SINCE 1 9 1 1
MOVING-IRON MEASURING INSTRUMENTS
NW 72

Dimensions

48x48, 72x72, 96x96, 144x144mm

Measuring ranges
Direct current

Indirect current


Direct voltage

Indirect voltage
 


min. 0 - 40 mA, max. 0 - 60 A

Via current transformer, sec. 1 A or 5 A
Scaling acc. to primary current

min. 0 - 10 V, max. 0 - 600 V

Via voltage transformer, sec. 100 V
Scaling acc. to primary voltage

Accuracy

Class 1,5

External field

Shielding up to 4000 A/m

Fixing
 

Snap-on or via
screw clip

Moving-iron measuring instruments are used primarily in electrical power installations to measure alternating current and alternating voltage. They also display the r.m.s. value for non-sinusoidal variables in the frequency range between 15 and 100 Hz.

Data sheet (pdf-document)