CIRCUTOR MK-363-B Series - Manual (Page 7)

-- MKB-363-M ELECTRONIC METERS -- M-981198 -- Page Nº 7
3.1.- Installation
(a) Power supply is taken from own phases L1-L3 :
at 230 V ac ±20% (code 771 053)
or at 400 V ac ( code 771 054)
see MKB-363-M voltage power supply !
(b) Current input of 63 A ac (maximum current 90 A ac)
Build-in
current transformer (only phases L1 and L3)
(c) Frequency
: 45..65 Hz
(d) Instrument burden : 2 W / 4 VA
(e) Operation conditions:
Designed for inner uses according to EN-61036
- Operating temperature : -10 ºC/ +45 ºC
- Humidity : 25 to 75% R.H. non-condensing
(f) Safety
:
Designed to meet protection class II as per EN 61010