3WL Air Circuit Breakers
29
Siemens · 2012
3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
General data
1)
24 V and 30 V only with undervoltage release UVR (F3).
Sizes I to III
Type
3WL1
Manual operating mechanism with mechanical closing
Closing/
Charging stored-
energy feature
Max. force required to operate the hand lever
Required number of strokes on the hand lever
N ≤ 230
9
Manual operating mechanism with mechanical and electrical closing
Charging stored-
energy feature
Closing solenoid
(CC)
• Primary operating range 0.85 ... 1.1 × U
s
• Extended operating range for battery operation At 24 V DC, 48 V DC
60 V DC, 110 V DC
220 V DC
0.7 ... 1.26 × U
s
• Rated control supply voltage U
s
50/60 Hz AC
DC
V
V
110 ... 127; 208 ... 240
24; 30; 48; 60; 110 ... 125; 220 ... 250
• Power consumption AC/DC VA/W
15/15
• Minimum command duration at U
s
for the closing solenoid ms 60
• Short-circuit protection
Smallest permissible DIAZED fuse (gL operational class)/
miniature circuit breaker with C characteristic
1 A TDz (slow)/1 A
Manual/motorized operating mechanism with mechanical and electrical closing
Manual operating
mechanism
For data see above.
Motor • Primary operating range
0.85 ... 1.1 × U
s
• Extended operating range for battery operation At 24 V DC, 48 V DC
60 V DC, 110 V DC
220 V DC
0.7 ... 1.26 × U
s
• Power consumption of motor AC/DC VA/W 135/135
• Time required to charge the stored-energy mechanism at 1 × U
s
s ≤ 10
Closing solenoid
For data see above.
For motor and
closing solenoid
• Short-circuit protection
Smallest permissible DIAZED fuse (gL operational class)/miniature circuit breaker with
C characteristic; Motor and closing solenoid for identical
rated control supply voltages
6 A TDz (slow)/2 A
• Smallest permissible DIAZED fuse (gL operational class)/
miniature circuit breaker with C characteristic (for different
rated control supply voltages)
At U
s
= 24 ... 30 V
At U
s
= 48 ... 60 V
At U
s
= 110 ... 125 V DC/
110 ... 127 V AC
At U
s
= 220 ... 250 V DC/
208 ... 240 V AC
6 A
6 A
2 A
2 A
Electronic release signals
Measuring accuracy of the electronic release Protection functions acc. to
EN 60947; current indication ≤ 10 %;
Measurement function
Base electrical quantities ≤ 1 %;
Measurement function
derived variables ≤ 4 %
Auxiliary releases
Undervoltage
releases
UVR (F3) and
UVR-t
d
(F4)
• Response values Pick-up
Dropout
≥ 0.85 × U
s
(circuit breaker can
be closed)
0.35 ... 0.7× U
s
(circuit breaker is tripped)
• Primary operating range
0.85 ... 1.1
• Extended operating range for battery operation At 24 V DC, 30 V DC,
48 V DC, 110 V DC, 220 V DC
0.85 ... 1.26
• Rated control supply voltage U
s
Instantaneous
50/60 Hz AC
DC
Delayed
50/60 Hz AC
DC
V
V
V
V
110 ... 127/208 ... 240/380 ... 415
24/30/48/60/110 ... 125/220 ... 250
1)
110 ... 127; 208 ... 240; 380 ... 415
48; 110 ... 125; 220 ... 250
• Power consumption (pickup/uninterrupted duty) AC
DC
VA
W
20/5
20/5
• Opening time of circuit breaker at U
s
= 0 ms 200
- Version UVR (F3)
Instantaneous
With delay
ms
ms
80
200
- Version UVR-
t
d
(F8)
with delay, t
d
= 0.2 to 3.2 s
Reset via additional NC contact – direct switching off
s
ms
0.2 ... 3.2
≤ 100
• Short-circuit protection
Smallest permissible DIAZED fuse (gL operational class)/
miniature circuit breaker with C characteristic
1 A TDz (slow)/1 A
© Siemens AG 2011
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