Aluminium Cable Lugs LV MV HV 11kV-33kV

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Aluminium Cable Lugs LV MV HV 11kV-33kV

Aluminium Cable Lugs LV MV HV 11kV-33kV

Aluminium Lugs

Cembre AA-M

Cembre AA-M series of cable connector lugs are made from aluminium of a purity equal to or greater than 99.5% – designed to terminate aluminium conductors including low stranded compacted conductors to BS6360 (withdrawn) and replacement standard BS EN 60228:2005 (Specification for Conductors in Insulated Cables).

Sectoral aluminium cable conductors require pre-rounding prior to introduction of the cable to the terminal lug – aluminium cable lugs are suitable for connecting LV and MV aluminium cables, 11kV-33kV, up to 630sqmm.

The internal surface of the cable lug is protected against oxidation with the inclusion of a specific grease with an exceptionally high dropping point – the solid construction cable lugs are water-blocked without inspection holes and suitable for both indoor and outdoor applications on switchgear, transformer or pole-mounted installations up to 33kV.

Aluminium Cable Lugs LV MV HV 11kV-33kV

Aluminium Cable Lugs – Cembre AA-M

Cembre AA-M aluminium lugs

  • Designation – AL 99.50
  • Standard – DIN 1712/1976Teil 3
  • Electrical Resistance at 20ºC (p, n• cm)  – 2.874
  • Breaking Resistance (N/mm2)  – 85 ÷ 129
  • Stretching at 5% – 10 + 23

Solar Cable lug terminations

Cable lugs are suitable for terminating 1500V solar cables with aluminium conductors to class 2 based on EN 60228 and IEC 60228 – used to terminate solar cables for interconnecting power supply to solar arrays.

Solar Cables EN50618

EN50618 Solar Cables

Cable lugs available to suit the following aluminium conductor cables:

  • NAYY Aluminium Conductor PVC PVC – 0.6/1kV Cable
  • NA2XY Aluminium Conductor XLPE PVC – 0.6/1kV Cable
  • NA2XSY Aluminium Conductor XLPE PVC – 18/30 (36)kV Cable

Aluminium Cable Lugs LV MV HV 11kV-33kV

Cembre Lug Part Ref Aluminium Conductor Size sqmm Upper Adaptor Lower Adaptor Cembre Crimping Tool Cembre Crimping Die Set Pre-rounding Die Set Indentor Ø Stud mm Øi B M N L d
AA 16-M 8 16 AU 130-150 AC 130-P HT 131-C MK16-C  – PS 130-35/E 8 5,5 21 13 11 77,0 8,4
AA 25-M 8 25 HT 131-C MK16-C UP 130-25 8 6,5 21 13 11 77,0 8,4
AA 35-M 8 35 HT 131-C MK20-C UP 130-35 8 8,0 23 13 11 77,5 8,4
AA 35-M 10 HT 131-C MK20-C UP 130-35 10 8,0 23 13 11 77,5 10,5
AA 50-M 12 50 HT 131-C MK20-C UP 130-50 PS 130-95/E 12 9,0 26 16 14 91,0 13,2
AA 50-M 14 HT 131-C MK20-C UP 130-50 14 9,0 26 18 16 95,0 15,0
AA 70-M 12 70 HT 131-C MK20-C UP 130-70 12 11,0 27 16 14 91,0 13,2
AA 70-M 14 HT 131-C MK20-C UP 130-70 14 11,0 27 18 16 95,0 15,0
AA 95-M 12 95 HT 131-C MK20-C UP 130-95 12 12,5 27 16 14 91,0 13,2
AA 95-M 14 HT 131-C MK20-C UP 130-95 14 12,5 27 18 16 95,0 15,0
AA 120-M 12 120 HT 131-C MK25-C UP 130-120 PS 130-150/E 12 13,7 35 16 14 115,0 13,2
AA 120-M 14 HT 131-C MK25-C UP 130-120 14 13,7 35 18 16 119,0 15,0
AA 150-M 12 150 HT 131-C MK25-C UP 130-150 12 15,5 34 16 14 115,0 13,2
AA 150-M 14 HT 131-C MK25-C UP 130-150 14 15,5 34 18 16 119,0 15,0
AA 185-M 12 185 AU 130-240 HT 131-C MK32L-C UP 130-185 12 17,0 42 20 14 122,0 13,2
AA 185-M 14 HT 131-C MK32L-C UP 130-185 14 17,0 42 22 16 126,0 15,0
AA 240-M 12 240 HT 131-C MK32L-C UP 130-240 PS 130-240/E 12 19,5 44 20 14 122,0 13,2
AA 240-M 14 HT 131-C MK32L-C UP 130-240 14 19,5 44 22 16 126,0 15,0
AA 300-34 M 12 300 HT 131-C MK34L-C UP 130-300 12 22,5 47 22 14 130,0 13,2
AA 300-34 M 14 HT 131-C MK34L-C UP 130-300 14 22,5 47 22 16 132,0 15,0
AA 300-34 M 16 HT 131-C MK34L-C UP 130-300 16 22,5 47 22 17 133,0 17,0
AA 300-M 16 HT 131-C MK34L-C UP 130-300 16 23,3 54 19 17 172,0 17,0
AA 400-M 16 400 HT 131-C 16 26,0 56 19 17 172,0 17,0
AA 500-40 M 16 500 HT 131-C 16 29,1 57 22 19 177,0 17,0
AA 630-M 16 630 HT 131-C 16 32,5 70 22 19 177,0 17,0

➡ For information about crimping tools for aluminium cable lugs please see Cembre HT131-C.

ELECTRICAL CONNECTORS ON ALUMINIUM CONDUCTORS BY DEEP STEP INDENTING – Installation
  1. After unsheathing and stripping the aluminium conductor,reduce it to a round and compact shape using the Cembre pre-rounding die set appropriate to this conductor size in any shape or stranding format (FIG.1 below)
  2. Introduce the aluminium conductor into the selected connector or cable lug
  3. Select the suitable Cembre die MV.. and the indentor P5730…appropriate to the connector to be crimped and locate them carefully in the hydraulic press head
  4. lndent the aluminium connector in the sequence shown below (FIG.2). For a through connector indent the outer positions first, followed by the inner positions. For a cable lug indent the position near the conductor first, followed by the position near the palm.
  5. After indenting the aluminium cable lug or connector, fill the indents with the compound provided with each connector

It’s important to follow the sequence shown in order to obtain the correct conductor fill coefficient essential for producing a stable electrical connection on aluminium conductors.

Aluminium Cable Lugs LV MV HV 11kV-33kV - Installation

Aluminium Cable Lugs LV MV HV 11kV-33kV – Installation

➡ See also copper cable lugs for 11kV-33kV medium and high voltage cable connections and terminations – aluminium splice connectors are used to joint LV-HV cables in heat shrink, cold shrink and push-on type high voltage cable joints.

Aluminium Cable Lugs LV MV HV 11kV-33kV - Dimensions

Aluminium Cable Lugs Dimensions

➡ T&D are Main Distributors for Cembre stocking a complete range of cable cutting and crimping tools.Cembre - Cable Crimpers Cutters Lugs Splices

Contact T&D to discuss crimping cables at MV-HV, including 11kV-33kV, to ensure correct Cembre tool, lug/splice and die set selection – visit battery crimping tools for repetitive crimping of cables without strain injury or worker fatigue.

Full range of battery cable cutting tools also available.