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Cyclone II

Standard Duty 2 Strap Cable Cleat with Stainless Steel Base

The Cyclone II Strap cable cleats are metallic cable cleats consisting of a fabricated 316L stainless steel base and a stainless steel strap which have been designed, constructed, and tested in accordance with the International Standard ‘cable cleats for Electrical Installations’ IEC 61914. The Cyclone II Strap cable cleats ensure the retention and securing of cables, whilst preventing damage to the cable when in normal operation or in the event a short circuit fault condition.

The cable cleats allow a wide range of applications including miscellaneous formations. They have an exceptional overlapping range and give the end user more flexibility when compared to more rigid cable cleats on the market. Each cable cleat is capable of securing various cable
formations, such as single cable (multicore) or single cable in parallel formation, trefoil formation, and quad formation. Suitable for single cable applications diameters from 36mm to 165mm in 10 sizes, in trefoil formation from diameters of 24mm to 145mm in 15 sizes and quad formation from 21mm to 124mm in 15 sizes.

The Cyclone II Strap cable cleat is designed and tested to restrain cables securely during moderate short circuit forces and its straps are designed to wrap around the cables twice.

The Cyclone II base is manufactured from 316L stainless steel, giving the cable cleats high creep strength and excellent corrosion resistance. The Cyclone straps are manufactured in 316L stainless steel providing excellent corrosion resistance, and the tensioned straps act as a coil during short circuit conditions to restrain the cable. The Cyclone strap wraps around the angled Cyclone II stainless steel base ensuring the cables are always kept central, the strap is fastened to a stainless steel pin with a hexagon shaped head at one end allowing fast, easy installation via the use of a ratchet, power tool or other suitable mechanical device.

The Cyclone II Strap cable cleats have one M12 and two M10 fixing clearance holes within the base, allowing versatile installation, and enabling the product to be secured to a variety of mounting surfaces. Due to the design of the Cyclone, the cables do not need to be lifted and placed in to the cable cleat, instead the cables are placed on to the bases and the Cyclone straps then wrap around the cables securing them to the mounting surface of the base.

The Cyclone II cable cleats and Cyclone intermediate straps come with standard liners, which are classified as Low Smoke & Fume (LSF), Zero Halogen (LS0H) and Phosphorus free. A high temperature version of the liner is available by adding HT suffix to the ordering code. The liners help to restrain the cables within vertical applications, providing a layer of protection between the cable sheath and the Cyclone stainless steel strap and base during normal operation where thermal elongation of cables occurs. The liners also prevent the cable from chafing on any mounting surface due to differential movements such as those found in marine and offshore applications, and protect the cable during short circuit conditions.

The Cyclone Straps are designed to be used as an intermediate restraint (where applicable) between two Cyclone cable cleats to bind cables together giving a cost effective, easy application fixing system. Using the Cyclone II and the Cyclone Intermediate Restraints alternatively will dramatically reduce installation time and cost, when compared to alternative cable cleat only solutions.


  • Third party certification to IEC 61914
  • 316L stainless steel base with stainless steel strap
  • Short circuit rating of 151kA peak fault
  • Standard operating temperature -50°C to +40°C
  • Standard liners are LUL approved and are classified as Low Smoke & Fume (LSF), Zero Halogen (LS0H) and Phosphorus Free
  • High temperature liner version with HT suffix available with operating temperature -50°C to +90°C
  • High temperature liners are classified as V0 Flame Retardant Polymer
  • Combined single (M12) and two bolt (M10) base fixing design

Patents granted: AU 2012307291, CN 201280044723.0, DE 2571125, SP 2571125, FR 2571125, HU 2571125, IT 2571125, KR 1663493, NL 2571125, NO 2571125, SG 11201400298Q, TR 2571125, GB 2571125, US 9353892

Cyclone II Short Circuit Testing to IEC 61914 – Clause 9.5
Trefoil Formation
One short circuit One short circuit w/ Cyclone strap Two short circuits Two short circuits w/ Cyclone strap
fixed cleat centres 300mm 300mm 600mm 1200mm 600mm 600mm 600mm
0.1 sec 1 sec 1 sec 0.1 sec 0.1 sec 1 sec 0.1 sec
151kA Peak 80kA Peak 75kA Peak 125kA Peak 120kA Peak 70kA Peak 114kA Peak
68.6kA RMS 35.6kA RMS 34.8kA RMS 56.8kA RMS 54.5kA RMS 32.8kA RMS 51.8kA RMS
300mm Cyclone II (0.1 sec)
Cable OD (mm) Peak kA
36 151.0
38 155.1
43 165.0
59 193.3
65 202.9


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