Siemens SENTRON 3WL - Page 28

3WL Air Circuit Breakers
3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
General data
28
Siemens · 2009
1) Opening time on instantaneous short-circuit release with
ETU15B = 85 ms.
2) Make-time through closing solenoid for synchronization purposes
(short-time excited) 50 ms.
3) Maintenance means: replace main contact elements and arc chutes (see
Operating Manual).
4) Use of releases from –20 °C.
5) ETU76B with graphics display can be used up to max. 55 °C.
6) 4000 A, size II in fixed-mounted version, 3-pole.
7) Size III: data for very high switching capacity.
8) Minimum main conductor cross-sections for 4-pole withdrawable circuit
breakers: 4 x 120 x 10 mm.
Size II III
Type 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
2500
2500
3200
3200
4000
4000
4000
4000
5000
5000
6300
6300
Rated operational voltage U
e
at 50/60 Hz
(for 1000 V version see Catalog LV 1, "Options")
V AC ... 690/1000 ... 690/1000 ... 690 ... 690/1000 ... 690/1000 ... 690/1000
Rated insulation voltage U
i
V AC 1000 1000 1000 1000 1000 1000
Rated impulse withstand voltage U
imp
• Main current 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
Isolating function acc. to EN 60947-2
Yes Yes Yes Yes Yes Yes
Utilization categories
B (except switching capacity class DC)
Permissible ambient temperature
• During operation (in operation with LCD max. 55 °C)
4)
• During storage (special conditions for LCDs must be observed)
° 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
Permissible load
6)
• Up to 55 ° C (Cu bare)
• Up to 60 ° C (Cu bare)
5)
• Up to 70 ° C (Cu black painted)
5)
A
A
A
2500
2500
2280
3200
3020
2870
3950
3810
3600
4000
4000
4000
5000
5000
5000
5920
5810
5500
Rated rotor operational voltage U
er
V 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
270
520
410
710
750
925
520
810
630
1050
900
1600
Operating times
• Make-time
• Opening time
• Electrical make-time (through closing solenoid)
2)
• 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
1)
35
34
100
73
73
50
1)
35
34
100
73
73
50
1)
35
34
100
73
73
50
35
34
100
73
73
50
35
34
100
73
73
50
Endurance
• Mechanical (without maintenance) Oper. cycles
• Mechanical (with maintenance)
3)
Oper. cycles
• Electrical (without maintenance) Oper. cycles
• 1000 V version, electrical (without maintenance) Oper. cycles
• 1150 V version, electrical
7)
(without maintenance) Oper. cycles
• Electrical (with maintenance)
3)
Oper. cycles
10000
15000
7500
1000
500
15000
10000
15000
4000
1000
500
15000
10000
15000
4000
1000
500
15000
5000
10000
2000
1000
1000
10000
5000
10000
2000
1000
1000
10000
5000
10000
2000
1000
1000
10000
Switching frequency
• 690 V version
• 1000 V version
• 1150 V version
7)
1/h
1/h
1/h
60
20
20
60
20
20
60
20
20
60
20
20
60
20
20
60
20
20
Minimum interval between tripping operation by solid-state
release and next making operation of the circuit breaker (only
with automatical mechanical resetting of the lockout device)
ms
80 80 80 80 80 80
Mounting position
Degree of protection IP20 without cabinet door, IP41 with door sealing frame, IP55 with cover
Main conductor
minimum
cross-sections
• Copper bars,
bare
• Copper bars,
painted black
Units
mm
2
Units
mm
2
2 ×
100 × 10
2 ×
100 × 10
3 ×
100 × 10
3 ×
100 × 10
4 ×
120 × 10
4 ×
100 × 10
8)
4 x
100 x 10
4 ×
100 × 10
6 x
100 x 10
6 ×
100 × 10
6 x
120 x 10
6 ×
120 × 10
Auxiliary conductors
(Cu)
Max. number of
auxiliary conductors ×
cross-section
(solid/stranded)
Standard connection = strain-relief clamp
• Without end sleeve
• With end sleeve acc. to DIN 46228 Part 2
• With twin end sleeve
2 × 0.5 mm
2
(AWG 20) ... 2 × 1.5 mm
2
(AWG 16); 1 × 2.5 mm
2
(AWG 14)
1 × 0.5 mm
2
(AWG 20) ... 1 × 1.5 mm
2
(AWG 16)
2 × 0.5 mm
2
(AWG 20) ... 2 × 1.5 mm
2
(AWG 16)
Optional connection = tension spring
• Without end sleeve
• With end sleeve acc. to DIN 46228 Part 2
2 × 0.5 mm
2
(AWG 20) ... 2 × 2.5 mm
2
(AWG 14)
2 × 0.5 mm
2
(AWG 20) ... 2 × 1.5 mm
2
(AWG 16)
Position indicator swit-
ches
Tension spring terminals
1 × 0.5 mm
2
(AWG 20) ... 1 × 2.5 mm
2
(AWG 14)
Weights 3-pole
4-pole
• Fixed-mounted circuit breakers
• Withdrawable circuit breakers
• Guide frames
• Fixed-mounted circuit breakers
• Withdrawable circuit breakers
• Guide frames
kg
kg
kg
kg
kg
kg
59
63
39
71
76
47
64
68
45
77
82
54
85
121
52
103
146
62
82
88
60
99
106
84
82
88
60
99
106
84
90
96
70
108
108
119
N S E 0 _ 0 0 0 6 1 a
3 0 °
3 0 °
N S E 0 _ 0 0 0 6 2 a
3 0 ° 3 0 °
and/
or
N S E 0 _ 0 0 9 2 7 a
h
= 1 m m
m a x .