Film Capacitors – Power Factor Correction
PoleCap capacitor
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MKP400-D-3-P
B25671A4032A000
November 2009
2
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FK PC PM PFC
November 2009
2
Film Capacitors – Power Factor Correction
PoleCap capacitor
B25671A4032A000
MKP400-D-3-P
EPCOS AG 2009. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited
Film Capacitors – Power Factor Correction
PoleCap capacitor
B25671A4032A000
MKP400-D-3-P
Construction
Dielectric: Polypropylene film
Gas impregnated / dry type
Extruded round aluminum can with stud
Provided with ceramic discharge module
Triple safety system
Features
Three-phase, delta connected
Self-healing technology
Naturally air cooled
Outdoor mounting
Ambient
Highest insulation strength for outdoor applications
(to IEC60831, 15 kV)
Terminal cover, cable gland and connection cable
made of material resistant to weather, UV radiation
and aging
Cable UV-resistant
Housing of pure aluminum (corrosion-free operation)
Double housing of terminals for protection against
hazardous parts, ingress of solid foreign bodies,
dust and harmful effects of water
Technical data and specifications
Characteristics
Rated capacitance C
R
Tolerance
Connection
Rated voltage V
R
Rated frequency f
R
Output
Rated current I
R
tan
δ
(dielectric)
3 • 20.0 µF
–5 / +10%
D (Delta)
400 V AC
50 Hz
3.0 kvar
4.33 A
0.2 W / kvar
60 Hz
3.6 kvar
5.20 A
Label design
FK PC PM PFC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 8
November 2009
Film Capacitors – Power Factor Correction
PoleCap capacitor
B25671A4032A000
MKP400-D-3-P
Maximum ratings
V
max
(up to 8 h daily)
V
max
(up to 1 min)
I
max
440 V AC
520 V AC
1.3 • I
R
(A) (including combined
effects of harmonics,
overvoltages and capacitance
tolerance)
200 • I
R
(A)
I
S
Test data
V
TT
V
TC
tan
δ
(50 Hz)*
900 V AC / 50 Hz during 10 s
3000 V AC / 50 Hz during 10 s
≤
0.5 W / kvar
* Without discharge resistor & cable
Climatic category
T
min
T
max
Humidity
Maximum altitude
–40/D
–40 ºC
+55 ºC
av. rel. < 95%
4000 m
Mean life expectancy
Mean life expectancy t
LD
Up to 100 000 h
Max. 5000 switchings per year to IEC60831
Design data
Dimensions (d × l)
Weight approx
Impregnation
Fixing
Max. torque (Al can stud)
Mounting position
82 × 210 mm
0.6 kg
Dry, inert gas, no PCB
Threaded bolt M12
10 Nm
Upright or horizontal mounting
position possible. See
“Maintenance and Installation
Manual” for further details.
FK PC PM PFC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 8
November 2009
Film Capacitors – Power Factor Correction
PoleCap capacitor
B25671A4032A000
MKP400-D-3-P
Terminals
Enclosure
Connection cables
Cable cross section / Cable gland
Maximum terminal current
IP54 internally protected
Length 2 m (UV resistant and
water proof)
2.5 mm
2
/ PG13.5
50 A
Safety
Mechanical safety
Max. short circuit current
Discharge resistor time
Overpressure disconnector
(AFC: 10 kA)
≤
60 s to 50 V or less
Reference standards
IEC60831–1/2
Dimensional drawing
FK PC PM PFC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 8
November 2009
Film Capacitors – Power Factor Correction
PoleCap capacitor
B25671A4032A000
MKP400-D-3-P
Cautions and warnings
In case of dents of more than 1 mm depth or any other mechanical damage, capacitors must not
be used at all.
This applies also in cases of oil leakages.
To ensure the full functionality of the overpressure disconnector, elastic elements must not be
hindered and a minimum space of 12 mm has to be kept above each capacitor.
Do not handle the capacitor before it is discharged.
Resonance cases must be avoided by appropriate application design in any case.
Handle capacitors carefully, because they may still be charged even after disconnection due to
faulty discharging devices.
Protect the capacitor properly against over current and short circuit.
Failure to follow cautions may result, worst case, in premature failures, bursting and fire.
Discharging
Capacitors must be discharged to a maximum of 10% of rated voltage before they are switched in
again. This prevents an electric impulse discharge in the application, influences the capacitor’s
service life and protects against electric shock. The capacitor must be discharged to 75 V or less
within 3 minutes. There must be not any switch, fuse or any other disconnecting device in the circuit
between the power capacitor and the discharging device. PoleCap-capacitors have a pre-mounted
ceramic discharge module; alternatively discharge reactors are available from EPCOS. Discharge and
short circuit capacitor before handling!
Service life expectancy
Electrical components do not have an unlimited service life expectancy; this applies to self-healing
capacitors too. The maximum service life expectancy may vary depending on the application the
capacitor is used in.
Safety
Electrical or mechanical misapplication of capacitors may be hazardous. Personal injury or property
damage may result from bursting of the capacitor or from expulsion of oil or melted material due to
mechanical disruption of the capacitor.
Ensure good, effective grounding for capacitor enclosures.
Provide means of disconnecting and insulating a faulty component/bank.
The terminals of capacitors, connected bus bars and cables as well as other devices may also be
energized.
Follow good engineering practice.
Thermal load/over-temperature
After installation of the capacitor it is necessary to verify that maximum hot-spot temperature is not
exceeded at extreme service conditions.
FK PC PM PFC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 8
November 2009
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