CIRCUTOR OPTIM-EMS-C Series - Manual (Page 24)

6.- TECHNICAL FEATURES
Electrical features
Working voltage and nominal frequency Un / fn, listed on the label
Design voltage Un+ 10% (440 V for 400V units)
Nominal power and distribution of steps Qn and composition, (see label)
Total losses Typical 1 W/kvar
Residual discharge voltage 75 V after 3 minutes
Overload capacity 1.3 in all the elements
Auxiliary voltage Uaux, listed on the label.
Current Transformer
Secondary winding 5 A, (Transformer In/5 A)
NOTE: Minimum cable section of 2.5 mm 2 .
Protections
Fuses
Three-pole circuit breaker by stage, C curve.
Idc= 6 kA / 400 V
Capacitor features
Capacity tolerance ± 10%
Insulation level from earth 3 kV /50 Hz
Impulse test 15 kV , ray-type wave 1.2/50 µs
Protections Internal fuses and over-pressure system
In accordance with Standards UNE EN 60831
Environmental features
Maximum temperature of capacitors
Category D in accordance with EN 60831-1
Maximum during 1 h. 24 h average Annual mean
55 ºC 45 ºC 35 ºC
Cabinet ventilation
Natural for external temp. ≤ 40 ºC.
For external temp. of > 40 ºC the room where the capacitor
is installed must be cooled
Maximum relative humidity 80%
Maximum altitude 1000 m
Protection degree Marked on the label
Mechanical features
Dimensions 545 x 710 x 220 mm
Maximum Weight 41 Kg.
Paint Epoxy type, oven-dried
Standard colours RAL 7035 Grey; RAL 3005 Maroon
Standards
Power capacitors. Low voltage power factor correction capacitor banks. UNE-EN 61921:2004
Industrial alternating current networks affected by harmonics. Use of
filters and shunt capacitors.
UNE-EN 61642:2000
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OPTIM EMS-C series
Instruction Manual