Rev. B

PSALF240 Series

Built-in Active PFC Function

Up to 240 Watts, Single Outputs

AC/DC LED Switching Power Supplies

Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833

01/13/2013

603-778-2300 www.wallindustries.com Fax 603-778-9797

Page 3 of 4

MODEL SELECTION TABLE

Model Number

Input Voltage

Output Voltage

Constant Current

Range

Output

Current

Current

Adjustment Range

Output

Power

Efficiency

PSALF240-12S

12 VDC

6 ~ 12 VDC

16A

8 ~ 16 A

192W

90%

PSALF240-24S

24 VDC

12 ~ 24 VDC

10A

5 ~ 10 A

240W

90%

PSALF240-28S

28 VDC

14 ~ 28 VDC

8.57A

4.28 ~ 8.57 A

240W

90%

PSALF240-36S

36 VDC

18 ~ 36 VDC

6.66A

3.33 ~ 6.66 A

240W

92%

PSALF240-48S

90~264 VAC

or

120~370 VDC

48 VDC

24 ~ 48 VDC

5A

2.5 ~ 5 A

240W

93%

BLOCK DIAGRAM

ISOLATION

ISOLATION

O.C.P.

DETECTION

CIRCUIT

O.V.P.

L

N

+Vo

-Vo

Vout Adj.

DC ON (LED)

Io Adj.

CHARACTERISTICS

-25

0

20

40 50 60 70 80

100

50%

100

80

60

40

20

0

Ambient Temperature (°C)

POWER DERATING CURVE

90

100

110

135

155

230

264

100

80

60

40

20

0

Input Voltage (VAC)