| Feature | CIBANO 500 | Megger TM1800 | Vanguard VBT-80 | Doble CB-360 | | :--- | :--- | :--- | :--- | :--- | | | Yes (1000 W) | No | No | Yes (600 W) | | Dynamic Resistance (DRM) | Standard | Optional external unit | Standard | Optional | | Max Micro-ohm Current | 200 A (600 A ext.) | 100 A | 100 A | 200 A | | Timing Channels | 12 analog / 24 digital | 6 analog | 8 analog | 12 analog | | Software Ecosystem | Test Universe (unified platform) | Separate apps | PowerDB | Protective Relaying Suite | | Weight | ~15 kg | ~25 kg | ~22 kg | ~20 kg | | Automation & Scripting | Full (Python API) | Limited | Limited | Moderate |
In the high-stakes environment of electrical power systems, circuit breakers act as the last line of defense. Their ability to interrupt fault currents and isolate faulty sections of a grid is critical to preventing catastrophic failures and widespread blackouts. To ensure these devices function reliably, maintenance teams rely on specialized diagnostic equipment. Among these, the has established itself as a global benchmark for circuit breaker testing. cibano