Connecting the AC Cable


Qualified person

Requirements:

  • A suitable medium-voltage transformer must be available. For the SHP 100-21, depending on the local standards and connection conditions, a medium-voltage transformer is not absolutely necessary.

Additionally required material (not included in the scope of delivery):

  • Protective grease (only for conductors made of aluminum)

Procedure:

  1. Ensure that the AC miniature circuit breaker is switched off and that it cannot be reconnected.
  2. Shorten the cable if necessary.
  3. Dismantle the cable.
  4. Strip the insulation on the insulated conductors each by 30 mm (1.2 in).
  5. Remove any cable remnants from the product.
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  7. For conductors made of aluminum, remove any oxide film and apply protective grease to the conductors.
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  9. Connect the grounding conductor to the terminal as labeled. To do so, position the conductor as far as it will go into the corresponding terminal and tighten the screw of the terminal (AF5, torque for a conductor cross-section of 10 mm² to 50 mm²: 12 Nm; torque for a cable cross-section of 1/0 AWG to 6 AWG: 10 Nm (90 in-lb)).
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  11. Connect L1, L2 and L3 to the terminals according to the label. To do so, position each conductor as far as they will go into the corresponding terminal and tighten the screw of the terminal (AF 8, torque for a conductor cross-section of 50 mm² to 95 mm²: 20 Nm; torque for a cable cross-section of 120 mm² to 150 mm²: 30 Nm; torque for a cable cross-section of 300 kcmil to 1 AWG: 24 Nm (216 in-lb)).
  12. Ensure that the correct conductors are assigned to the terminals.
  13. Ensure that all conductors are securely in place.

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