AC Film Capacitors
Motor Run
B 32 328
Construction
Dielectric: polypropylene film
Plastic case
Polyurethane resin
Features
Self-healing properties
Low dissipation factor
High insulation resistance
Typical applications
For general sine wave applications,
mainly as motor run capacitor
Terminals
Cable
Mounting parts
Metal stud (max. torque = 5 Nm)
Plastic stud (max. torque = 3 Nm)
Technical data and specifications
Standard
Rated capacitance
C
N
Tolerance
Rated voltage
U
N
Rated frequency
f
N
Life expectancy
Maximum ratings
Maximum permissible voltage
U
max
Maximum permissible current
I
max
1,1 x U
N
(U
N
: rated voltage)
1,3 x I
N
(I
N
: rated current)
IEC / EN 60252
2 .. 60 µF
±
5% ,
±10%
250 .. 450 Vac
50.. 60 Hz
10.000 h ( Class B )
Issue No.2
07/01
Page 1 of 6
AC Film Capacitors
Motor Run
B 32 328
Technical data (cont`d)
Test data
AC test voltage terminal to terminal
U
TT
Insulation voltage terminals to case
Insulation resistance
R
is
or time constant
τ
at 20 °C
Rel. Humidity
≤
65 °C (minimum value)
Dissipation factor tanδ at 20 °C
Maximum rate of voltage rise du/dt
max
Climatic data
Climatic category
Lower category
T
min
(2)
Upper category
T
max
(2)
Damp heat test
t
test
Permitted capacitance
∆C/C
25/085/21
in accordance with IEC 60068-1
-25 °C
+85 °C
21 days
≤
3%
3000 s
≤
1,0 x 10
10 V/µs
-3
2 x U
N
, 60 s
2000 Vac
(120 Hz)
Note
:
1) It should be noted that presence of harmonics produces over voltage & over current on capacitors. Resonance may
cause serious damage to installation if a siginificant level of total harmonic distortion level exists for voltage or current.
In such cases, series reactors must be considered.
2) Operating temperature class: In accordance with the reference standards, these temperatures are those measured on
the surface on the capacitor
Approved marks
EN 60252
250
(2)
, 400
(1)
and 450
(1)
Vac.
(1) Currently available from Icotron and EIPL.
(2) Homologation in process
Issue No.2
07/01
Page 2 of 6
Real-time operating system RTOS
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