Specializing in the production of insulation products

40.5KV Medium Altitude Shielded Contact Box – CH3 40.5-308P/730 3000m 235kV Lightning Impulse 630-2500A

Description:

CH3 40.5-308P/730 40.5KV Medium Altitude Shielded Contact Box: 3000m altitude rated, 235kV lightning impulse withstand, 630-2500A air insulation series, KYN28-12/24/61 VD4 switchgear.

Applications:

  • Medium Altitude Power Systems: Highland substations and elevated infrastructure at 3000m, featuring 235kV lightning impulse withstand (27% higher protection) and 122kV power frequency withstand for reliable medium altitude insulation performance
  • Highland Climate Switchgear: KYN28-12/24/61 VD4 indoor switchgear in elevated regions with 1.1UR≤3pC partial discharge and 20mm/kV creepage distance for enhanced reliability
  • Industrial Highland Operations: Manufacturing and mining facilities at medium elevation requiring 630-2500A capacity with V1 UL94 flame rating

Specifications

40.5KV Medium Altitude Shielded Contact Box - CH3 40.5-308P730 3000m 235kV Lightning Impulse 630-2500A

Selection Drawing No. Mounting Distance
CH3 40.5-308P/730
5RA35.012.105 420/430/440

Features

Ietm Value Unit
Rated Voltage 40.5 kV
Rated Current 630-2500 A
PF 122 kV/1 min
PD 1.1UR≤3 pC
Lightning Impulse Withstand Voltage 235 kV
PT 1A2.5
TG 105±5 °C
Flame Rating V1 UL94
V0 special needs
Creepage than from 20 mm/kV
Color 3009 RAL

Manual

CH3-40.5-308P730-Shielded-Contact-Box.pdf
PDF File 2.69 MB

Let The World Know About Bepto

Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.

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