—Customer programmable with 1mA
resolution to perfectly match LED
load and maximize performance
—Programming does not require
powering up or connecting the
power supply to AC line voltage
—Wide output current and voltage
range
—Available in dimming to 1% or 10%
with 0–10V dimmers
—Integrated, customer configurable,
LED thermal protection feature
—Familiar standard industry housing –
5.0" x 2.4" x 1.2" (L x W x H)
—Available with mounting feet
(F-style) or PEM studs (J-style)
to simplify installation
—Universal Input Voltage –
120–277V AC 50/60Hz
—UL Class 2 output for safe operation
The OPTOTRONIC programmable dimmable family consists of highly
efficient, constant current 25W and 40W LED power supplies. They
are customer programmable between the range of 150 to 1250 mA
for the 25W and 400 to 1400mA for the 40W with a 1mA resolution.
The OPTOTRONIC programmer does not require the power supply to
be powered up or connected to AC line voltage while programming.
The power supplies are available in dimming to 1% or 10% with built-
in 0–10V dimming enabling direct integration and operation with
standard dimmers, sensors, as well as energy and light-management
systems. In case of LED module thermal overload, the family’s
integrated LED thermal protection function allows the power supply to
reduce the output current. This function is fully customizable by the
customer. The family comes in a standard industry housing with dual
entry connectors to simplify installation.
Applications
—Downlights
—In-grade fixtures
—Recessed troffer
—Wall washing
Application Information
OPTOTRONIC®
Programmable Compact Constant Current Dimmable LED Power Supplies
www.osram-americas.com/OPTOTRONIC
Product Offering
Max. Housing Minimum Output
Power Type Connectors Dimming Current Range
40W F-style (feet) Dual Entry 1% 400 - 1400mA
10%
40W J-style (PEM studs) Bottom Feed 1% 400 - 1400mA
10%
25W F-style (feet) Dual Entry 1% 150 - 1250mA1
10%
25W J-style (PEM studs) Bottom Feed 1% 150 - 1250mA1
10%
1. 10% dimming model output current range is 350-1050mA
Key Features & Benefits
ECS273R9 11-15
Specifications and Certifications
Compliant to 47 CFR, Part 15 Class A
Ordering Guide
OT 40W / PRG 1400C / UNV / DIM-1 / J
OPTOTRONIC® Output Programmable Max. Output Input Voltage 0-10V J-Style
Wattage Current (mA) (120-277V) Dimmable Housing
Ordering Information
OT40
Item Ordering Total Output Output Current Default Output Voltage Dimming Dimming LED Thermal Housing
Number Abbreviation Power Range2 Current Range (Vdc) Control Range Protection Type
79441 OT40W/PRG1400C/UNV/DIM-1/J 40W 400-1400 mA (programmable) 700mA 10-55V 0-10V 1-100% Yes J-Style
79442 OT40W/PRG1400C/UNV/DIM-1 40W 400-1400 mA (programmable) 700mA 10-55V 0-10V 1-100% Yes F-Style
79449 OT40W/PRG1400C/UNV/DIM/J 40W 400-1400 mA (programmable) 700mA 10-55V 0-10V 10-100% Yes J-Style
79448 OT40W/PRG1400C/UNV/DIM 40W 400-1400 mA (programmable) 700mA 10-55V 0-10V 10-100% Yes F-Style
OT25
Item Ordering Total Output Output Current Default Output Voltage Dimming Dimming LED Thermal Housing
Number Abbreviation Power Range2 Current Range (Vdc) Control Range Protection Type
794063 OT25W/PRG1250C/UNV/DIM-1/J 25W 150-1250 mA (programmable)1 500mA 10-55V 0-10V 1-100% Yes J-Style
794053 OT25W/PRG1250C/UNV/DIM-1 25W 150-1250 mA (programmable)1 500mA 10-55V 0-10V 1-100% Yes F-Style
79404 OT25W/PRG1250C/UNV/DIM/J 25W 350-1250 mA (programmable) 500mA 10-55V 0-10V 10-100% Yes J-Style
79403 OT25W/PRG1250C/UNV/DIM 25W 350-1250 mA (programmable) 500mA 10-55V 0-10V 10-100% Yes F-Style
1. Output current below 350mA is in PWM mode.
2. The lowest output current of the driver is 14mA and the minimum percentage of dimming is dependent on the programmed output current of the driver for 1% models.
3. 79405 and 79406 will dim down to 10% only when operating under 350mA.
Catalog # Type
Project
Comments
Prepared by
Specification Data
Minimum and Maximum Ratings
Parameter Values
Input Voltage Range 108 - 305Vac
Maximum Case Temperature (Tc point) 85°C (185°F)
Maximum Case Temperature for 5 year life and warranty 75°C (165°F)
Ambient Operating Temperature (reference) OT40W: -30°C to 50°C (-22°F to 122°F), OT25W: -30°C to 50°C (-22°F to 122°F)
Storage Temperature -35°C to 75°C (-31°F to 167°F)
Maximum Relative Humidity 85% (Non-condensing)
Accessories
Item Ordering Required
Number Abbreviation Description Accessory
51645 OT Programmer USB Programming Tool Yes
51646 OT Programming nest Programming fixture Optional
Electrical Specifications
Maximum Nominal Maximum
Output Input Input
Power Voltage Current Power Line Environmental UL
(W) (Vac) (A) Factor THD Transient Efficiency Rating File #
40W 120-277VAC 50/60 Hz 0.42A @ 120V >0.9 <20% ANSI C62.41 Cat.A 85% Typical Damp E320395
0.17 A @ 277V
25W 120-277VAC 50/60 Hz 0.25A @ 120V >0.9 <20% ANSI C62.41 Cat.A 80% Typical Damp E320395
0.11 A @ 277V
Wiring Diagram
Assembly Diagram
Dimensions: in [mm]
LED -
LED +
DIM +
DIM -
PRG/NTC
700mA set
VAC
Input
BLK
WHT
BROWN
ORANGE
PURPLE
GRAY
RED
BLUE
GRN
LED -
LED +
DIM +
DIM -
PRG/NTC
VAC
Input
BLK
WHT
BROWN
PURPLE
GRAY
RED
BLUE
GRN
125.6
[5.0]
61.1
[2.4]
109.0
[4.3]
115.0
[4.5]
26.0
[1.0]
4.6
[0.18]
27.5
[1.08]
59.0
[2.3]
8.0
[.31]
106.0
[4.2]
115.0
[4.5]
50.8
[2.0]
26.0
[1.0]
(2) PEM STUD #8-32
27.5
[1.08]
59.0
[2.3]
107.5
[4.2]
61.1
[2.4]
4.6
[0.18]
125.6
[5.0]
F-Style
J-Style
Compact Driver
Gen 1 Gen 2
OSRAM, LED CREATING TOMORROW and OPTOTRONIC are registered trademarks of OSRAM GmbH.
Specifications subject to change without notice.
© 2015 OSRAM
Americas Headquarters
200 Ballardvale Street
Wilmington, MA 01887 USA
Phone 1-800-LIGHTBULB
www.osram-americas.com
Operating Range
OT40W
OT25W - 1% DIM
OT25W - 10% DIM
Packaging
Quantity: 20 pieces per case
Weight: 0.5 lbs ea./10 lbs per case (approx.)
Warranty
OPTOTRONIC® Products are covered by our LED Module, OPTOTRONIC Power Supply or Control Warranty. For additional details, refer to the latest version of the warranty (LED089)
available at www.osram-americas.com.
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