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Application: from the ground, by hanging the phase clamp on the round section conductor, followed by the tightening of the clamp driving screw.
Classic / automatic phase clamps must be handled using an insulating stick according to the voltage of the installation, provided with “RO bayonet’’ coupling system.
Constructive phase clamps:
Packing: waterproof bag.
– Multipurpose modular insulating stick type PMU 110-2 B/ba / PMU 220-2 B/ba / PMU 400-3 B/ba
|General technical characteristics of short-circuiting devices applicable on rectangular cross-section bars|
|Earthing cable cross-section Sp (mm2)||16||25||35||50||70||95||120|
|Nominal short-circuit current for t = 1s Isc (kA)||4||6.25||8.75||12.5||17.5||23.75||30|
|Shock (peak) nominal current for t = 0,02 s Isd (kA)||10||15.63||21.9||31.25||43.75||59.38||75|
|Test short-circuit current for t = 1s (kA)||4.6||7.2||10.06||14.38||20.13||27.31||34.5|
|Test (shock) current for t = 0,02 s (kA)||11.5||17.97||25.16||35.94||50.31||68.3||86.25|
|Power factor (according to SR EN 61230) 2,5|
|Phase clamp type||Classic clamp (C)||Automatic clamp (CA)|
|Diameter of the conductor where the phase clamp
can be applied ØD
|Maximum length of the earthing cable lp (m)|
|cable with a cross-section of 16 to 70 mm2||17.5||17.5|
|cable with a cross-section of 95 or 120 mm2||10||8|
Constructive types of phase clamps: