Product data sheet OT FIT 20 CS
www.osram.com
Product data sheet: OT FIT 20/220-240/500 CS
Constant Current LED Power Supply
250mA - 350mA - 450mA- 500mA
OPTOTRONIC® LED Power Supply
with high reliability in extra small & compact
housing. Equips with 4 selectable currents fits in
light fixtures for shop and office lighting.
Benefits:
1 driver with 4 output currents;
High quality light with very low ripple;
Extra small housing for compact fixture;
Long lasting and high reliability
Safety ensured by OSRAM (SELV)
5 years guarantee
Applications
Downlights, Spotlights and Panels
Approval marks (under preparation if not on label)
Product Features

Output currents: 250/350/450/500 mA

Low ripple, Low THD

Output voltage: 25VDC – 42VDC

Extra small housing

Output power: 6.5 W – 21 W

Typ. Efficiency: 87%

Suitable for class I and II luminaires

SELV

Fixed Output (no dimming)

Up to 50`000 hours lifetime
Electrical Specifications
Environment
Dim
MIN
Output
Input
x
Item
Value
Unit
Nominal Voltage
Nominal frequency
AC voltage range
DC voltage range
220 - 240
50 / 60
198 – 264
n/a
Maximum voltage
275
Nominal current
Total Harmonic Distortion (THD)
Power factor
Efficiency
No-load power
130
< 10
0.98
87
< 0.5
mA
%
Power losses
3
W
Protection class
Inrush current
II
< 16
A
Max. units per circuit breaker
B16: 50 B10: 30
Leakage current
Nominal voltage range
Maximum voltage
Nominal current range
Current accurancy
Current ripple
Nominal power range
< 0.7
25 – 42
60
250/350/450/500
+/- 7.5
<5
6.5 – 21
Maximum power
21
Galvanic isolation
Dimming control
Dimming range
SELV
No
n/a
Dimming technique
n/a
Frequency
n/a
Galvanic isolation
Ambient temperature range t a
n/a
-20…+50
°C
Maximum case temperature t c
80
°C
Max. case temp. in fault condition
Storage temperature range
Relative humidity
Surge transient protection
Environmental rating
IP rating
Mains switching cycles
110
-20…+80
5…85
1/2
Indoor
IP 20
> 100’000
°C
°C
Expected lifetime
50`000
V
Hz
V
V
V
%
W
Remarks
AC, Safety voltage range
2h
230V, Refer to table 1 for details
Full load, 230 V, 50 Hz / see graphs
Full load, 230 V, 50 Hz / see graphs
Full load, 230 V, 50 Hz / typical/ see graphs
230 V, typical
At 230 V Input power 24 W max. refer to table
1 for details
Suitable for class I and II luminaires
Th = 100 μs typical (measured at 50% Ipeak)
mA
V
Vdc
mA
%
%
W
Output floating
Refer to table 1 for details
w/ Open Circuit
W
Refer to table 1 for details
Ripple / average @ 100 Hz
Partial Load. Refer to table 1 for details
Output to mains – touch current < 0.7 mA
Not dimmable
%
Hz
Refer to table 1 for details
Measured on t c point indicated of the product
label
%
kV
Cool down before operating
Not condensing
L/N /LN/PE acc to EN 61547
hrs
tc = 70°C (operating at 10°C below Tc, max.
failure rate of 10%
An optional cable clamp is available. This cable clamp can be snapped into the driver and thus converts it
into an independent installation.
OSRAM GmbH
Head Office:
Marcel-Breuer-Strasse 6
80807 Munich, Germany
Phone +49 89 6213-0
www.osram.com
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