AC Output


STP 13-US-50

STP 20-US-50

STP 25-US-50

STP 30-US-50

Rated power at 277 V, 60 Hz

13000 W

20000 W

25000 W

30000 W

Maximum apparent power

13000 VA

20000 VA

25000 VA

30000 VA

Rated apparent power

13000 VA

20000 VA

25000 VA

30000 VA

Nominal grid voltage

208 V / 120 V

480 V / 277 V

480 V / 277 V

480 V / 277 V

Rated grid voltage

277 V

277 V

277 V

277 V

Voltage range1)

108 V to 132 V

244 V to 305 V

244 V to 305 V

244 V to 305 V

Rated current at 277 V

24 A

24 A

30 A

36 A

Maximum output current

36 A

24 A

30 A

36 A

Maximum output current under fault conditions

682.5 Apeak / 10 ms

682.5 Apeak / 10 ms

682.5 Apeak / 10 ms

682.5 Apeak / 10 ms

The total harmonic distortion of the output current and AC voltage must each be <2%. This condition applies when the AC power is > 50% of the rated power.

< 3%

< 3%

< 3%

< 3%

Inrush current

< 10% of the nominal AC current for a maximum of 10 ms

< 10% of the nominal AC current for a maximum of 10 ms

< 10% of the nominal AC current for a maximum of 10 ms

< 10% of the nominal AC current for a maximum of 10 ms

Rated grid frequency

60 Hz

60 Hz

60 Hz

60 Hz

Grid frequency1)

60 Hz

60 Hz

60 Hz

60 Hz

Operating range at grid frequency 60 Hz

54 Hz to 66 Hz

50 Hz to 66 Hz

50 Hz to 66 Hz

50 Hz to 66 Hz

Power factor at rated power

1

1

1

1

Displacement power factor, adjustable

0.8 overexcited to 0.8 underexcited

0.8 overexcited to 0.8 underexcited

0.8 overexcited to 0.8 underexcited

0.8 overexcited to 0.8 underexcited

Feed-in phases

3

3

3

3

Connection phases

3-(N)-PE

3-(N)-PE

3-(N)-PE

3-(N)-PE

Overvoltage category in accordance with UL 62109-1

III

III

III

III

1) Depending on the configured country data set