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The TTD271FJ Waterproof Insulation Piercing Connector is a high-performance low voltage cable branch clamp designed for safe, quick, and reliable branching of LV insulated conductors. Using precision-engineered piercing teeth, the TTD271FJ Waterproof Insulation Piercing Connector creates a stable electrical contact without stripping cable insulation. Its fully sealed IP67 waterproof structure ensures long-term outdoor durability, making it ideal for LV grids, street lighting, building distribution, and underground cable systems. The TTD271FJ Waterproof Insulation Piercing Connector provides excellent anti-corrosion performance, constant contact pressure, and easy tool-free installation.
Advantages of the TTD271FJ Waterproof Insulation Piercing Connector:
No need to strip insulation; fast and safe connection
IP67 waterproof and anti-corrosion design
Consistent pressure via torque-controlled shear head bolt
Suitable for copper and aluminum LV conductors
Fully insulated body prevents electric shock
Reliable outdoor performance in rain, humidity, dust, salt spray
Outdoor low voltage power distribution
Street lighting branch connections
Residential and commercial LV networks
Underground and overhead LV cable tapping
Temporary and permanent electrical extensions
Waterproof connections in coastal, humid, or dusty environments
How to apply the TTD271FJ Waterproof Insulation Piercing Connector:
Place the main conductor and branch conductor into the connector slots.
Tighten the shear-head bolt until it breaks off, allowing the piercing teeth to penetrate the insulation.
The clamp automatically seals and maintains constant contact pressure.
No tape, grease, or extra tools required.
Insulation Piecring Connector enables quick low-voltage cable branching without stripping insulation.Its waterproof seal and durable,UV-resistant construction ensure reliable performance outdoors.A torque-controlled bolt provides consistent contact pressure for safe,effective connections with both aluminum and copper conductors.
| Type | Main Line (mm²) | Branch Line (mm²) | Max Current (A) | Bolt size | Torqup nut | |
| Quantity | H(mm) | |||||
| TTD041FJ | 6-35 | 1.5-10 | 86 | 1*M8 | 13 | F1309 |
| TTD051FJ | 16-95 | 1.5-10 | 86 | 1*M8 | 13 | F1309 |
| TTD101FJ | 6-50 | 2.5(6)-35 | 200 | 1*M8 | 13 | F1314 |
| TTD151FJ | 25-95 | 2.5(6)-35 | 200 | 1*M8 | 13 | F1314 |
| TTD201FJ | 35-95 | 25-95 | 77 | 1*M8 | 13 | F1318 |
| TTD251FJ | 50-150 | 25-95 | 377 | 1*M8 | 13 | F1318 |
| TTD271FJ | 35-120 | 35-120 | 377 | 1*M8 | 13 | F1318 |
| TTD281FJ | 50-185 | 2.5(6)-35 | 200 | 1*M8 | 13 | F1314 |
| TTD401FJ | 50-185 | 50-150 | 504 | 2*M8 | 13 | F1318 |
| TTD431FJ | 70-240 | 16-95 | 377 | 2*M8 | 17 | F1720 |
| TTD441FJ | 95-240 | 50-150 | 504 | 2*M10 | 17 | F1725 |
| TTD451FJ | 95-240 | 95-240 | 530 | 2*M10 | 17 | F1725 |
| TTD551FJ | 120-400 | 95-240 | 679 | 2*M10 | 17 | F1737 |
The TTD271FJ Waterproof Insulation Piercing Connector is tested for insulation resistance, waterproof sealing (IP67), piercing force, torque performance, heat cycling, corrosion resistance, UV aging, and conforms to IEC and EN standards.
Q1: Can the connector be used for both copper and aluminum cables?
A1: Yes, the TTD271FJ is compatible with Cu/Al conductors.
Q2: Is the connection permanent?
A2: Yes, once the shear bolt breaks, it provides long-term stable pressure.
Q3: Can it be installed in rainy environments?
A3: Yes, its IP67 waterproof rating ensures safe outdoor installation.
Q4: Do I need to strip the cable before installation?
A4: No, installation requires no stripping.
