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Switching amplifiers for Namur sensors

N0033A

NV1221/230VAC/RL/1D/1G

Switching amplifiers for Namur sensors

N0033A

NV1221/230VAC/RL/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
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PDF data sheet
3D PDF
  • ce
  • iec
  • tiis
Technical details
Application
Application short-circuit monitoring; Wire monitoring
Electrical data
Operating voltage tolerance [%] -10...10
Operating voltage [V] < 230 AC
Max. power consumption [VA] 1.3
Number of channels 2
Outputs
Electrical design relay; (per channel: 1 changeover contact)
Contact rating 253 V AC / 2 A / cos phi > 0,7 // 40 V DC / 2 A; (ohmic resistance)
Switching frequency AC [Hz] 10
Operating conditions
Ambient temperature [°C] -20...60
Protection IP 20
Tests / approvals
Approval PTB 02 ATEX 2035; TIIS TC16048; IECEx PTB 17.0023
ATEX marking II (1) G [Ex ia Ga] IIC
II (1) D [Ex ia Da] IIIC
EMC
EN 50081-2 (1993)
EN 61326-1 (2006)
MTTF [years] 458
Mechanical data
Weight [g] 212
Switching cycles mechanical 10 million
Displays / operating elements
Display
switching status 2 x LED, yellow
operation LED, green
function 2 x LED, red
Remarks
Remarks
Caution The control monitor must be mounted outside the hazardous area.
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 [EEx ia] IIC [EEx ia] IIB [EEx ib] IIC [EEx ib] IIB
Voltage [V] 10.6 10.6 10.6 10.6
Current [mA] 19.1 19.1 19.1 19.1
Power [mW] 51 51 51 51
External inductance [mH] 97 390 97 390
External capacitance [µF] 2.32 16.2 2.32 16.2
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — EN-GB — N0033A — 07.01.2014 —