Dalton UPS B33

Efficiency: Line mode ≥ 96%, ECO mode ≥ 98%
Transfer Time: 0 ms
Total Harmonic Distortion (THDV): ≤ 2% (Resistive load); ≤ 5% (non-linear load)
Max. Parallel Numbers: 6
Protections: Short-circuit, overload, over temperature, over voltage, under voltage, battery low voltage and fan failure

Rated Voltage: 380 V / 400 V / 415 VAC
Voltage Range:
- 346 V ~ 456 V (full load)
- 304 V ~ 346 V (Voltage rating 10%)
Rated Frequency: 50 / 60 Hz
Frequency Range: 50 / 60 Hz ± 5 Hz
Power Factor: ≥ 0.99
Total Harmonic Distortion (THDI): ≤ 3%
Input Current-Limiting: 1.1 times of rated current (0.1 ~ 1.1 settable)
Rectifier Delay Start: 10 s (1 ~ 300 settable)

Rated Voltage: 380 V / 400 V / 415 VAC
Voltage Regulation: ± 1%
Frequency: Synchronized with utility in mains mode; 50 / 60 Hz ± 0.1% in battery mode
Waveform: Pure sinewave
Crest Factor: 3:1
Total Harmonic Distortion (THDV): ≤ 2% (Resistive load); ≤ 5% (non-linear load)
Transfer Time: 0 ms
Inverter Overload Capability:
- Load ≤ 105%: long time work
- 105% < load ≤ 110%: transfer to bypass in 60 min
- 110% < load ≤ 125%: transfer to bypass in 10 min
- 125% < load ≤ 150%: transfer to bypass in 1 min
- 150% < load ≤ 200%: transfer to bypass in 200 ms
- 200% < load: inverter off (UPS shutdown) in 100 ms and transfer to bypass output
Slight Adjustment of Inverter Output Voltage: ± 5 V

DC Voltage:
- 10KVA To 40KVA: 240 VDC
- 40KVA To 100KVA: 480 VDC
Number of Battery:
- 10KVA To 20KVA: 40pcs 12V 9Ah
- 30KVA, 40KVA: 60pcs 12V 9Ah
- 60KVA To 100KVA: As Installed
Charging Current: Charging rate (settable) × battery capacity (settable) × number of battery group (settable)
Battery State Display: Battery remaining capacity and backup time
Battery Self Test: Settable periodic self-test; manually configurable test time and voltage

Efficiency: Line mode ≥ 96%, ECO mode ≥ 98%
Max. Parallel Numbers: 6
Protections: Short-circuit, overload, over temperature, over voltage, under voltage, battery low voltage and fan failure