Power Capacitors
Power Factor Correction
Construction
Dielectric: Polypropylene film
Gas-impregnated / dry type
Concentric winding
Wave cut
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 (or forced air cooling)
Indoor mounting
Typical applications
For Power Factor Correction
Terminals
SIGUT terminals
Mounting parts
Threaded stud at bottom of can
(
max. torque = 10 Nm for M12)
B25667B4547A375
MKK440-D-33-01
Dimensional drawing
Technical data and specifications
Characteristics
Rated capacitance C
R
Tolerance
Connection
Rated voltage V
R
Rated frequency f
R
Output
Rated current I
R
tanδ (dielectric)
3 x 181 µF
-5 / +10%
D (Delta)
440 VAC
50 Hz
33 kvar
43 A
0.2 W / kvar
60 Hz
--
--
FK PFC RD / VA
Page 1 of 3
Edition 1.
10.03.05
Power Capacitors
Power Factor Correction
B25667B4547A375
MKK440-D-33-01
Maximum ratings
U
max
(up to 8 h daily)
U
max
(up to 1 min)
I
max
I
S
480 VAC
570 VAC
1.3 x I
R
(A)
200 x I
R
(A)
Label design
Test data
U
TT
U
TC
tanδ (50 Hz)
950 VAC / 50 Hz during 10 s
3,000 VAC / 50 Hz during 10 s
≤
0.7 W / kvar
Climatic category / -40/C
T
min
T
max
Humidity
Maximum altitude
(-)
(+)
40 ºC
50 ºC
av. rel. < 95%
4,000 m
Mean life expectancy
t
LD
Up to 100,000 hours
Max. 5000 switchings per year acc. to IEC 60831
Design data
Dimensions (∅ x l)
Weight approx
Impregnation
Fixing
Max. torque (Al can stud)
Mounting position
142 x 200 mm
2.5 kg
Dry, inert gas
Threaded bolt M12
10 Nm
Any mounting position
possible. See
“Maintenance and
Installation Manual” for
further details.
FK PFC RD / VA
Page 2 of 3
Edition 1.
10.03.05
Power Capacitors
Power Factor Correction
B25667B4547A375
MKK440-D-33-01
Terminals
Degree of protection
Max. torque
Terminal cross section
Maximum terminal current
Creepage distance
Clearance
Isolated terminals, IP20
1.2 Nm
16 mm
2
(5 AWG)
50 A
12.7 mm
9.6 mm
Safety
Mechanical safety
Max. short circuit current
Discharge resistor time
Overpressure disconnector
(AFC: 10 kA)
≤
90 s (75 V)
Reference standards
IEC 60831-1/2
U
Please read information about PFC capacitors and cautions as well as installation and maintenance instructions (Power Factor Correction Product Profile,
actual version, and Installation and Maintenance Instructions for PFC-capacitors, available in the Internet) to ensure optimum performance and prevent products
from failing, and in worst case, bursting and fire.
Information given in the PFC-product profile and values given in the data sheet reflect typical specifications. You are kindly requested to approve our product
specifications or request our approval for your specification before ordering.
EPCOS AG 2005. All Rights reserved. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the information contained therein
without EPCOS' prior express consent is prohibited. The information contained in this data sheet describes the type of component and shall not be considered
as guaranteed characteristics. Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics
Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed.
FK PFC RD / VA
Page 3 of 3
Edition 1.
10.03.05
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