OSRAM SYLVANIA BackLED MB User Manual
Page 3

3
3.2 Cap off any unused connection wires when finished.
3.3 Power Supply Information:
NOTE:
- Power supply spacing to other heat producing components shall be minimum 2 inches
spacing to sidewalls, and minumum 2 inches spacing to top of enclosure.
- Power supply shall be installed in a suitable electrical enclosure or raceway. If one is not
provided, a UL Listed Sign Accessory Transformer Box may be used.
BB03LA – 7xxxx
(BackLED LB)
BB03MA – 7xxxx
(BackLED MB)
Item
Number
Ordering Abbreviation
Max Modules per
Power Supply
Max Modules per
Power Supply
51601
OT10/120-240/12E
6
13
51602
OT25/120-277/12E
15
33
51632
OT60W/12V/UNV
36
80
51633
OT60W/12V/UNV/DIM
36
80
NAED
Ordering Description
Power Supply
Wattage
Input Voltage
(VAC)
Input Current
(A)
Output
Voltage (V)
Minimum Loading
BackLED LB, MB
51601
OT10/120-277/12E
10W
120/240
0.18/0.09
12 +/- 1.0
2 Modules
51602
OT25/120-277/12E
25W
120/277
0.26/0.12
12 +/- 1.0
2 Modules
51632
OT60W/12V/UNV
60W
120/277
0.6/0.26
12 +/- 1.0
2 Modules
51633
OT60W/12V/UNV/DIM
60W
120/277
0.6/0.26
12 +/- 1.0
2 Modules