Siemens AC-21 Brochure page 27

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Circuit diagrams
Internal circuit diagram for SENTRIC KL
(for 3KL50 and 3KL51, only one auxiliary switch possible, not included in
scope of supply; 4th pole is possible as main contact)
SENTRIC KL Switch Disconnectors with Fuses
Internal circuit diagram for SENTRIC KL
(auxiliary switch not included in scope of supply)
used with direct voltage at DC-23A 440 V
Accessories
Siemens LV 10 · 2004 7/27
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