail mounting; Materials : PBT

Control monitor for flow sensors; Frequency AC [Hz] : 47...63; Operating voltage tolerance [%] : -5...10; Operating voltage [V] : 90...240 AC; Max. power consumption [VA] : 4; Protection class : II; Reverse polarity protection : no; Power-on delay time [s] : 10...80; (adjustable (fixed-value resistors terminals 22-23)); Number of channels : 1; Performance in case of a fault : In case of undervoltage all relays are de-energised; the LED "LOW VOLTAGE/WIRE BREAK-RELAY" lights; Electrical design : relay; Contact rating : 4 A (250 V AC / 30 V DC); Switching function flow monitoring : relay energised when flow is present and during the power-on delay time; Switching function temperature monitoring : relay de-energised when temperature is exceeded; Switching function wire break monitoring : relay de-energised in case of wire break or short circuit; Short-circuit proof : no; Overload protection : no; Response time [s] : < 3; Adjustment of the switch point : potentiometer; Selection liquids / gases : wire bridge; on delivery: monitoring of liquids.; for monitoring of gases: link terminals 23 / 24.; Switch point setting : potentiometer; Temperature range [°C] : 40...120; Repeatability of the set switch point [K] : 4; Ambient temperature [°C] : -20...60; Note on ambient temperature : in case of sufficient free space for convection cooling; Housing : housing for DIN rail mounting; Materials : PBT

Control monitor for flow sensors; Operating voltage tolerance [%] : -10...10; Operating voltage [V] : 24 DC; Protection class : III; Reverse polarity protection : no; Power-on delay time [s] : 10...80; (adjustable (fixed-value resistors terminals 22-23)); Number of channels : 1; Performance in case of a fault : In case of undervoltage all relays are de-energised; the LED "LOW VOLTAGE/WIRE BREAK-RELAY" lights; Electrical design : relay; Contact rating : 4 A (250 V AC / 30 V DC); Switching function flow monitoring : relay energised when flow is present and during the power-on delay time; Switching function temperature monitoring : relay de-energised when temperature is exceeded; Switching function wire break monitoring : relay de-energised in case of wire break or short circuit; Short-circuit proof : no; Overload protection : no; Response time [s] : < 3; Adjustment of the switch point : potentiometer; Selection liquids / gases : wire bridge; on delivery: monitoring of liquids.; for monitoring of gases: link terminals 23 / 24.; Switch point setting : potentiometer; Temperature range [°C] : 0...80; Repeatability of the set switch point [K] : 4; Ambient temperature [°C] : -20...60; Note on ambient temperature : in case of sufficient free space for convection cooling; Housing : housing for DIN rail mounting; Materials : PBT

Control monitor for flow sensors; Frequency AC [Hz] : 47...63; Operating voltage tolerance [%] : -10...10; Operating voltage [V] : 0,7) ; 0,2 A (250 V DC); 4 A (24 V DC); Switching function flow monitoring : relay energised when flow is present; Switching function wire break monitoring : relay de-energised in case of wire break; Short-circuit proof : no; Overload protection : no; Adjustment of the switch point : potentiometer; Selection liquids / gases : slide switch; Ambient temperature [°C] : -20...60; Storage temperature [°C] : -20...85; Protection rating terminals : IP 20; Housing : housing for DIN rail mounting; Materials : plastics

Control monitor for flow sensors; Frequency AC [Hz] : 47...63; Operating voltage tolerance [%] : -10...10; Operating voltage [V] : 0,7) ; 0,2 A (250 V DC); 4 A (24 V DC); Switching function flow monitoring : relay energised when flow is present; Switching function wire break monitoring : relay de-energised in case of wire break; Short-circuit proof : no; Overload protection : no; Adjustment of the switch point : potentiometer; Selection liquids / gases : slide switch; Ambient temperature [°C] : -20...60; Storage temperature [°C] : -20...85; Protection rating terminals : IP 20; Housing : housing for DIN rail mounting; Materials : plastics

Control monitor for flow sensors; Frequency AC [Hz] : 47...63; Operating voltage tolerance [%] : -10...10; Operating voltage [V] : 0,7) ; 0,2 A (250 V DC); 4 A (24 V DC); Switching function flow monitoring : relay energised when flow is present; Switching function wire break monitoring : relay de-energised in case of wire break; Short-circuit proof : no; Overload protection : no; Adjustment of the switch point : potentiometer; Selection liquids / gases : slide switch; Ambient temperature [°C] : -20...60; Storage temperature [°C] : -20...85; Protection rating terminals : IP 20; Housing : housing for DIN rail mounting; Materials : plastics

Control monitor for flow sensors; Frequency AC [Hz] : 47...63; Operating voltage tolerance [%] : -10...10; Operating voltage [V] : 0,7) ; 0,2 A (250 V DC); 4 A (24 V DC); Switching function flow monitoring : relay energised when flow is present; Switching function wire break monitoring : relay de-energised in case of wire break; Short-circuit proof : no; Overload protection : no; Adjustment of the switch point : potentiometer; Selection liquids / gases : slide switch; Ambient temperature [°C] : -20...60; Protection rating terminals : IP 20; Housing : housing for DIN rail mounting; Materials : plastics

Control monitor for flow sensors; Operating voltage tolerance [%] : -20...10; Operating voltage [V] : 24 DC; Protection class : III; Reverse polarity protection : no; Power-on delay time [s] : 10...80; (adjustable (fixed-value resistors terminals 22-23)); Number of channels : 1; Performance in case of a fault : In case of undervoltage all relays are de-energised; the LED "LOW VOLTAGE/WIRE BREAK-RELAY" lights; Electrical design : relay; Contact rating : 4 A (250 V AC / 30 V DC); Switching function flow monitoring : relay energised when flow is present and during the power-on delay time; Switching function temperature monitoring : relay energised when temperature is exceeded; Switching function wire break monitoring : relay de-energised in case of wire break or short circuit; Short-circuit proof : no; Overload protection : no; Response time [s] : < 3; Adjustment of the switch point : potentiometer; Selection liquids / gases : wire bridge; on delivery: monitoring of liquids.; for monitoring of gases: link terminals 23 / 24.; Switch point setting : potentiometer; Temperature range [°C] : 0...80; Repeatability of the set switch point [K] : 4; Ambient temperature [°C] : -20...60; Note on ambient temperature : in case of sufficient free space for convection cooling; Housing : housing for DIN rail mounting; Materials : PBT

Control monitor for flow sensors; Operating voltage tolerance [%] : -10...10; Operating voltage [V] : 24 DC; Reverse polarity protection : yes; Power-on delay time [s] : < 20; Number of channels : 1; Electrical design : PNP; Permanent current rating of switching output DC [mA] : 400; Switching function flow monitoring : output switches ON when flow is present; Switching function wire break monitoring : output switches OFF in case of wire break; Short-circuit protection : yes; Type of short-circuit protection : pulsed; Overload protection : yes; Adjustment of the switch point : potentiometer; Ambient temperature [°C] : 0...60; Protection rating terminals : IP 20; Housing : housing for DIN rail mounting; Materials : plastics