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N31U User manual
Auxiliary supply output
• Voltage output 10 V for selected measuring input type: potentiometer.
• Voltage output 24 V for selected input type: 0..10V, 0/4..20 mA.
• Maximum load capacity 24 mA.
• Output setting error 0.2% of setpoint.
Rated operating conditions
Protection grade ensured
Weight and dimensions
Electromagnetic compatibility
Safety requirements acc. to EN 61010-1
Supply voltage: terminals 17,18 85...253 V a.c. (40...400 Hz), 90...300 V d.c.
Supply voltage: terminals 16,17 40...85 V a.c. (40...400 Hz), 20...300 V d.c.
Power consumption < 3 VA
Working temperature -20...23...+60 ºC
Storage temperature -30...70 ºC
Humidity < 95% (no condensation)
Working position any
Pre-heating time 15 minutes
From the front IP65
From the terminals side IP10
Meter weight < 0,2 kg
Dimensions (see Fig. 3) 96 x 48 x 93 mm
Noise immunity: acc. to EN 61000-6-2
Noise emission: acc. to EN 61000-6-4
Circuit-to-circuit insulation: basic
Installation category: III
Pollution grade 2
Maximum phase-to-earth operating voltage: 300 V for the circuits: supply, alarm, measurement, auxiliary supply,
50 V for the circuits: RS-485 interface
Altitude a.s.l. < 2000 m
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