-40%

Vintage RB-280 Gas-filled Surge barium spark gap tube argon discharge arrester

$ 10.04

  • Brand: USSR
  • Country/Region of Manufacture: Russian Federation
  • Model: RB 280
  • Seller Notes: “Were in use. There are traces of rust on the plinth. As is”
  • Type: arrester

Description

Good condition for his age. Were in use. There are traces of rust on the plinth A rare item for a collection Made in USSR in 1965 Two he mispherical cups made of iron-molybdenum alloy, coated with activated barium oxide. Arresters of the RB-280 type are connected between the wire and the ground and are triggered when the induced voltage relative to the ground exceeds their discharge voltage. Designation: R - arrester; B - barium; 280 V - average discharge voltage. Deviation is allowed ± 30 V. The spark gap consists of a flask in which 2 electrodes are placed, which include barium. The flasks are filled with argon. Breakdown voltage, V: at constant current ... .. 280 ± 30 pulse ... ....... 530 Current carrying capacity, A: frequency 50 Hz for 10 s ... .......... 30 with a current wave with a duration of 60 μs ... ....... 4500 Insulation resistance between terminals, MOhm, not less ... ......... 40 Interelectrode capacitance, pF, not more ... ............... 40 Overall dimensions, mm ... ............... 200 * 96 Weight, g ... .......... 125 Combined shipping is accepted Contact me via message for any question Shipping time - 10-30 days Item will be shipped immediately after payment. Thing will be securely packed. Delivery from Ukraine by postal service. Thanks for looking!