Circuit Breakers - Siemens 3wl Configuration Manual

3WL air circuit breakers/non-automatic air circuit breakers up to 6300 A (AC), IEC

Circuit breakers

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Guide frames
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© Siemens AG 2015
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3WL Air Circuit Breakers
General data
1 Arc chute
2 Carrying handle
3 Labeling plates
Motor cutout switch (option) or
4
"Electrical ON" (option)
5 Name plate for circuit-breaker
Spring charge indicator
6
7 "Mechanical ON" button
Rated current indication
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Positioning pictogram
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Operating cycles counter (option)
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11 Hand-operated lever
Crank handle
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Withdrawable unit drive shaft
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14 Equipment plate
Grounding connection
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Position indicator
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Table for ground-fault protection
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18 Safety lock for crank handle (option)
Mechanical unlocking of crank handle
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(option)
Electronic trip unit
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21 Rating plug
"Mechanical OFF" button or
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"EMERGENCY-STOP"
mushroom pushbutton (option)
23 Ready-to-close indicator
24 Contact position indicator
25 "Tripped" indicator (reset button)
26 "Secure OFF" locking device (option)
27 Operator panel
28 Male connector for auxiliary connections
Arc chute cover (option)
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2 Blow-out openings
3 Opening for crane hook
Shutter (option)
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Locking device (shutter) (option)
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Name plate for guide frame
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Isolating contacts
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Ground terminal Ø14 mm
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Locking device for racking rail
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Locking device against movement when
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cabinet door is open (option)
11 Door interlock for guide frame (option)
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Racking rail
13 Factory-set rated current coding
14 Sliding contact for breaker grounding (option)
15 Equipment-dependent coding (option)
Shutter actuator (option)
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Position indication switch (option)
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Sliding contact module for auxiliary
18
conductors (number depends on equipment)
Siemens · 10/2014
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