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40.5KV High Altitude Shielded Contact Box – CH3 40.5-310P/730 4000m 267kV Lightning Impulse 630-2500A

Description:

CH3 40.5-310P/730 40.5KV High Altitude Shielded Contact Box: 4000m altitude rated, 267kV lightning impulse withstand, 630-2500A air insulation series, KYN28-12/24/61 VD4 switchgear.

Applications:

  • High Altitude Power Systems: Mountain substations and plateau infrastructure at 4000m elevation, featuring 267kV lightning impulse withstand (44% higher protection) and 137kV power frequency withstand for superior thin air insulation performance
  • Extreme Climate Switchgear: KYN28-12/24/61 VD4 indoor switchgear in harsh mountainous regions with 1.1UR≤3pC partial discharge and 20mm/kV creepage distance
  • Industrial Plateau Operations: High-elevation manufacturing and mining facilities requiring 630-2500A capacity with V1 UL94 flame rating

Specifications

40.5KV High Altitude Shielded Contact Box - CH3 40.5-310P730 4000m 267kV Lightning Impulse 630-2500A

Selection Drawing No. Mounting Distance
CH3 40.5-310P/730
5RA35.012.120 430/440/460

Features

Ietm Value Unit
Rated Voltage 40.5 kV
Rated Current 630-2500 A
PF 137 kV/1 min
PD 1.1UR≤3 pC
Lightning Impulse Withstand Voltage 267 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

CH3-40.5-310P730-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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