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| WARNING Only licensed experts may install electrical components. They must adhere to local and state legislation and regulations. |
| WARNING Always consult local authorities on decisions that relate to aviation safety, grounding, lightning protection, safe installation, and power supply. Follow local and state legislation and regulations. |
| WARNING Do not open the power supply unit. There are no user-serviceable parts inside the unit. If the power supply unit is faulty, replace it. |
The AC (mains) cable is not included in the delivery. Use a copper (Cu) cable with a minimum cross-section of 3 × 1.5 mm2 (15 AWG) with maximum operating temperature over +70 °C (+158 °F).
| WARNING Before connecting the cable, switch off the power. |
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Lead the AC (mains) cable into the enclosure.
Lead the cable through the left-side flange. Attach the cable to the strain relief above the flange.
- 1
- AC (mains) cable
- 2
- Strain relief
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Strip approximately 100 mm (3.94 in) of the cable, and cut the phase and neutral wires to the length of approximately 50 mm (1.97 in). If you are using a stranded wire, add cable ferrules to the ends.
CAUTION Make sure that the grounding wire is longer than the phase and neutral wires. Under mechanical stress, the grounding wire must be the last to disconnect from the protective ground terminal. 
Number Wire Wire color (international) Wire color (North America) Maximum wire cross‑section 1 Phase L Brown Black 10 mm2 (8 AWG) 2 Neutral N Blue White 10 mm2 (8 AWG) 3 Grounding PE/GND Yellow/Green Green Solid wire: 10 mm2 (8 AWG)
Stranded wire: 6 mm2 (10 AWG)
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Connect the AC (mains) wires according to the wiring diagram.