| Model Number | M40FA640A |
| Manufacturer | Marelli Motori |
| Supply Voltage | 170 - 270 V |
| Power Supply | 350 VA (max) |
| Power Dissipated | 15 W (max) |
| Voltage Sensing | 170 - 270 V |
| Output Voltage (DC) | Up to 30 V |
| Output Current (DC) | 8 A (continuous, max) |
| Output Current (Forcing) | 15 A (max 1 minute) |
| Regulation Accuracy | $\pm 0.5\%$ (steady state conditions) |
| Voltage Drift | $\pm 0.5\%$ voltage change for 50°C change in ambient temp |
| Response Time | 1 cycle (10ms - 20ms) |
| Operating Temperature | -30°C to +70°C |
| Excitation Resistance | 3.5 $\Omega$ (minimum) to 20 $\Omega$ (maximum) |