T4500: Auto synchronizer :- Automatic synchronization with relay outputs for speed control Adjustable delta frequency and delta voltage Adjustable breaker make time Visual indication of bus voltage, generator voltage, closing signal, delta voltage, increase and decrease signals Automatic voltage matching Operating temperature range: -20°C to +70°C Vibration test up to 4g (5 - 100Hz) Certified by major classification societies Flame retardant enclosure DIN rail or screw mounting