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Insulation Piercing Connectors

TTD281F Insulation Piercing Connector

TTD281F Insulation Piercing Connector for overhead cable branching. Confirm main conductor and branch conductor sizes and request model-specific information from GRL.

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TTD281F Insulation Piercing Connector overview

The TTD281F Insulation Piercing Connector is listed in the GRL range for overhead cable branching. Use the model-specific information below to compare main conductor and branch conductor sizes, conductor material and insulation compatibility and installation and sealing requirements before selecting a configuration.

These standards include tests to verify reliable operation even in the harshest environments:

Designed for installation from –20 °C up to +50 °C

  • No limitation of mechanical loads for main and branch conductors
  • Shear head forces are adapted to the required contact forces for each application (main, service, lightning)
  • Voltage withstand to 6 kV in a 30 cm water bath
  • No change in contact resistance and temperature after overloads and load cycling
  • Voltage withstand to 6 kV in metallic balls after heavy weathering exposure (UV-light, humidity and temperature cycling)
  • Corrosion resistance of the metal parts has been proven in the salt fog chamber and wet SO2 gas chamber

Key Features

  • Range-taking
  • Suitable for XLPE, PE or PVC conductors
  • Waterproof
  • Captive and flexible end caps
  • All components are solid and fixed in place
  • Equipped with shear head to ensure a reliable tightening torque
  • Operating temperature -55°C to +55°C
  • Installation temperature -20°C to +55°C
  • Can be installed on energized main if not under load
Model Main line section Branch section No.Bolt
TTD121F 25-95 2.5-25 1
TTD151F 25-95 (2.5)6-35 1
TTD201F 35-95 25-95 1
TTD281F 50-185 6-35 1
TT2D82F 25-95 25-35 1
TTD451F 95-240 95-240 2

TTD281F Insulation Piercing Connector

Selecting TTD281F Insulation Piercing Connector

Before requesting a quotation, confirm main conductor and branch conductor sizes, conductor material and insulation compatibility and installation and sealing requirements. Send the exact model, quantity and installation details so the configuration and document set can be checked against your project.

Compare the insulation piercing connectors range, including TTD201F Insulation Piercing Connector; TTD282F Insulation Piercing Connector. For drawings and order-specific questions, send your product requirements to GRL.

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