Siemens 3wl - Page 32

30
Siemens · 10/2014
General data
3WL Air Circuit Breakers
3WL air circuit breakers/non-automatic air circuit breakers up to 6300 A (AC), IEC
1)
Use of trip units from –20 °C.
2)
4000 A, size II in fixed-mounted version, 3-pole.
3)
Derating factors for fixed mounting of 3WL12 40.
4)
ETU76B with graphics display can be used up to max. 55 °C.
5)
Make-time through closing solenoid for synchronization purposes
(short-time excited) 50 ms.
6)
Maintenance means: replace main contact elements and arc chutes
(see Operating Manual).
7)
Size II with order code "A15" and size III:
data for very high breaking capacity.
8)
Minimum interval time between 2 tripping operations.
9)
3-pole switching with breaking capacity N and S: 45/h.
Size II III
Type 3WL12 20 3WL12 25 3WL12 32 3WL12 40 3WL13 40 3WL13 50 3WL13 63
Rated current I
n
at 40 °C, at 50/60 Hz
Main conductor
N conductor (only on 4-pole versions)
A
A
2000
2000
2500
2500
3200
3200
4000
4000
4000
4000
5000
5000
6300
6300
Rated operational voltage U
e
at 50/60 Hz
(1000 V version, see Catalog LV 10, "Options")
V AC ...
690/1000
...
690/1000
...
690/1000
... 690 ...
690/1000
...
690/1000
...
690/1000
Rated insulation voltage U
i
V AC 1000 1000 1000 1000 1000 1000 1000
Rated impulse withstand voltage U
imp
• Main conducting paths
• Auxiliary circuits
• Control circuits
kV
kV
kV
12
4
2.5
12
4
2.5
12
4
2.5
12
4
2.5
12
4
2.5
12
4
2.5
12
4
2.5
Isolating function acc. to EN 60947-2
Yes Yes Yes Yes Yes Yes Yes
Utilization category
B
Permissible ambient temperature
• During operation (in operation with LCD max. 55 °C)
1)
•Storage
C
C
–25/+70
–40/+70
–25/+70
–40/+70
–25/+70
–40/+70
–25/+70
–40/+70
–25/+70
–40/+70
–25/+70
–40/+70
–25/+70
–40/+70
Permissible load for
withdrawable versions
2)
• Up to 55 °C (Cu bare)
• Up to 60 °C (Cu bare)
4)
• Up to 70 °C (Cu black painted)
4)
A
A
A
2000
2000
2000
2500
2500
2280
3200
3020
2870
3950
3)
3810
3600
4000
4000
4000
5000
5000
5000
5920
5810
5500
Rated rotor operational voltage U
er
V 2000 2000 2000 2000 2000 2000 2000
Power loss at I
n
With 3-phase symmetrical load
• Fixed-mounted circuit breakers
• Withdrawable circuit breakers
W
W
180
320
270
520
410
710
750
925
520
810
630
1050
900
1600
Switching times
• Make time
• Opening time
• Electrical make time (through closing solenoid)
5)
• Electrical opening time (through shunt release)
• Electrical opening time (instantaneous undervoltage release)
• Opening time due to ETU, instantaneous short-circuit release
ms
ms
ms
ms
ms
ms
35
34
100
73
73
50
35
34
100
73
73
50
35
34
100
73
73
50
35
34
100
73
73
50
35
34
100
73
73
50
35
34
100
73
73
50
35
34
100
73
73
50
Service life: Breaking capacity N, S and H
• Mechanical (without maintenance) Operating cycles
• Mechanical (with maintenance)
6)
Operating cycles
• Electrical (without maintenance) up to 690 V Operating cycles
• 1000 V version, electrical (without maintenance) Operating cycles
• 1150 V version, electrical
7)
(without maintenance) Operating cycles
• Electrical (with maintenance)
6)
Operating cycles
10000
15000
7500
1000
500
15000
10000
15000
7500
1000
500
15000
10000
15000
4000
1000
500
15000
10000
15000
2000
1000
500
15000
5000
10000
2000
1000
500
10000
5000
10000
2000
1000
500
10000
5000
10000
2000
1000
500
10000
Service life: Breaking capacity C
• Mechanical (without maintenance) Operating cycles
• Mechanical (with maintenance)
6)
Operating cycles
• Electrical (without maintenance) up to 690 V Operating cycles
• Electrical (without maintenance) up to 1150 V Operating cycles
• Electrical (with maintenance) up to 690 V
6)
Operating cycles
5000
10000
5000
--
10000
5000
10000
5000
--
10000
5000
10000
4000
--
8000
--
--
--
--
--
5000
10000
1000
500
--
5000
10000
1000
500
--
5000
10000
1000
500
--
Switching frequency
8)
• 690 V version
• 1000 V version
• 1150 V version
7)
1/h
1/h
1/h
60
9)
20
20
60
9)
20
20
60
9)
20
20
60
9)
20
20
60
20
20
60
20
20
60
20
20
Minimum interval between tripping operation by electronic trip
unit and next making operation of the circuit breaker (only with
autom. mechanical resetting of the lockout device)
Minimum interval between On-Off or Off-On switching operations.
ms
80 80 80 80 80 80 80
© Siemens AG 2015