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Cyclone Strap Intermediate restraint

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Cyclone Straps are metallic intermediate restraints consisting of a 316L stainless steel strap complete with standard liners which have been designed, constructed, and tested in accordance with the International Standard ‘cable cleats for Electrical Installations’ IEC 61914.

The standard liners supplied are classified as Low Smoke & Fume (LSF), Zero Halogen (LS0H) and Phosphorus Free.

Intermediate restraints are cable retaining devices that can be used in conjunction with cable cleats to hold the cables together in order to provide resistance to electromechanical forces.

Cyclone II Intermediate restraints (2STR) are designed to wrap around the cables twice to provide resistance required for moderate short circuit faults, whilst the Cyclone III intermediate restraints (3STR) are designed to wrap around the cables three times to provide the resistance needed during high fault short circuit conditions.

Using intermediate restraints between each cable cleat reduces installation time and cost when compared to alternative cleat only systems for use in trefoil or quad formations. CMP has tested the Cyclone strap range in accordance to IEC 61914 and is certified to offer these for use with any trefoil cable cleats.

Features 

  • Reduces installation cost
  • Reduces installation time
  • For trefoil and quad installations
  • Third party certification to IEC 61914
  • Lightweight 316L stainless steel strap
  • Sunlight (UV) resistant
  • 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
Short Circuit Testing to IEC 61914 - Clause 9.5
Short circuit tested and certified for use with all CMP cable cleats. Refer to CMP Products Texas Inc. for further information
Type 6.1.3 Composite Strap
Design Specification IEC 61914
Temperature for permanent application -50°C to +60°C
IEC 61914 clause / part 6.2
Needle Flame Test Pass - 120 second flame application time,
IEC 61914 clause 10.0, 10.1, IEC 60695-11-5
Lateral Load Test Single - 5.5kN - 20kN 2STR and 6.5kN - 22kN 3STR,
IEC 61914 clause 9.3
Trefoil - Refer to CMP Products,
2STR and 3STR IEC 61914 clause 9.3
Axial Load Test IEC 61914 clause 9.4,
Single - 0.4kN - 0.6kN 2STR and 0.4kN 3STR
IEC 61914 clause 9.4,
Trefoil - 0.4kN 2STR and 0.4kN 3STR
Impact Resistance Pass - Very Heavy
IEC 61914 clause 6.3, 6.3.5, 9.2
Material 316L Stainless Steel Strap with Standard Liner
Standard liners are classified as Low Smoke & Fume (LSF), Zero Halogen (LS0H) and Phosphorus Free. HT liners are classified as V0 Flame Retardant Polymer.
Material Colour Silver / Grey
UL Certificate E524310
UL Compliance Standards UL 1565, CSA C22.2 No. 18.5-13

Product Selection Table

Cyclone II Strap Part No.Cyclone III Strap Part NoCable Ø Range Take (in.)Dimensions (in.)II Strap Weight (g)III Strap Weight (g)
SingleTrefoilQuadWHD
2STR0240343STR0240341.417 - 1.969 0.945 - 1.339 0.827 - 1.142 2.8742.6383.1502118.96
2STR0300413STR0300411.772 - 2.362 1.181 - 1.614 1.024 - 1.378 3.4253.1893.1502309.42
2STR0370473STR0370472.165 - 2.717 1.457 - 1.850 1.260 - 1.575 3.8193.6613.15024710.62
2STR0430543STR0430542.520 - 3.150 1.693 - 2.126 1.457 - 1.811 4.4494.1733.15026511.29
2STR0500603STR0500602.953 - 3.465 1.969 - 2.362 1.693 - 2.008 4.9214.6463.15028011.85
2STR0560673STR0560673.268 - 3.898 2.205 - 2.638 1.929 - 2.244 5.4725.1573.15030013.30
2STR0630733STR0630733.701 - 4.252 2.480 - 2.874 2.165 - 2.441 5.9455.5913.15031613.58
2STR0690803STR0690804.055 - 4.646 2.717 - 3.150 2.362 - 2.677 6.4966.1423.15033414.85
2STR0720853STR0720854.488 - 5.9052.835 - 3.346 2.598 - 2.8346.8906.4963.15034815.13
2STR0820953STR0820955.708 - 6.4963.228 - 3.740 2.755 - 3.1887.6777.2833.15037516.40
2STR0921053STR0921053.622 - 4.134 2.755 - 3.1888.4658.0323.15040217.71
2STR1021153STR1021154.016 - 4.528 3.464 - 3.8589.2528.7803.15042919.37
2STR1121253STR1121254.409 - 4.921 3.779 - 4.21210.0399.5673.15045620.74
2STR1221353STR1221354.803 - 5.315 4.133 - 4.56610.82710.3153.15048321.83
2STR1321453STR1321455.197 - 5.709 4.448 - 4.88111.61411.0833.15051023.18

Technical Illustration