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Siemens · 10/2014
General data
3WL Air Circuit Breakers
3WL air circuit breakers/non-automatic air circuit breakers up to 6300 A (AC), IEC
Size I to III
Type
3WL1
Ready-to-close signaling switch (S20) (acc. to DIN VDE 0630)
Breaking capacity • Alternating current - Rated operational voltage U
e
- Rated operational current I
e
V
A
250
8
• Direct current - Rated operational voltage U
e
- Rated operational current I
e
V
A
125
0.4
250
0.2
Short-circuit protection Largest permissible DIAZED fuse (operational class gL) 2 A Dz (quick)
Trip alarm switch (S24) and signal switch for auxiliary releases (S22, S23) (acc. to DIN VDE 0630)
Breaking capacity • Alternating current - Rated operational voltage U
e
- Rated operational current I
e
/AC-12
V
A
250
8
• Direct current - Rated operational voltage U
e
- Rated operational current I
e
/DC-12
V
A
24
6
125
0.4
250
0.2
Short-circuit protection Largest permissible DIAZED fuse (operational class gL)
6 A Dz (quick)
Trip alarm switch Signal duration after tripping
Until manual or electrical
remote reset (option)
Position signaling switch on guide frame
Type of contact • Message: - "Circuit breaker in connected
position"
- "Circuit breaker in test position"
- "Circuit breaker in disconnected
position"
3 CO
2 CO
1 CO
or
1 CO
1 CO
1 CO
Rated insulation voltage U
i
50/60 Hz AC
DC
V
V
440
250
Rated operational voltage U
e
V 250
Rated impulse withstand voltage U
imp
kV 4
Breaking capacity • Rated operational
current I
e
- I
e
/AC-12
- I
e
/AC-15
- I
e
/DC-12
- I
e
/DC-13
- A 300 (AC)
- R 300 (DC)
24 V 10 A, 110/127 V 10 A,
220/240 V 10 A, 320/440 V 10 A
220/240 V 4 A,
320/440 V 3 A,
24 V 10 A, 48 V 2.5 A,
220/240 V 0.2 A,
24 V 3.0 A, 220/240 V 0.1 A
120 V 6 A, 240 V 3 A
125 V 0.22 A, 250 V 0.11 A
Short-circuit protection • Largest permissible DIAZED fuse (operational class gL)
• Largest permissible miniature circuit breaker with C characteristic
8 A TDz (slow)
8 A TDz (slow)
© Siemens AG 2015