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Cyclone Strap Intermediate restraint

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 for further information
Type6.1.3 Composite Strap
Design SpecificationIEC 61914
Temperature for permanent application-50°C to +60°C
IEC 61914 clause / part 6.2
Needle Flame TestPass - 120 second flame application time,
IEC 61914 clause 10.0, 10.1, IEC 60695-11-5
Lateral Load TestSingle - 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 TestIEC 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 ResistancePass - Very Heavy
IEC 61914 clause 6.3, 6.3.5, 9.2
Material316L 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 ColourSilver / Grey

Product Selection Table

Click here to view Technical Illustration

Technical Illustration

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 - 1.9690.945 - 1.3390.827 - 1.1422.8742.6383.1502118.96
2STR0300413STR0300411.772 - 2.3621.181 - 1.6141.024 - 1.3783.4253.1893.1502309.42
2STR0370473STR0370472.165 - 2.7171.457 - 1.8501.260 - 1.5753.8193.6613.15024710.62
2STR0430543STR0430542.520 - 3.1501.693 - 2.1261.457 - 1.8114.4494.1733.15026511.29
2STR0500603STR0500602.953 - 3.4651.969 - 2.3621.693 - 2.0084.9214.6463.15028011.85
2STR0560673STR0560673.268 - 3.8982.205 - 2.6381.929 - 2.2445.4725.1573.15030013.30
2STR0630733STR0630733.701 - 4.2522.480 - 2.8742.165 - 2.4415.9455.5913.15031613.58
2STR0690803STR0690804.055 - 4.6462.717 - 3.1502.362 - 2.6776.4966.1423.15033414.85
2STR0720853STR0720854.488 - 5.9052.835 - 3.3462.598 - 2.8346.8906.4963.15034815.13
2STR0820953STR0820955.708 - 6.4963.228 - 3.7402.755 - 3.1887.6777.2833.15037516.40
2STR0921053STR0921053.622 - 4.1342.755 - 3.1888.4658.0323.15040217.71
2STR1021153STR1021154.016 - 4.5283.464 - 3.8589.2528.7803.15042919.37
2STR1121253STR1121254.409 - 4.9213.779 - 4.21210.0399.5673.15045620.74
2STR1221353STR1221354.803 - 5.3154.133 - 4.56610.82710.3153.15048321.83
2STR1321453STR1321455.197 - 5.7094.448 - 4.88111.61411.0833.15051023.18
Cyclone II Strap Part No.Cyclone III Strap Part NoCable Ø Range Take (mm)Dimensions (mm)II Strap Weight (g)III Strap Weight (g)
SingleTrefoilQuadWHD
2STR0240343STR02403436-5024-3421-29736780211254
2STR0300413STR03004145-6030-4126-35878180230267
2STR0370473STR03704755-6937-4732-40979380247301
2STR0430543STR04305464-8043-5437-4611310680265320
2STR0500603STR05006075-8850-6043-5112511880280336
2STR0560673STR05606783-9956-6749-5713913180300377
2STR0630733STR06307394-10863-7355-6215114280316385
2STR0690803STR069080103-11869-8060-6816515680334421
2STR0720853STR072085114-15072-8566-7217516580348429
2STR0820953STR082095145-16582-9570-8119518580375465
2STR0921053STR09210592-10570-8121520480402502
2STR1021153STR102115102-11588-9823522380429549
2STR1121253STR112125112-12596-10725524380456588
2STR1221353STR122135122-135105-11627526280483619
2STR1321453STR132145132-145113-124295281.580510657