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Emperor Stainless Steel Trefoil Cable Cleats

The trefoil variant of the Ellis Patents Emperor cable cleat represents an exceptionally strong, high-specification stainless steel cable cleat designed for installation within the most harsh and demanding of environments.

Approved for use throughout the London Underground network, power transmission networks World-wide and the Petrochemical industry, the Emperor trefoil cleat is renowned for being the de-facto trefoil cleat for single-core cables upto 132kV.

The trefoil variant of the Ellis Patents Emperor cable cleat represents an exceptionally strong, high-specification stainless steel cable cleat designed for installation within the most harsh and demanding of environments.

The Emperor range is manufactured from marine-grade 316L stainless steel with A4 fixings and a LSF Zero Halogen (LSZH) cable protection liner which cushions and protects the cables in the event of a short-circuit occurring.

The preferred trefoil cleat throughout the World for both on-shore and off-shore windfarm installations due to its high strength and extremely high short-circuit capability. The Emperor also features a wide-opening hinge and side-fixing closure bolt enabling easy cable installation, compactness and has a dual-fixing options a standard, enabling either single bolt (M12) or two bolt (M10) fixing options.

  • Meets the International Standard IEC 61914:2009.
  • Short circuit withstand test: 74kA RMS (156kA peak) on 600mm centres.
  • Short circuit withstand test: 80kA RMS (195kA peak) on 300mm centres.
  • Conforms to London Underground Engineering Standard 1-085. Product Approval Register No: 362.
  • PTS ProTect Short-Circuit Cable Straps

    To be used with Ellis Emperor trefoil cable cleats, ProTect short-circuit cable straps are available.


    FlexiStrap Trefoil Cable Strap - Heavy Duty

    Designed to augment installation of the Ellis Emperor range of stainless steel trefoil cleats, heavy-duty variant of the stainless steel Ellis FlexiStraps are also available.


    M10 and M12 trefoil cleat fixing kits

    Both M10 and M12 trefoil cleat fixing kits can be ordered. Enabling easy fixing of the cleat to 41mm wide steel channel or cable ladder rungs. If securing the cleat via 2 x M10 bolts please order 2 fixing kits.
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Emperor Stainless Steel Trefoil Cable Cleats

Order Reference Product Name Qty
ER 23-28 Emperor Stainless Steel Trefoil Cleat (23-28mm OD)
ER 27-32 Emperor Stainless Steel Trefoil Cleat (27-32mm OD)
ER 30-35 Emperor Stainless Steel Trefoil Cleat (30-35mm OD)
ER 33-38 Emperor Stainless Steel Trefoil Cleat (33-38mm OD)
ER 36-42 Emperor Stainless Steel Trefoil Cleat (36-42mm OD)
ER 40-46 Emperor Stainless Steel Trefoil Cleat (40-46mm OD)
ER 44-50 Emperor Stainless Steel Trefoil Cleat (44-50mm OD)
ER 48-55 Emperor Stainless Steel Trefoil Cleat (48-55mm OD)
ER 51-58 Emperor Stainless Steel Trefoil Cleat (51-58mm OD)
ER 55-62 Emperor Stainless Steel Trefoil Cleat (55-62mm OD)
ER 59-66 Emperor Stainless Steel Trefoil Cleat (59-66mm OD)
ER 63-70 Emperor Stainless Steel Trefoil Cleat (63-70mm OD)
ER 67-74 Emperor Stainless Steel Trefoil Cleat (67-74mm OD)
ER 71-78 Emperor Stainless Steel Trefoil Cleat (71-78mm OD)
ER 74-82 Emperor Stainless Steel Trefoil Cleat (74-82mm OD)
ER 77-85 Emperor Stainless Steel Trefoil Cleat (77-85mm OD)
ER 82-88 Emperor Stainless Steel Trefoil Cleat (82-88mm OD)
ER 88-96 Emperor Stainless Steel Trefoil Cleat (88-96mm OD)
ER 96-103 Emperor Stainless Steel Trefoil Cleat (96-103mm OD)
ER 103-111 Emperor Stainless Steel Trefoil Cleat (103-111mm OD)
ER 111-119 Emperor Stainless Steel Trefoil Cleat (111-119mm OD)
ER 119-128 Emperor Stainless Steel Trefoil Cleat (119-128mm OD)
Order Reference OD Minimum OD Maximum
ER 23-28 23.0mm 28.0mm
ER 27-32 27.0mm 32.0mm
ER 30-35 30.0mm 35.0mm
ER 33-38 33.0mm 38.0mm
ER 36-42 36.0mm 42.0mm
ER 40-46 40.0mm 46.0mm
ER 44-50 44.0mm 50.0mm
ER 48-55 48.0mm 55.0mm
ER 51-58 51.0mm 58.0mm
ER 55-62 55.0mm 62.0mm
ER 59-66 59.0mm 66.0mm
ER 63-70 63.0mm 70.0mm
ER 67-74 67.0mm 74.0mm
ER 71-78 71.0mm 78.0mm
ER 74-82 74.0mm 82.0mm
ER 77-85 77.0mm 85.0mm
ER 82-88 82.0mm 88.0mm
ER 88-96 88.0mm 96.0mm
ER 96-103 96.0mm 103.0mm
ER 103-111 103.0mm 111.0mm
ER 111-119 111.0mm 119.0mm
ER 119-128 119.0mm 128.0mm