1. Constant Voltage + Constant Current mode output
2. Metal housing with class design
3. Built-in active PFC function
4. IP67 / IP65 for indoor or outdoor installations
5. Function options: output adjustable via potentiometer;3 in 1 dimming (dim-to-off, isolated design) ; smart timer
6. Typical lifetime> 62000 hours
7. 7 years warranty(Note.9

1. output:
   1. DC voltage: 24 V
   2. constant current region: 12 V to 24 V
   3. rated current: 20 A
   4. rated power: 480 W
   5. ripple & noise (max.) : 200m VP-p
   6. voltage adj. range: 20.4 - 25.2 V
   7. current adj. range: 10 - 20 A
   8. voltage tolerance: ± 1.0 %
   9. line regulation: ± 0.5 %
   10. load regulation: ± 0.5 %
   11. setup, rise time: 500ms, 80ms 115VAC/230VAC
2. input:
   1. voltage range: 90-305 VAC 127-431 VDC
   2. frequency range: 47-63 Hz
   3. power factor: PF >/= 0.98/115 VAC PF >/= 0.97/230 VAC PF >/= 0.95/227 VAC at full load
   4. total harmonic destortion: THD < 20%
   5. efficiency (230 VAC): 94%
   6. efficiency (277 VAC): 94.5%
   7. ac current: 5 A / 115 VAC
   8. inrush current: cold start 75 A / 230 VAC
   9. leakage current: < 0.75 mA / 277 VAC
3. protection:
   1. over current: 95-108%
   2. short circuit: constant current limiting, recovers automatically after fault condition is removed
   3. over voltage: 27-33 V
   4. over temperature: shut down output voltage, re-power on to recovery
4. environment:
   1. working temperature: -40 °C to 90°c
   2. max. case temperature: 90°C
   3. working humidity: 20 - 95% RH non-condensing
   4. temperature coefficient: ± 0.02 % / °C (0 °C to 60 °C)
   5. vibration: 10 to 500 Hz, 5 G 12 min. / 1 cycle, period for 72 min. each along X, Y, Z axes
5. safety:
   1. safety standards: UL8750(type"HL"), CSA C22.2 No. 250.13-12; ENEC BS EN/EN61347-1, BS EN/EN61347-2-13 independent, BS EN/EN62384;GB19510.14,GB19510.1;IP65 or IP67 EAC TP TC 004 ;KC61347 1, KC61347 2 13, J61347-1(H29), J61347-2-13 approved
   2. withstand voltage: /P-O/P:3.75KVAC I/P-FG:2KVAC O/P-FG:1.5KVAC
   3. isolation resistance: I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25 / 70% RH
   4. EMC emission: Compliance to BS EN/EN55015, BS EN/EN61000-3-2 Class C (@ load 50%) ; BS EN/EN61000-3-3;GB17743, GB17625.1?,EAC TP TC 020;KC KN15,KN61547( ),J55015(H29)(for Blank/A-type)except for AB,Dx,D2-typ
   5. EMC immunity: Compliance toBS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN61547, light industry level (surge immunity Line-Earth 4KV,Line-Line 2KV), ;KC KN15,KN61547( ),J55015(H29)(for Blank/A-type)
6. others:
   1. mtbf: 345.5K hrs min. Telcordia SR-332(Bellcore) ; 95.3K hrs min. MIL-HDBK-217F (25)°C
   2. dimension: 262*125*43.8mm (L*W*H)
   3. packing: 2.8Kg;4pcs/12.2Kg/0.55CUFT

hlg-480hspec.pdf