Siemens SENTRON 3WL Reference Manual page 28

3WL Air Circuit Breakers
3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
General data
Size
Type
Rated current I at 40 °C, at 50/60 Hz
n
Main conductor
N conductor (only on 4-pole versions)
Rated operational voltage U at 50/60 Hz
e
(for 1000 V version see Catalog LV 1, "Options")
Rated insulation voltage U
i
Rated impulse withstand voltage U
• Main current paths
• Auxiliary circuits
• Control circuits
Isolating function acc. to EN 60947-2
Utilization categories
Permissible ambient temperature
• During operation (in operation with LCD max. 55 °C)
• During storage (special conditions for LCDs must be observed)
6) • Up to 55 ° C (Cu bare)
Permissible load
• Up to 60 ° C (Cu bare)
• Up to 70 ° C (Cu black painted)
Rated rotor operational voltage U
er
Power loss at I
n
With 3-phase symmetrical load
• Fixed-mounted circuit breakers
• Withdrawable circuit breakers
Operating times
• Make-time
• Opening time
• Electrical make-time (through closing solenoid)
• Electrical opening time (through shunt release)
• Electrical opening time (instantaneous undervoltage release)
• Opening time due to ETU, instantaneous short-circuit release
Endurance
• Mechanical (without maintenance)
3)
• Mechanical (with maintenance)
• Electrical (without maintenance)
• 1000 V version, electrical (without maintenance)
7)
• 1150 V version, electrical (without maintenance)
3)
• Electrical (with maintenance)
Switching frequency
• 690 V version
• 1000 V version
7)
• 1150 V version
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)
Mounting position
Degree of protection
Main conductor • Copper bars,
minimum bare
cross-sections
• Copper bars,
painted black
Auxiliary conductors Standard connection = strain-relief clamp
(Cu) • Without end sleeve
Max. number of • With end sleeve acc. to DIN 46228 Part 2
auxiliary conductors × • With twin end sleeve
cross-section
(solid/stranded)
Optional connection = tension spring
• Without end sleeve
• With end sleeve acc. to DIN 46228 Part 2
Position indicator swit- Tension spring terminals
ches
Weights 3-pole • Fixed-mounted circuit breakers
• Withdrawable circuit breakers
• Guide frames
4-pole • Fixed-mounted circuit breakers
• Withdrawable circuit breakers
• Guide frames
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
Operating Manual).
28 Siemens · 2009
II
3WL12 25
A 2500
A 2500
V AC ... 690/1000
V AC 1000
imp
kV 12
kV
kV
Yes
B (except switching capacity class DC)
4)
° C
–25/+70
° C
–40/+70
A 2500
5)
A 2500
5)
A 2280
V 2000
W 270
W 520
ms
ms
2)
ms 100
ms
ms
ms
10000
Oper. cycles
Oper. cycles 15000
Oper. cycles
Oper. cycles
Oper. cycles
Oper. cycles 15000
1/h 60
1/h 20
1/h 20
ms 80
IP20 without cabinet door, IP41 with door sealing frame, IP55 with cover
Units 2 ×
2
mm 100 × 10
Units 2 ×
2
mm 100 × 10
2 × 0.5 mm
1 × 0.5 mm
2 × 0.5 mm
2 × 0.5 mm
2 × 0.5 mm
1 × 0.5 mm
kg 59
kg 63
kg 39
kg 71
kg 76
kg 47
(see
3WL12 32 3WL12 40
3200 4000
3200 4000
... 690/1000 ... 690
1000 1000
12 12
4 4 4
2.5 2.5 2.5
Yes Yes
–25/+70 –25/+70
–40/+70 –40/+70
3200 3950
3020 3810
2870 3600
2000 2000
410 750
710 925
35 35 35
34 34 34
100 100
73 73 73
73 73 73
1) 1) 1)
50 50 50
10000 10000
15000 15000
7500 4000 4000
1000 1000 1000
500 500 500
15000 15000
60 60
20 20
20 20
80 80
3 0 ° 3 0 °
3 0 ° 3 0 °
and/
or
N S E 0 _ 0 0 0 6 1 a
N S E 0 _ 0 0 0 6 2 a
3 × 4 ×
100 × 10 120 × 10
3 × 4 ×
100 × 10 100 × 10
2 2
(AWG 20) ... 2 × 1.5 mm
2 2
(AWG 20) ... 1 × 1.5 mm
2 2
(AWG 20) ... 2 × 1.5 mm
2 2
(AWG 20) ... 2 × 2.5 mm
2 2
(AWG 20) ... 2 × 1.5 mm
2 2
(AWG 20) ... 1 × 2.5 mm
64 85
68 121
45 52
77 103
82 146
54 62
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.
III
3WL13 40 3WL13 50 3WL13 63
4000 5000 6300
4000 5000 6300
... 690/1000 ... 690/1000 ... 690/1000
1000 1000 1000
12 12 12
4 4 4
2.5 2.5 2.5
Yes Yes Yes
–25/+70 –25/+70 –25/+70
–40/+70 –40/+70 –40/+70
4000 5000 5920
4000 5000 5810
4000 5000 5500
2000 2000 2000
520 630 900
810 1050 1600
35 35 35
34 34 34
100 100 100
73 73 73
73 73 73
50 50 50
5000 5000 5000
10000 10000 10000
2000 2000 2000
1000 1000 1000
1000 1000 1000
10000 10000 10000
60 60 60
20 20 20
20 20 20
80 80 80
N S E 0 _ 0 0 9 2 7 a
4 x 6 x 6 x
100 x 10 100 x 10 120 x 10
4 × 6 × 6 ×
8)
100 × 10 100 × 10 120 × 10
2
(AWG 16); 1 × 2.5 mm (AWG 14)
(AWG 16)
(AWG 16)
(AWG 14)
(AWG 16)
(AWG 14)
82 82 90
88 88 96
60 60 70
99 99 108
106 106 108
84 84 119