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Incremental unit R390 (R-390, R 390)
Custom device supplied to the narrow profile R390 wattmeter D390 and D390 and similar varmetram.
Technical characteristics of the devices additional devices R390:
Rated voltage of 100V, 127V, 220V, 380V;
Rated current of the device additional unit R390 - 5A or 1A;
Temperature - from -30 º C to +50 º C;
Relative humidity at 30 º C - 95%.
The dimensions of the auxiliary parts such as DU-DU-R390 and R391 - 160h80h83mm;
Weight - 1 kg;
MTBF unit incremental unit of at least R390 25000chasov. The average lifespan of at least 6 years.The device meets the specifications.

Photos R390

R390 (P390) front view.
R390 (P390) front view.
R390 (P390) side view.
R390 (P390) side view.
R390 (P390) rear view.
R390 (P390) rear view.