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WARNING
Electric shock due to the residual charge of the DC link capacitors
Due to the DC link capacitors, a hazardous voltage is present in the DC link for up to five minutes
after the power supply has been switched off.
Contact with live parts can result in death or serious injury.
• Do not open the protective flap of the DC link until 5 minutes have elapsed.
• Check that the cabinet is de-energized.
Components required:
• 1 fuse switch 3-phase 400 V / 10 A
• Cable 1.5 mm
2
• 3 PTC resistors 350 Ω / 35 W
(recommendation: PTC-35W PTC800620-350 Ohm, Michael Koch GmbH)
Service and maintenance
9.3 Forming the DC link capacitors
Booksize power units
150
Equipment Manual, 01/2022, 6SL3097-6AC30-0BP0