DB25/25A ABB, DB25/25A Datasheet - Page 20

• Manufacturer Part Number: DB25/25A
• Description: MOUNTING BASE, TA25DU
• Manufacturer: ABB

Specifications of DB25/25A

• Svhc: No SVHC (18-Jun-2010)

Main Pole - Utilization Characteristics
Contactor types: AL.., TAL..
Rated operational voltage U
Rated frequency limits
Conventional free-air thermal current I
acc. to IEC 60947-4-1,
open contactors θ ≤ 40 °C
with conductor cross-sectional area
Rated operational current I
for air temperature close to contactor
U
with conductor cross-sectional area
Utilization category AC-3
for air temperature close to contactor < 55 °C
Rated making capacity AC-3
according to IEC 60947-4-1
Rated breaking capacity AC-3
according to IEC 60947-4-1
Short-circuit protection
without thermal O/L relay - Motor protection excluded
U
Rated short-time withstand current I
at 40 °C ambient temp., in free air,
from a cold state
Maximum breaking capacity
cos ϕ = 0.45
Heat dissipation per pole
Max. electrical switching frequency
– for AC-1
– for AC-3
– for AC-2, AC-4
Mechanical durability
– millions of operating cycles
– max. mechanical switching
18
1SBC101139C0201
e
Rated operational current I
3-phase motors
Rated operational power AC-3
1500 r.p.m. 50 Hz
1800 r.p.m. 60 Hz
3-phase motors
e
frequency
< 500 V a.c. - gG type fuse
max. 690 V
3
3
M
M
(cos ϕ = 0.35 for I
220-230-240 V
220-230-240 V
AL..Z..
{
380-400 V
380-400 V
θ ≤ 40 °C
θ ≤ 55 °C
θ ≤ 70 °C
at 440 V
at 690 V
I
I
e
e
15 min
for contactors
/ AC-1
/ AC-3
415 V
440 V
500 V
690 V
415 V
440 V
500 V
690 V
e
1 min
e
> 100 A)
10 s
30 s
AC-3
e
1 s
e
cycles/h
cycles/h
cycles/h
cycles/h
/ AC-1
max. V
mm
mm
cw
kW
kW
kW
kW
kW
kW
th
Hz
AL.., AL..Z.., TAL.. Contactors
Technical Data - IEC Ratings
Screw Terminals
W
W
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
2
2
9
9
690
25 ... 400
26
4
25
22
18
2.5
9
9
9
9
9
7
2.2
4
4
4
5.5
5.5
10 x I
8 x I
25
250
100
60
50
26
250
100
0.8
0.1
600
1200
300
10
3600
e
e
AC-3
AC-3
12
12
28
4
27
25
20
4
12
12
12
12
12
9
3
5.5
5.5
5.5
7.5
7.5
32
280
120
70
55
28
1
0.2
16
16
30
4
30
27
23
4
17
17
17
16
14
10
4
7.5
9
9
9
9
32
300
140
80
60
30
1.2
0.35
26
—
45
6
45
40
32
6
26
26
26
26
22
13
6.5
11
11
15
15
11
50
400
210
110
90
45
420
106
1.8
0.6
—
30
65
16
55
55
39
10
33
32
32
32
28
18
9
15
15
18.5
18.5
15
63
600
400
225
150
65
470
175
2.5
0.9
Low Voltage Products
—
40
65
16
60
60
42
16
40
37
37
37
33
21
11
18.5
18.5
22
22
18,5
3
1.3