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Multimetry a analyzátory UMG
Kompenzační kondenzátory FORTIS
Kompenzační kondenzátory FORTIS Pro
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Ochranné tlumivky VINDEX
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Nacházíte se v sekci Installation hints and technical information

Installation hints

Before installation please check voltage, frequency and ambient temperature, if they are in accordance with required standards as described herewith.

Operating temperatures
Avoid installation close to external heat source! Do not install capacitor close to significant heat sources such as detuning reactors.
Ensure appropriate cooling!

Correct mounting position and location
Capacitors with viscose fill shall be installed uprights with terminals facing upwards. Gas filled capacitors can be mounted in any position.
Do not install capacitors in position with terminals pointing downwards.

Safe connection
Cross section of connecting wires shall be projected in accordance with IEC70 and IEC831 for min 1,5 times of rated capacitor current. For connection of capacitors use materials in accordance with local regulative. Do not solder! Do not exceed the permitted max current values per contact as specified below even when coupling capacitors parallel.

Safe earthing
Capacitors with metal case have to be earthed at the mounting stud or by means of separate metal strap or clamp.
Check, if earthing is conductive.

Dangerous residual voltage
Due to high insulation strength, capacitors can store dangerous residual voltage. From that reason always short-circuit and discharge capacitor before you touch terminals.
Minimum requirement in accordance with IEC 831: discharge with permanently connected resistors to 75 V and less within 3 min.

Ensure discharge of capacitor to max. 10 % of its rated voltage before its connection.
Note: During permanent operation discharge resistors get very hot up to 200 °C.

Recommended fuses for capacitors
 
 400 V
440 V
525 V
QN
IN
INP
IN
INP
IN
INP
[kvar]
[A]
[A]
[A]
[A]
[A]
[A]
0,5
0,7
2
0,7
2
0,5
2
1
1,4
2
1,3
2
1,1
2
2
2,9
6
2,6
6
2,2
4
2,5
3,6
6
3,3
6
2,7
6
3
4,3
8
3,9
8
3,3
6
4
5,8
10
5,2
10
4,4
8
5
7,2
12
6,6
12
5,5
10
6,3
9,1
16
8,3
16
6,9
12
7,5
10,8
20
9,8
20
8,2
16
8
11,5
20
10,5
20
8,8
16
10
14,4
25
13,1
25
11,0
20
12,5
18,0
32
16,4
32
13,7
25
15
21,7
40
19,7
40
16,5
32
20
28,9
50
26,2
50
22,0
40
25
36,1
63
32,8
63
27,5
50
30
43,3
80
39,4
80
33,0
63
35
50,5
100
45,9
80
38,5
63
40
57,7
100
52,5
100
44,0
80
50
72,1
130
58
100
51,5
80
 
Cross section of wires for capacitors
CYA
 INmax
 QNmax. [kvar] by UN
[mm2]
 [A]
 [400V]
 [440V]
 [525V]
1,5
 7,5
 5,2
 5,7
 6,8
2,5
 14,5
 10,0
 11,1
 13,2
4
 18
 12,5
 13,7
 16,4
6
 25
 17,3
 19,1
 22,7
10
 32
 22,2
 24,4
 29,1
16
 48
 33,3
 36,6
 43,6
25
 58
 40,2
 44,2
 52,7
35
 90
 62,4
 68,6
 81,8
50
 130
 90,1
 99,1
 118,2
 
Limits for each terminal of term. block

Wire
INmax
Fixing torque
[mm2]
[A]
 [Nm]
35 - with ferrule

80

3,2 - 3,7

50 - without ferrule

 

Technical information

Capacitors FORTIS are designed for installation in conventional or detuned PFC appliances with mechanical or dynamic switching.

Allowed overvoltage (daily load)
24h
 440 V
8h
 480 V
30 min/d
 505 V
5 min. (200x)
 530 V
1 min. (200x)
 570 V
Peak
 1200 V
Test voltage
between terminals
 700 V
between case and terminals
 3000 V

Temperature class
Operating temperature from -40  °C to + 55 °C, D (maximum 55  °C, daily average 45  °C,  annual average 35  °C)
Losses
Dielectric losses
 0,25 W/kvar
Total losses of capacitor incl. discharge resistors
 0,5 W/kvar
Life expectancy
(permitted deviation max. 3 %)
category D conditions (maximum 55  °C, daily average 45  °C,  annual average 35  °C)
 min. 120 000 h
category C conditions (maximum 50  °C, daily average 40  °C,  annual average 30  °C)
 min. 150 000 h


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