Heavy Commercial 3-Phase Power & Sub-Distribution
Colm Construction specializes in the engineering, fabrication, installation, and cutover of commercial and industrial 3-phase power distribution systems throughout Dublin.
Our 3-Phase Engineering Scope
- Main Switchboards (Form 2 to Form 4): Tailored for commercial complexes, data hubs, and factories up to 3200A.
- Sub-Distribution Board Upgrades: Modern MCB/RCBO trip-switch panels replacing obsolete rewirable fuse gear.
- Power Factor Correction (PFC): Eliminating ESB Networks wattless power penalties on commercial utility bills.
- Surge Protection Devices (SPDs): Type 1, 2, and 3 transient voltage suppression compliant with I.S. 10101:2020.
- Busbar Trunking Systems: High-amperage sandwich busbar risers for multi-storey Dublin commercial buildings.
Safe Switchboard Cutovers
We plan and execute complex live building cutovers with temporary generation, synchronized changeovers, and comprehensive post-energization thermal imaging checks.
