Lower discharge horns type RRN are designed to create a spark gap that protects the insulators of lightning protection wire suspensions from the effects of electric arcs. The horns are mounted on lugs. Manufactured according to TU 3449-001-52819896-2010.

Technical Specifications

• RRN-55:
  • Mounted on lugs: U1-7-16, U2-7-16, U2-12-16, U2-16-20, U2-21-20
  • Dimensions: height (H) 248 mm, length (L) 66.5 mm, spark gap length (l) 55 mm
  • Weight: 0.38 kg
• RRN-88:
  • Mounted on lugs: U1-7-16, U2-7-16, U2-12-16, U2-16-20, U2-21-20
  • Dimensions: height (H) 248 mm, length (L) 99.5 mm, spark gap length (l) 88 mm
  • Weight: 0.41 kg
• RRN-130:
  • Mounted on lugs: U1-12-16, U1-16-20, U2-30-24
  • Dimensions: height (H) 248 mm, length (L) 141.5 mm, spark gap length (l) 130 mm
  • Weight: 0.44 kg
• RRN-312:
  • Mounted on lugs: U1-12-16, U1-16-20, U2-30-24
  • Dimensions: height (H) 323.5 mm, length (L) 141.5 mm, spark gap length (l) 312 mm
  • Weight: 0.61 kg
• RRN-357:
  • Mounted on lugs: US-7-16, US-12-16, U1-21-20
  • Dimensions: height (H) 368.5 mm, length (L) 141.5 mm, spark gap length (l) 357 mm
  • Weight: 0.65 kg
• RRN-412:
  • Mounted on lugs: US-7-16, US-12-16, U1-21-20
  • Dimensions: height (H) 423.5 mm, length (L) 141.5 mm, spark gap length (l) 412 mm
  • Weight: 0.70 kg
• RRN-470:
  • Mounted on lugs: U1-30-24, US-30-24
  • Dimensions: height (H) 481.5 mm, length (L) 141.5 mm, spark gap length (l) 470 mm
  • Weight: 0.78 kg
• RRN-940:
  • Mounted on lugs: U1-30-24, US-30-24
  • Dimensions: height (H) 951.5 mm, length (L) 141.5 mm, spark gap length (l) 970 mm
  • Weight: 1.27 kg
• RRN-250:
  • Mounted on lugs: U1-30-24, U2-30-24, US-30-24, U1-40-28, US-40-28
  • Dimensions: height (H) 315 mm, length (L) 261.5 mm, spark gap length (l) 250 mm
  • Weight: 0.61 kg
• RRN-750:
  • Mounted on lugs: U1-30-24, U2-30-24, US-30-24, U1-40-28, US-40-28
  • Dimensions: height (H) 761.5 mm, length (L) 261.5 mm, spark gap length (l) 750 mm
  • Weight: 1.06 kg

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