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  4. N0538A

Switching amplifiers for Namur sensors

N0538A

NV1223/24VDC/OK/1D/1G

Switching amplifiers for Namur sensors N0538A
Switching amplifiers for Namur sensors N0538A
Switching amplifiers for Namur sensors N0538A
Switching amplifiers for Namur sensors N0538A
Switching amplifiers for Namur sensors N0538A
Switching amplifiers for Namur sensors N0538A

Switching amplifiers for Namur sensors

N0538A

NV1223/24VDC/OK/1D/1G

  • For the operation of intrinsically safe sensors in hazardous areas
  • Reliable short-circuit and wire-break monitoring
  • Easy programming of the output function
  • LED display to check operation, switching status and function
  • Quick and easy mounting on DIN rail
  • ce
  • ex
  • cul
Product characteristics
Number of inputs and outputs Number of digital outputs: 2
Application
Application short-circuit monitoring; Wire monitoring
Electrical data
Operating voltage tolerance [%] -15...25
Operating voltage [V] 24 DC
Current consumption [mA] < 50
Number of channels 2
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Outputs
Electrical design opto coupler; (bipolar; Voltage: max. 40 V DC)
Number of digital outputs 2
Max. voltage drop switching output DC [V] 3
Max. current load per output [mA] 100
Switching frequency DC [Hz] 5000
Short-circuit proof yes
Operating conditions
Ambient temperature [°C] -20...60
Protection IP 20
Tests / approvals
Approval FIDI 20 ATEX 0022X; IECEx FIDI 20.0003X
ATEX marking II 3 (1) G Ex nA [ia Ga] IIC T4 Gc
II (1) D [Ex ia Da] IIIC
I (M1) [Ex ia Ma] I
EMC
NE 21 (2012)
EN 61326-3-2 (2008)
MTTF [years] 317
Mechanical data
Weight [g] 195.9
Displays / operating elements
Display
switching status 2 x LED, yellow
operation LED, green
function 2 x LED, red
Remarks
Remarks
Caution The switching amplifier has to be mounted according to the requirements of the operating instructions
Free terminals must not be used.
Pack quantity 1 pcs.
Electrical connection
Connection terminals: ...2.5 mm²
Other data
Maximum values for control circuit
in protection rating intrinsic safety [Ex ia Ga] IIC [Ex ia Ga] IIB [Ex ia Ga] IIA [Ex ia Ma] I
Voltage [V] 10.5 10.5 10.5 10.5
Current [mA] 17.1 17.1 17.1 17.1
Power [mW] 45 45 45 45
External inductance [mH] 121.5 486.3 972.7 1000
or Lo/Ro [mH/Ω] 0.79 3.16 6.33 10.39
External capacitance [µF] 2.41 16.8 75 95
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — EN-GB — N0538A — 12.09.2023 —