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LDT481 Series

tech.support@psbel.com

LDT481-12

400 - 500 VAC / 520 - 725 VDC

3

12 VDC

40 A

LDT481-24

400 - 500 VAC / 520 - 725 VDC

3

24 VDC

20 A

LDT481-48

400 - 500 VAC / 520 - 725 VDC

3

48 VDC

10 A

LDT481-72

400 - 500 VAC / 520 - 725 VDC

3

72 VDC

6.7 A

Technical parameters are typical, measured in laboratory environment at 25°C and 400 VAC / 50 Hz, at nominal values, after minimum

5 minutes of operation.

Rated, three phase (UL certified)

Operating

400 – 500 VAC

340 – 550 VAC

Input DC Voltage Range

520 – 725 VDC

Input Frequency

47 - 63 Hz

Input AC Current

Vin = 400 VAC

1.3 A

Vin = 500 VAC

1.1 A

Input DC Current

Vin = 520 VAC

1.2 A

Vin = 725 VAC

0.9 A

Inrush Peak Current

≤ 50 A

Touch (Leakage) Current

≤ 0.15 mA

Internal Protection Fuse

None, external fuse must be provided

Recommended External Protection

It is strongly recommended to provide external surge

arresters (SPD) according to local regulations

Fuse 3x 10 AT or 3x MCB 10 A C curve

Output Power

480 W

Rated Voltage (Adjustable Voltage Range)

LDT481-12

LDT481-24

LDT481-48

LDT481-72

12 VDC (12 – 15 VDC)

24 VDC (23 – 28 VDC)

48 VDC (45 – 55 VDC)

72 VDC (72 – 85 VDC)

Continuous Current

LDT481-12

LDT481-24

LDT481-48

LDT481-72

40 A

20 A

10 A

6.7 A

Overload Limit (Constant Current Mode)

LDT481-12

LDT481-24

LDT481-48

LDT481-72

44 A

22 A

11 A

7.5 A

Overload Limit (Hiccup Mode) (max. 5s)

LDT481-12

LDT481-24

LDT481-48

LDT481-72

60 A

30 A

15 A

10 A

Load Regulation

LDT481-12

LDT481-24

LDT481-48 / LDT481-72

≤ 2.5%

≤ 1.0%

≤ 0.5%

LDT481-12

LDT481-24 / LDT481-48 / LDT481-72

≤ 150 mVpp

≤ 100 mVpp

Hold up Time

≥ 20 ms