DB25/25A ABB, DB25/25A Datasheet - Page 21

• 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..ST, AL..Z..ST
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
Low Voltage Products
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
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
{
380-400 V
380-400 V
θ ≤ 40 °C
θ ≤ 55 °C
θ ≤ 70 °C
I
I
at 440 V
at 690 V
e
e
15 min
/ AC-1
/ AC-3
for contactors
415 V
440 V
500 V
690 V
415 V
440 V
500 V
690 V
1 min
e
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..ST, AL..Z..ST Contactors
Technical Data - IEC Ratings
Spring Terminals
W
W
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
2
2
9
690
25 ... 400
24
4
23
18
15
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
24
250
100
1.6
0.24
600
1200
300
10
3600
e
e
AC-3
AC-3
12
25
4
25
20
16
4
12
12
12
12
12
9
3
5.5
5.5
5.5
7.5
7.5
25
280
120
70
55
25
1.8
0.4
16
27
4
27
22
17
4
17
17
17
16
14
10
4
7.5
9
9
9
9
32
300
140
80
60
27
2.0
0.8
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1SBC101139C0201
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