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LS-20-500 TRIAC LI (500mA 20W)


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LS-20-500 TRIAC LI

LED power supply for 500 mA constant current
27…42 Vdc, 13.5…21 W, IP20, independent installation
TRIAC (leading & trailing edge) dimmable
Flicker-free according to IEEE 1789

Electrical Data

Input Voltage (nominal)220…240 Vac
Input Voltage (range)198…264 Vac
Mains Frequency50/60 Hz
Power Factor (λ)≥0.95   Full Load, 230 Vac
Input Current0.16 A max.  Full Load, 198 Vac
Inrush Current10 A max.  Full Load, 230 Vac
Leakage Current< 0.7 mA  240 Vac
Output Voltage27…42 Vdc
Output Current500 mA
Output Power (nominal)13.5…21 W
Efficiency≥ 83 %
Life Time> 30,000 h  50 °C
Dimming ModeTriac (leading & trailing edge)
Dimming Range10%… 100%


Operating Condition

Operating Ambient Temperature (ta)-20…+50 °C
Max. Surface Temperature (tc)80 °C
Permitted rel. Humidity20…90 %
Protection ClassII
Type of ProtectionIP20



Short Circuit ProtectionYes *
Overload ProtectionYes *  105…120 %
Overvoltage ProtectionYes *  >53 Vdc

(*) The output shut off and will be resumed after problem is removed and led driver is restarted.


Standards & Certificates

Standards (LVD)EN 61347-1, EN 61347-2-13
EN 62384
Standards (EMC)EN 61000-3-2, EN 61000-3-3
EN 61000-4-2, EN 61000-4-5
EN 55015, EN 61547
Approval MarksCE, ENEC
RoHS CompliantYes



Type of InstallationIndependent installation
Type of ConnectionSpring-loaded terminal
Cable Cross-Section, input side0.5…1.5 mm²
Cable Cross-Section, output side0.5…1.5 mm²
Cable Preparation Length, input side7…9 mm
Cable Preparation Length, output side7…9 mm







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