Circutor OPTIM-EMS-C Series Manuale Utente Scaricare il pdf (Pagina 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

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

lters and shunt capacitors.

UNE-EN 61642:2000

OPTIM EMS-C series

Instruction Manual

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Circutor OPTIM-EMS-C Series Manuale Utente Pagina 24

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