1. output current selectable by DIP switches
2. 180-277 VAC input only
3. built-in active PFC function
4. protection against: short circuit / over-temperature
5. cooling: free air convection
6. fully isolated plastic case
7. Class II power unit, no FG (frame ground)
8. built-in DALI interface and push dimming function
9. IP20
10. no-load power consumption: < 0.5 W
11. power supply synchronization function up to 10 units
12. suitable for indoor LED lighting applications
13. 3 years warranty

1. output:
   1. selectable current: 350 mA / 500 mA / 600 mA / 700 mA / 900 mA / 1050 mA
   2. DC voltage range: 6-54 V / 6-50 V / 2-67 V / 6-42 V / 6-36 V / 6-28 V/ 6-24 V
   3. rated power: 25 W
   4. ripple current: ± 5.0 %
   5. ripple & noise (max.): 400 mVp-p
   6. no-load output voltage (max.): 59 V / 41 V
   7. current accuracy: ± 5.0 %
   8. setup, rise time: 500 ms, 50 ms / 230 VAC at rated power
   9. hold up time (typ.): 30 ms / 230 VAC at rated power
2. input:
   1. voltage range: 180-277 VAC 254-392 VDC
   2. frequency range: 47-63 Hz
   3. power factor (typ.): >= 0.975 / 230 VAC; >= 0.96 / 277 VAC at rated power
   4. total harmonic distortion: lower than 20 % when output load is 75 % or higher
   5. efficiency (typ.): 86 %
   6. AC current (typ.): 0.17 A / 230 VAC; 0.15 A / 277 VAC
   7. inrush current (typ.): cold start 20 A (twidth = 260 µs measured at 50 % Ipeak) at 230 VAC
   8. leakage current: < 0.5 mA / 240 VAC
3. protection:
   1. short circuit: constant current limiting, recovers automatically after fault condition is removed
   2. overvoltage:
      1. 110-130 V
      2. protection type: shut down output voltage, re-power on to recover
   3. over-temperature: shut down output voltage, re-power on to recover
4. functionality:
   1. auxiliary power: 12 V @ 50 mA for driving fan; tolerance ± 5 %
   2. temperature compensation: by external NTC thermistor (not provided with the power supply)
   3. dimming
   4. synchronization
5. environment:
   1. operating temperature: -30 to +60 °C
   2. operating humidity: 20-90 % RH non-condensing
   3. storage: -40 to +80 °C, 10-95 % RH
   4. temperature coefficient: ± 0.03 %/°C (0-50 °C)
   5. vibration: 10-500 Hz, 2G 10 min/1cycle, period for 60 min each along X, Y, Z axes
6. safety & EMC:
   1. safety standards: UL8750, CSA C22.2 NO. 250.0-08, ENEC EN61347-1, EN61347-2-13, EN62384 independent approved
   2. withstand voltage: input to output: 3.75 kVAC
   3. isolation resistance: input to output: > 100 Mohm / 500 VDC / 25 °C / 70 % RH
   4. EMC emission: compliance to EN55015, EN61000-3-2 Class C (>= 40 % rated power); EN61000-3-3
   5. EMC immunity: compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, EN61547 light industry level (surge 2 kV), criteria A
7. others:
   1. MTBF: min. 213.3 Kh; MIL-HDBK-217F (25 °C)
   2. dimensions (L x W x H): 105 x 68 x 23 mm
   3. packing: 0.17 kg; 72 pcs / 13.2 kg / 1.04 ft³

powersupplya4v04.pdf