Разрядник Р-27
Arrester, Protective Spark Gap R-27
Limiteur de tension
Überspannungs-Ableiter

Manufactured by • Fabriqué par • Hergestellt von : Ordzhonikidze Plant “Razryad” (“Разряд” = “Discharge”), Vladikavkaz, Republic of North Ossetia – Alania, Russia

Designed to protect wire communication installations from lightning discharges and dangerous overvoltages.

Static breakdown voltage: 310 .. 390 V
Insulation resistance: min. 500 MΩ
Interelectrode static capacitance: max. -10 pF
Anode current in a pulse (in a pulse mode): max. 2000 A
Anode current in a pulse (in continuous mode): max. 2 A
Anode current pulse duration, 50 .. 60 μs
Duration of current flow at a frequency of 50 Hz (through each pair of electrodes): 50 s

Fiche technique • Data sheet • Datenblatt: R-27.pdf

Thanks to Kalle Beljaev who donated this tube.

 

Hauteur • Height • Höhe : 42 mm • 1" 5/8
Diamètre • Diameter • Durchmesser : 18 mm • 11/16"

 

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