Model | TNS-30KVA | TNS-40KVA | TNS-50KVA | TNS-60KVA | TNS-75KVA | TNS-100KVA | |||||||
Technology | Three Phase AVR + Individual Phase Control + Digital CPU Control | ||||||||||||
Transformer | Servo Motor Type | ||||||||||||
Input | Input voltage range | 304-456V (260-430V Optional) | |||||||||||
Input frequency | 50/60Hz | ||||||||||||
Output | Output voltage | 380V (400V/415V Optional) | |||||||||||
Output precision | ± 3% | ||||||||||||
Delay Time | 6s /180s selectable | ||||||||||||
Respond Time | <1s, against 10% variation of input voltage | ||||||||||||
Efficiency | ≥95% | ||||||||||||
Phase | Three phase | ||||||||||||
Analog meter Display | Input current | Phase Current: A, B, C | |||||||||||
Output voltage | Line Voltage: AB, BC, CA; Phase Voltage: A, B, C | ||||||||||||
LED indicators | Red LED | Working status of phase A, B, C | |||||||||||
Protection | High voltage | Output cutoff by contactor | |||||||||||
Low voltage | Output cutoff by contactor | ||||||||||||
Phase Failure | Output cutoff by contactor | ||||||||||||
Wrong Phase Sequence | Can't switch on regulator | ||||||||||||
Surge/Spike | Optional, replaceable SPD | ||||||||||||
Manual Bypass | Yes, isolated | ||||||||||||
Over load | Output cutoff by contactor | ||||||||||||
High temperature | Output cutoff by contactor | ||||||||||||
Short circuit | Input cutoff by air breaker | ||||||||||||
Safety standards | Insulation Voltage | 2,000V / 60s | |||||||||||
Insulation Resistance | >5MΩ | ||||||||||||
Creepage Distance | >8mm | ||||||||||||
Grounding Resistance | <0.1mΩ | ||||||||||||
Insulation Class of Coil | Class F (155℃) | ||||||||||||
Cooling Mode | Smart Cooling Fan | ||||||||||||
IP Level | IP20 | ||||||||||||
Environmental | Audible Noise | <65dB at 1m distance with full load | |||||||||||
Operating temperature | -5℃ - 45℃ | ||||||||||||
Stroage temperature | -15℃ - 45℃ | ||||||||||||
Operating relative humidity | 10%RH - 90%RH, Non-condensing |