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OPTOTRONIC® LED Power Supply
Product Data Sheet
OT FIT 50/220-240/1A0 CS L
Constant current LED driver
800 mA – 925 mA – 1050 mA
The reliable choice for the essential lighting:
based on the well tested Quicktronic® core and flat
metal housing 30 x 21 mm fits in all linear and area
light fixtures for office - industrial - shop lighting.
Benefits
Three fixed selectable output currents
Easy current selection using a wire bridge
Long lasting and high reliability
Slim metal housing
Double output connectors (parallel connection)
Suitable for emergency lighting units
Applications
Linear and area lighting
Office – industrial - shop
Housing material: metal, white painted.
Approval marks
SELV equivalent
In preparation, if not already printed on product label
Product Features

3 output currents 800/925/1050 mA

Overload protection

Default output current is 1050 mA

Overtemperature protection

Wire bridge to select the current

Load hot plug protection

SELV equivalent 27 – 54 V

100’000 h lifetime at tc = 65°C

Output power up to 55 W

Case temperature up to 75 °C

Mains voltage 220 – 240 V

Wide ta range -20 – +50 °C

Suitable for emergency lighting

5 years guarantee
1
Edition: 18 Mar. 2015
Ver.: 1.9
Status: Released
OPTOTRONIC® LED Power Supply
OT FIT 50/220-240/1A0 CS L
Product Data Sheet
ENVIRONMENT
DIMMING
OUTPUT
INPUT
Electrical Specifications
Item
Nominal voltage
Nominal frequency
AC voltage range
DC voltage range
Maximum voltage
Nominal current
Total Harmonic Distortion (THD)
Power factor
Efficiency
Power losses
No-load power
Stand-by power
Protection class
Inrush current
Max. units per circuit breaker
Leakage current
Nominal voltage range
Maximum voltage
Nominal current range
Current accuracy
Current ripple
Nominal power range
Maximum power
Galvanic isolation
Dimming control
Dimming range
Dimming technique
Frequency
Galvanic isolation
Ambient temperature range ta
Maximum case temperature tc
Max. case temp. in fault condition
Storage temperature range
Relative humidity
Surge transient protection
Environmental rating
IP rating
Mains switching cycles
Expected lifetime
Value
220 – 240
0 / 50 - 60
198 – 264
176 – 276
320
0.30
< 10
> 0.95
> 86
8.9
n/a
n/a
I
53
B16: 28; B10: 17
< 0.5
27 – 54
60
800 / 925 / 1050
+/- 10
< 10
23 – 55
55
SELV equivalent
no
n/a
n/a
n/a
n/a
-25 …+50
75
110
-25 …+75
5 ... 85
1|2
Indoor
IP 20
> 100’000
50’000
100’000
Unit
V
Hz
V
V
Vac
A
%
%
W
W
W
A pk
mA
V
V
mA
%
%
W
W
Remarks
Incl. DC or pulse DC
DC or pulse DC
2 h maximum, unit might not operate in this abnormal condition
Full load, 220 – 240 V, 50 Hz / see graphs
Full load, 220 – 240 V, 50 Hz / see graphs
Full load, 220 – 240 V, 50 Hz / see graphs
Maximum, full load
Load switching on output side is safe but not permitted
Unit is not dimmable/controllable
PE can be connected to terminal or housing
Max, th = 230 μs
I max = 53 A Th = 230 μs
Through PE, output floating
No load protection put output down to roughly 1…2 V
1050 mA default (terminals 5-6-7 open)
Ripple / average @ 100 Hz, full load
Output to mains - Touch current < 0.5 mA
Not dimmable
°C
°C
°C
°C
%
kV
h
Measured on tc point indicated of the product label
Not condensing
L/N | LN/PE acc to. EN 61547-5.7
tc = 75°C, 0.2% / 1’000 h failure rate, 14 h ON / 10 h Stan-by per day
tc = 65°C, 0.1% / 1’000 h failure rate, 14 h ON / 10 h Stan-by per day
Protections
Overtemperature, Overload, No load, Short-circuit, Input overvoltage, Output overvoltage, Output undervoltage
See remarks on page 4.
Wiring Diagram
Connectors type: WAGO 250; Wires cross section both flexible and solid: 0.5 – 1.5 mm2, peeling length 8.5 – 9.5 mm
Two or more units cannot be connected together on secondary side with any or more of the 21 … 27 terminals.
2
Edition: 18 Mar. 2015
Ver.: 1.9
Status: Released
OPTOTRONIC® LED Power Supply
Typical Operating window
OT FIT 50/220-240/1A0
0 CS L
Product Data Sheet
Typical Efficiency over load
Rated
operating
window
Typical Power factor over load
Typical THD over load
3
Edition: 18 Mar. 2015
Ver.: 1.9
Status: Released
OPTOTRONIC® LED Power Supply
OT FIT 50/220-240/1A0 CS L
Product Data Sheet
Remarks












Input over voltage protection: mains up to 320 Vac, for two hours maximum, will not destroy both the unit and the load;
shut down of load might occur in this condition.
Output short circuit protection: short circuit current is limited to approx. 1 A without damage to the unit, for unlimited time.
See typical operating window graph for details. Be sure the load is designed to withstand the short circuit current as well.
Output overload protection: the unit is intrinsically protected against over loading because the output voltage is limited.
Output over voltage protection: shut down of load happens if U out exceeds 54V; mains switchover is needed to restart the unit.
To avoid unexpected power off, be sure the LED module operating voltage never exceed 54, including cold start condition.
Output under voltage operation: the unit is not damaged if the load voltage is lower than 27V, but the load current increases up to
the short circuit value, see typical operating window graph for details. Be sure the load is safely operated if this event might occur.
No load operation: the unit is not damaged in this condition; the output voltage is lower than 2V, which enables a safe LED load
connection, but mains switchover is needed to power the load.
Over temperature protection: the unit is protected against temporary overheating by automatic reduction of the output power.
If tc exceed 85°C approx. the output current is reduced to the lowest nominal value (800 mA);
If tc exceed 105°C approx. the load is shut down;
The protection is automatically reversible, without mains switchover.
Touch current: lower than 0.2 mA, according to EN 60598-1 ann. G and EN 61347-a ann. A
Switchover time: lower than 0.5 s, both AC and DC mains.
Output power hold time: > 4 ms, in case of mains dips.
Emergency lighting: this LED power supply is suitable for emergency light fixtures acc. to EN 60598-2-22.
Caution for CS wire bridge: 5, 6, 7 – terminals not isolated from mains; mandatory use of basic insulated wire suitable for
mains voltage.
Standards
Ordering information
EN 61347-1
Product name
Type
EAN10
EAN40
NAED
EN 61347-2-13
OT-FIT 50/220-240/1A0 CS L
AA43485
4052899032804
4052899032811
n/a
Pieces / box
20
EN 55015
EN 61547
EN 61000-3-2
EN 62384
Manufacturer’s address:
Technical support:
OSRAM GmbH
Kunden Service Center Germany
+49 (0)89-6213-60 00
Steinerne Furt 62
D-86167 Augsburg
Germany
www.osram.com
4
Edition: 18 Mar. 2015
Ver.: 1.9
Status: Released