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Elbow Surge Arrester Loadbreak Elbow Connector
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Elbow Surge Arrester Loadbreak Elbow Connector

Elbow surge arrester offers shielded deadfront arrester protection with metal oxide varistor elbow, along with parking stand arresters. It allows the installation on standard separable connector bushings and its primarily used to protect underground distribution systems.

The installation is done at the open point of underground system to avoid doubling of the voltage wave. It can also be installed at the middle point to harmlessly discharge voltage reflections from the open point arrester.

Constructed from peroxide cured EPDM rubber, the housing of elbow surge arrester is completely shielded with a molded conductive EPDM jacket to facilitate the concept of dead front. The EPDM rubber is also fully submersible for various applications.

The designs of 27kV, 18kV and 10kV rated arresters are used on nominal 35kV, 25kV and 15kV UD systems, respectively. These three ratings entail standard ANS/IEEE 386 separable connector interface designs whose compatibility aligns with each voltage level of major interface suppliers.

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Product Details

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Load break Elbow Connector is a fully-shielded and insulated plug­in termination for connecting underground cable to distribution power system of pad-mound transformer, surrounding power supply branch box, cable branch box equipped with load break bushings. The elbow connector and bushing insert comprise the essential components of all load break connections. It can meet the demand of lines in nuclear.

The Load break Elbows are molded using high quality sulfur-cured insulation and semi-conduction EPDM rubber. Standard features include a copper connector. tin-plated copper load break probe with an ablative arc-follower tip and stainless steel reinforced pulling-eye. An optional capacity test point,made of corrosion resistance plastic is available for Use with fault indicators. 

15kV 200A Load break Elbow Connector

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25kV 200A Load break Elbow Connector

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Model.  Conductor Cross Section(mm²) Stretch range over insulation(mm)
DR ZT-15/200-35 35 16.3-19.9
DR ZT-15/200-50 50 16.3-19.9
DR ZT-15/200-70 70 19.8-23.5
DR ZT-15/200-95 95 23.1-27.1
DR ZT-15/200-120 120 23.1-27.1
DR ZT-15/200-150 150 23.1-27.1
DR ZT-25/200-50 50 23.1-27.1
DR ZT-25/200-70 70 27.6-30.6
DR ZT-25/200-95 95 27.6-30.6
DR ZT-25/200-120 120 30.6-31.6
DR ZT-25/200-150 150 30.6-31.6