• Oct 8, 2025 merlin gerin acb Test the trip functions periodically using the built-in test features. Clean contacts and inspect for dust or debris. Lubricate moving parts as recommended by the manufacturer. Update firmware or software for digital trip units when applicable. Troubleshooting By Loren Kassulke
• Apr 13, 2026 acb and mccb retrofit electrical codes or standards Key Considerations Before ACB and MCCB Retrofit Assessing Existing System Compatibility Current Ratings: Confirm the existing breaker’s current rating, voltage, and interrupting capacity. Physical Dime By Chadrick Prosacco
