(N)TMCGC11Y Screened Single-Core MV Switchgear Cable

(N)TMCGC11Y is a screened single-core medium-voltage cable for short connections in switchgear or transformer rooms where terminal space and the route’s bend radius need close attention. The supplied construction uses a finely stranded Class 5 tinned-copper main conductor, EPR insulation between semiconductive stress-control layers, spirally applied tinned-copper protective wires and a red PUR outer sheath. Its source catalogue lists a 3.6/6 to 18/30 kV voltage family and gives complete size data specifically for 6/10 and 12/20 kV.

Start selection with the circuit voltage and conductor/protective-wire size, then check the available enclosure space against the listed outer-diameter band. The source distinguishes a fixed route from free movement: their bending radii and ambient limits differ. The quoted current table has its own free-air reference arrangement, so the circuit rating must be recalculated for the real installation. Confirm the screen and earthing arrangement, termination dimensions and project standard before ordering.

The similar-looking (N)TMCGCW11Y crane cable has a different published construction and movement application; choose by the exact designation and drawing. Browse the industrial cable range for adjacent power designs. See the Specifications tab for the source-backed size matrix.

Construction

The (N)TMCGC11Y construction combines a tinned-copper conductor, semiconductive field-control layers, EPR insulation and protective copper wires. The tinned-copper protective wires are a separate specified layer; confirm the required protective-conductor and screen termination design on the project drawing.

Applications

Use the (N)TMCGC11Y construction as a candidate for short MV links between switchgear and transformers, especially where the connection route has constrained bending space. Check whether the installed route is fixed or experiences movement; the source gives different temperature and bend values for those duties.

• Switchgear bay and transformer-house links after voltage, current and screen-bonding review.
• Industrial indoor or outdoor routes where the specified red PUR sheath and environmental requirements match the actual duty.
• Compare the (N)TMCGCW11Y cable where the application is a crane or other moving-equipment connection.

For a quote, specify U₀/U, main conductor/protective-wire section, length, movement duty, installation layout and termination arrangement.

Specifications

(N)TMCGC11Y catalogue reference ratings cover 3.6/6–18/30 kV. The supplied size tables cover 6/10 and 12/20 kV only. Do not assume that a size in those two tables is available at every other voltage.

(N)TMCGC11Y 6/10 kV catalogue size reference

(N)TMCGC11Y 12/20 kV catalogue size reference

Reference current figures use conductor 90 °C, ambient 30 °C, free air, IEC 60364-5-52 installation method F, three loaded conductors in trefoil. Confirm derating, bonding and earth-fault duty for the actual circuit. Conductor resistance is shown in Ω/km at 20 °C.

Standards

Design references for (N)TMCGC11Y include DIN VDE 0250-813 and DIN EN/IEC 60228 for the Class 5 copper conductor, DIN VDE 0207-20 for the EPR compound, DIN VDE 0298-4 for derating, DIN EN/IEC 60811-404 for oil-resistance testing and DIN EN/IEC 60332-1-2 for single-cable flame behaviour. AC test voltages for each rated-voltage grade appear in Specifications.

Specify the applicable project edition, acceptance tests, terminal system and delivered documentation with the final construction drawing.