Service Clamp STB

Product information:

Anchor clamp STB, also called LV ABC service clamp, is intended to be used with insulated service lines with 2 conductors of overhead low voltage cable line up to 6 KV in low voltage wiring. LV ABC clamp is self-adjusting compared to bolted clamps, which simplify the installation process of power cable management,  and allows installations of closed drive hooks, pole brackets and other low voltage cable fittings, low voltage cable clamps and hardware.

The low voltage clamp STB consists of metal hanger, plastic body and self-adjusting plastic wedges which clamp the conductors without damaging its insulation. The metal hanger allows installations of clamps on a bracket or hooks. LV ABC tension clamps and LV ABC brackets.

Service clamp STB is made of UV resistant polymer and hot dip galvanized steel hook.

STB clamp can be supplied either separately or together as assembly with other needed Low voltage cable fittings, brackets, hooks, insulated piercing connectors, that are in Jera LV ABC fittings product range.

Technical specification: 

Product code

 Cable size, mm2

 MBL, kN

 Weight, kg





Product Detail


Other Low voltage aerial tension clamps are easily to be pick up according to mechanical resistance and diameter of cables’ wire of messenger. Anchor clamps can be installed on dead-end, double dead-ending cable routes. Service clamps design allows withstand a sufficient load without cable slip on electric cable.

All the assemblies of low voltage tension clamps passed the tensile tests, operation experience with temperatures ranging from – 30 °C up to +50 °C test, temperature cycling test, aging test, corrosion resistance test etc.

Analogs: clamp DN1, PA 16-35/2, PA 25×100, SM-157, PA25

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