The Paprsky Trefoil Clamp is a high-strength containment solution engineered to maintain the structural and electrical integrity of three-phase power systems. Designed for the most demanding utility and industrial environments, this clamp enforces a precise trefoil formation for single-core cables, effectively neutralizing electromagnetic forces and reducing inductive heating. Built to withstand the violent mechanical stresses of extreme short-circuit events, it acts as an immovable anchor for both low and high-tension conductors. Whether deployed on transmission towers, in substations, or across massive renewable energy arrays, this clamp provides the brutal reinforcement necessary to prevent cable migration and system failure under peak electrical loads.
Technical Data
| Specification | Detail |
| Material | Polymer Non-FR |
| Clamp Accessories | 3 MS Zinc Passivized Plated bolts, nuts, Plain washers |
| Optimal Usage | 3 Single core cables to be arranged in the clamps in a trefoil configuration |
| Conductor Material | Annealed Copper / Aluminium |
| Specification | Detail |
| Material Properties | PP |
| Mechanical Flexural Modulus (23°C-2 mm/min) MPa | 3400 |
| Mechanical Tensile stress at yield (23°C-5 mm/min) MPa | 70 |
| Izod impact strength 23 °C (ISO 180/1A) KJ/m² | 13 |
| HDT A(1.8 MPa), °C | 50-140 |
| Minimum service temperature, °C | -30 to -5 |
| Specification | Detail |
| Sectional Area (mm²) | 1x300 |
| Cable Outer Diameter (mm) (± 0.5% tolerance in dimensions) | 48 mm |
| Specification | Detail |
| Short Circuit Current (kA) Peak | 125.4 |
| Short Circuit Current (kA) RMS | 50.6 |
| Duration (sec) | 1:00 |
| Observations during test | No Abnormality |
Specifications
- Brand: Paprsky (Best Choice for Cable Management)
- Mechanical Flexural Modulus: 3400 MPa ($23^\circ C-2$ mm/min)
- Mechanical Tensile Stress: 70 MPa (at yield)
- Izod Impact Strength: 13 (ISO 180/1A)
- Heat Deflection Temperature (HDT A): $50-140^\circ C$ (1.8 MPa)
- Operating Temperature Range: to (Minimum service)
- Hardware: Includes 3 MS Zinc Passivized Plated bolts, nuts, and plain washers
Key Features
- Elite Short-Circuit Resistance: Engineered and tested to handle a massive 125.4 kA peak current, preventing catastrophic cable displacement during electrical faults.
- Electromagnetic Neutralization: Forces cables into a perfect trefoil geometry to minimize heat generation and electromagnetic interference in high-current circuits.
- Industrial Polymer Strength: High flexural and tensile properties ensure the clamp remains rigid and fracture-resistant under constant mechanical vibration and environmental stress.
- Precision Engineered Fit: Specifically optimized for 48mm OD conductors with a triple-bolt clamping system for high-velocity, secure installation on racks or towers.
Applications
- Securing single-core high-tension (HT) cables on utility transmission towers and substations.
- Managing three-phase cable runs in large-scale Solar PV, Wind, and BESS projects.
- Anchoring heavy-duty conductors in industrial power plants and manufacturing infrastructure.
- Preventing cable whipping and magnetic losses in high-current distribution networks.
Brand Value Proposition
Paprsky delivers the containment hardware that anchors critical power grids. Our trefoil clamps provide brutal stability and elite short-circuit protection—guaranteeing total energy control at maximum speed.