Film capacitors – Power Factor Correction
PhaseCap Compact capacitors
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MKK400-D-12.5-02
B25673A4122A500
May 2009
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FK PC PM PFC
May 2009
1
Film capacitors – Power Factor Correction
PhaseCap Compact capacitors
B25673A4122A500
MKK400-D-12.5-02
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
PhaseCap Compact capacitors
B25673A4122A500
MKK400-D-12.5-02
Construction
Dielectric: Polypropylene film
Non PCB, Semi-dry biodegradable resin
Concentric winding
Wave cut
Extruded round aluminum can with stud
Provided with ceramic discharge module
Overpressure disconnector
Features
Three phase, delta connected
Self-healing technology
Naturally air cooled (or forced air cooling)
Indoor mounting
Typical applications
For Power Factor Correction
Terminals
SIGUT terminals
Mounting
Threaded stud at bottom of can
(max. torque = 10 Nm for M12)
FK PC PM PFC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 8
May 2009
Film capacitors – Power Factor Correction
PhaseCap Compact capacitors
B25673A4122A500
MKK400-D-12.5-02
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 × 82.9 µF
–5 / +10%
D (Delta)
400 V AC
50 Hz
12.5 kvar
18 A
0.2 W / kvar
60 Hz
15.0 kvar
22 A
Label design
Maximum ratings
V
max
(up to 8 h daily)
V
max
(up to 1 min)
I
max
440 V AC
520 V AC
1.8 × I
R
(A) (including combined effects of
harmonics, overvoltages and capacitance
tolerance)
300 × 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
≤
0.4 W / kvar
* Without discharge resistor
Climatic category
T
min
T
max
(–)
(+)
–40/D
40 ºC
55 ºC
65 ºC max.
Up to 130 000 h
av. rel. < 95%
4000 m
–40/C
40 ºC
50 ºC
60 ºC max.
Up to 180 000 h
B25673A4122A500
6
5
4
P
max
Maximum power loss at
ambient
Casing temperature
Mean life expectancy
Humidity
Maximum altitude
Maximum power loss
at
ambient
P
max
5.00 W
3.34 W
1.68 W
0W
at
ambient
55 ºC
65 ºC
75 ºC
85 ºC
3
2
1
0
50
55
60
65
70
amb
75
80
85
90
FK PC PM PFC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 8
May 2009
Film capacitors – Power Factor Correction
PhaseCap Compact capacitors
B25673A4122A500
MKK400-D-12.5-02
Switching voltages
Max. 10 000 switchings per year
Design data
Dimensions ( × l)
Weight approx
Impregnation
Fixing
Max. torque (Al can stud)
Mounting position
100 × 162 mm
1.4 kg
Non PCB, Semi-dry biodegradable
resin
Threaded bolt M12
10 Nm
Any mounting position possible. See
“Maintenance and Installation
Manual” for further details.
Dimensional drawing
Terminals
Degree of protection
Max. torque
Terminal cross section
Maximum terminal current
Creepage distance (min)
Clearance (min)
Isolated terminals, IP20
2.0 Nm
25 mm
2
60 A
12.7 mm
9.6 mm
Safety
Mechanical safety
Max. short circuit current
Discharge resistor time
Overpressure disconnector
(AFC: 10 kA)
≤
1 min to 75 V or less
Reference standards
IEC 60831-1/2
FK PC PM PFC
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 8
May 2009
Film capacitors – Power Factor Correction
PhaseCap Compact capacitors
B25673A4122A500
MKK400-D-12.5-02
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. PhaseCap Compact 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
May 2009
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