The CH4-24kV reverse-mounted contact boxes and CHJ14-24kV three-way contact boxes are advanced epoxy-resin insulated modules engineered for 24 kV switchgear systems. Their fully enclosed design and precision molding guarantee safe, stable current transmission while simplifying installation in compact or multi-angle configurations.
Built to excel in harsh environments, these contact boxes maintain mechanical and electrical integrity across a wide temperature span and high elevations. The CHJ14 three-way variant further enhances system flexibility by enabling multiple outgoing connections, making this family ideal for demanding industrial and utility applications.
| Model | Rated voltage | Rated current | Material | Power frequency withstand voltage | Lightning impulse withstand voltage | Operating temperature | Short-time withstand current | Ocean technology height |
| CH4-24kv-282 reverse installation (ΦM20 side M10) |
24kv | 1250A | Epoxy resin | 65kv/1min | 125kv | -40 to +70 | 25kA/4s | ≤4000m |
| CH4-24kv-282 reverse installation (ΦM12/M20 side 4-M10 turn 45° hole distance 60Φ) |
24kv | 1250A | Epoxy resin | 65kv/1min | 125kv | -40 to +70 | 25kA/4s | ≤4000m |
| CHJ14-24kv (three-way) |
24kv | 1250A-1600A | Epoxy resin | 65kv/1min | 125kv | -40 to +70 | 25kA/4s | ≤4000m |
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