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OPTOTRONIC® LED Power Supply
Product Data Sheet
OT FIT 25/220-240/500 CS
Constant current LED driver
400 mA – 450 mA – 500 mA
The reliable choice for the essential lighting:
based on the well tested Quicktronic® core and
compact housing fits in all spot and downlights
luminaires.
Benefits
Three fixed selectable output currents
Easy current selection using a wire bridge
Long lasting and high reliability
Suitable for emergency lighting units
Built-in and independent mounting (with opt. kit)
Suitable for class I and class II luminaires
L
B
H
103mm
67mm
29,5mm
Applications
Office – industrial - shop
Approval marks
Housing material: plastic, white.
SELV equivalent
Product Features

3 output currents 400/450/500 mA

Overload protection

Default output current is 500 mA

Overtemperature protection

Wire bridge to select the current

Hot plug protection

SELV equivalent 27 – 54 V

50’000 h lifetime at tc = 75°C

Output power up to 27 W

Case temperature up to

Mains voltage 220 – 240 V

Wide ta range -25 – +50 °C

Suitable for emergency lighting

5 years guarantee
°C
1
Edition: 27 Oct. 2014
Ver.:1.4
Status: Final
Misprints and technical changes excepted
OPTOTRONIC® LED Power Supply
OT FIT 25/220-240/500 CS
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
0.15
< 10
> 0.95
> 85
4
n/a
n/a
II
24
B16: 28; B10: 17
n/a
27 – 54
60
400 / 450 / 500
+/- 10
<5
11 – 27
29,7
SELV equivalent
no
n/a
n/a
n/a
n/a
-25 …+50
75
110
-25 …+75
5 ... 85
1
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 (>198V for starting)
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
Suitable for class I and II luminiares
Max, th = 174 μs
I max = 24 A Th = 174 μs
No load protection put output down to roughly 1…2 V
For each single operating points of the output characteristic
Ripple / average @ 100 Hz, full load
Rated. 400mA: 10.8-21.6W; 450mA: 12.1-13.5W; 500mA: 13.5-27W
Output to mains - Touch current < 0.35 mA
Not dimmable
°C
°C
°C
°C
%
kV
h
Measured on tc point indicated of the product label
Cool down before operating
Not condensing
L/N acc to. EN 61547-5.7
tc = 75°C, 0.2% / 1’000 h failure rate
tc = 65°C, 0.1% / 1’000 h failure rate
Protections
Overtemperature, Overload, No load, Short-circuit, Input overvoltage, Output overvoltage, Output undervoltage
See remarks on page 4.
Wiring Diagram
Input
Gray
Gray
White
White
White
_ 220 ... 1
~ 240V
1 - Mains
2 - Mains
3 – CS 400 mA
4 – CS 450 mA
5 – CS common
Iout
select
2
3
4
5
SELVequivalent
SEC
U-OUT = 60V
CS wire lenghth: 30 cm max




LED LED +
Output
Black
Red
21 – LED 22 - LED +
Load wires length: 2m max.
21
22
Wires cross section: massive leads 0.2-1,5 mm2 / flexible leads 0,2 – 1,5 mm2
Wire peeling length: 8,5-9,5 mm
3, 4, 5 – CS not isolated from Mains
Caution for CS wire bridge: mandatory use of basic insulated wire suitable for mains voltage. For safety reasons, current
selection is allowed only with disconnected mains
2
Edition: 27 Oct. 2014
Ver.:1.4
Status: Final
Misprints and technical changes excepted
OPTOTRONIC® LED Power Supply
OT FIT 25/220-240/500 CS
Typical Operating window
Product Data Sheet
Typical Efficiency over load
Nominal
operating
window
Typical Power factor over load
L
L1
L2
B
B1
B2
H
d
Typical THD over load
103mm
94mm
138mm
67mm
58mm
57,7mm
29,5mm
Ø4,2
3
Edition: 27 Oct. 2014
Ver.:1.4
Status: Final
Misprints and technical changes excepted
OPTOTRONIC® LED Power Supply
OT FIT 25/220-240/500 CS
Product Data Sheet
Remarks














Input over voltage protection: mains up to 320 Vac, for one hour 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.
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 60V; mains switchover is needed to restart the unit.
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. 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 (400 mA);
If tc exceed 105°C approx. the load is shut down;
This function is to protect the system from internal failures, operation above Tc max is an operation out of specification.
The protection is automatically reversible, with mains switchover.
Touch current: lower than 0.35 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 lighting luminaires acc. to EN 60598-2-22, with efficiency
output factor of 0.75 and duration time of 2 h at least.
HOT Plug: connection of LED on output is allowed without damage of LED. LED turns on after restart.
Not suitable to be used with a switch on the output to turn on/off the LEDs
OTP: Over temperature Protection of the ballast provides output current reduction feature as follow (applicable ONLY to the max
Iout and mid Iout). Reduction below min. Iout is not possible. OTP and output current reduction is reversible.
Tc of derating
Iout start->Iout derated
Tc of derating
Iout start->Iout derated
90°C (typical)
500mA->400mA
90°C (typical)
450mA->400mA

Standards
Ordering information
EN 61347-1
Product name
Type
EAN10
EAN40
NAED
EN 61347-2-13
OT FIT 25/220-240/500 CS
AA58754
4052899919419
4052899919488
n/a
EN 55015
OT Cable Clamp B-style
AA62261
4052899077881
4052899077898
Pieces / box
20
20
EN 61547
EN 61000-3-2
EN 62384
Disclaimer (Engineering Samples: B-Samples and C-Samples)
This product is a demonstration model from our development laboratories made available for your information only.
The model is not binding in respect to its fitness for use, i.e. service life, luminous flux, color temperature and performance.
Prior to production the design, including dimensions, is subject to modification.
You will, therefore, appreciate that at this stage of development we are unable to assume any liability also for damages which may be caused by this product.
Should you urgently require binding information for the preparation of construction data for your applications, please contact our marketing department.
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: 27 Oct. 2014
Ver.:1.4
Status: Final
Misprints and technical changes excepted