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Subject to change without notice. Information provided without guarantee.
Data sheet 12/20-EM083-11
Emergency lighting units
EM powerLED
Maximum lead length
LED 3 m
status indication LED 1 m
batteries 1 m
3.4 Wiring guidelines
• The output to the LED is DC but has high frequency content, which should be
considered for good EMC compliance.
• LED leads should be separated from the mains connections and wiring for
good EMC performance.
• Maximum lead length on the LED terminals is 3 m. For a good EMC
performance keep the LED wiring as short as possible.
• The secondary wires (LED module) should be routed in parallel to ensure
good EMC performance.
• Maximum lead length for the Test switch and Indicator LED connection is 1 m.
The test switch and Indicator LED wiring should be separated from the LED
leads to prevent noise coupling.
• Battery leads are specified with 0.5 mm cross section and a length of 1.3 m.
• To avoid the damage of the control gear, the wiring must be protected against
short circuits to earth (sharp edged metal parts, metal cable clips, louver, etc.).
To ensure that a luminaire containing LED emergency units complies with
EN 55015 for radio frequency conducted interference in both normal and emer-
gency mode it is essential to follow good practice in the wiring layout.
Within the luminaire the switched and unswitched 50 Hz supply wiring must be
routed as short as possible and be kept as far away as possible from the LED
leads.Through wiring may affect the emc performance of the luminaire.
The length of LED leads must not be exceeded.
The output current depends on the forward voltage and the tolerance of the
LED modules.
4. Mechanical data
4.1 Housing properties
4.2 Mechanichal data accessories
LED status indicator
• Green
• Mounting hole 6.5 mm diameter, 1 – 1.6 mm thickness
• Lead length 0.8 m
• Insulation rating: 90 °C
Test switch
• Mounting hole 7.0 mm diameter
• Lead length 0.55 m
Battery leads
• Quantity: 1 red and 1 black
• Length: 1.3 m
• Wire type: 0.5 mm2solid conductor
• Insulation rating: 90 °C
Battery end termination
Push on 4.8 mm receptacle to suit battery spade fitted with insulating cover
or plug connection.
Module end termination
8.0 mm stripped insulation
Two-piece batteries are supplied with a 200 mm lead with 4.8 mm receptacle
at each end and insulating covers to connect the separate sticks together.
• Low-profile metal casing with white cover
• Type of protection IP 20
LED module/LED Driver/supply
8 – 9 mm
0.5 – 1.5 mm²
3.2 Wiring type and cross section
Solid wire with a cross section of 0.5 – 1.5 mm². Strip 8 – 9 mm of insulation
from the cables to ensure perfect operation of terminals.
3.3 Loose wiring
Loosen wire through twisting
and pulling or using a Ø1 mm
release tool
