Sinjoe switching power supply SE-450-48 ,with 48V ,9.375A and 450W is a completed
solution for X & Y axis motor and drive power supply.
48V output ensures very good motor speed and power.

   What you will get    

1pcs × Sinjoe Laser SE-450-48 48V 9.375A 450W Switching Power Supply

   Main Features    

  1. AC input active surge current limiting
  2. AC input range selected by switch
  3. Protections: Short circuit / Overload / Over voltage / Over temperature
  4. Forced air cooling by built-in DC ball bearing fan
  5. Built-in remote sense function
  6. LED indicator for power on
  7. UL approved
  8. 2 years warranty


DC Voltage: 48V
Rated Current: 9.375A 
Current Range: 0~9.375A
Rated Power: 451.2W
Ripple & Noise(max.) Note.2: 200mVp-p
Voltage ADJ.Range: 43.2~52.8V
Voltage Tolerance Note.3: ±1.0%
Line Regulation Note.4: ±0.2%
Load Regulation Note.5: ±0.5%
Setup,Rise Time: 1500ms,50ms/230VAC  1500ms,50ms/115VAC at full load
Hold Up Time(Typ.): 16ms/230VAC  12ms/115VAC at full load

Voltage Range: 90~132VAC/180~264VAC by switch, 254~370VDC
Frequency Range: 47~63Hz
Efficiency(Typ.): 88%
Ac Current(Typ.): 10A/115AVC,6A/230VAC
Inrush Current(Typ.): 35A/115VAC,55A/230VAC
Leakage Current: <2.5mA/240VAC


Overload: 105~150% rated output power.
Over Tempurature: Shut down o/p voltage, recovers automatically
Over Voltage: 57.6~67.2V
Protection type : Shut down o/p voltage, re-power on to recovery
after temperature goes down

Working Temp.: -10~60°C(Refer to " Derating Curve")
Working Humidity: 20~90% RH non-condensing
Storage Temp.,Humidity: -40~ +85°C,10~ 95% RH
Temp.Coefficient: ±0.05%/°C(0~50°C)
Vibration: 10~ 500Hz, 2G 10min/1cycle,period for 60min,each along X,Y,Z axes


Safety Standards: UL60950-1 approved

Safety with Stand Voltage: I/P-O/P:3KVAC     I/P-FG:2KVAC     O/P-FG:0.5KVAC

Isolation Resistance:I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25/ 70% RH


MTBF: 200K hrs min.      MIL-HDBK-217F (25)°C

Dimension: 225*124*50mm (L*W*H)

Packing: 1.25Kg;12PCS/16Kg/1CUFT


1. All parameters NOT specially mentioned are measured at 230VAC input,

rated load and 25  of ambient temperature.°C

2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted

pair-wire terminated with a 0.1uf & 47uf parallel capacitor.

3. Tolerance : includes set up tolerance, line regulation and load regulation.

   Mechanical Specifitions    

   Block Diagram    

   Derating Curve    

   Static Characteristics    

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Switching Power Supply SE-450-48 48V 9.375A 450W

  • Product Code: SE-450-49
  • Availability: In Stock
  • $125.90
  • $84.90

  • Ex Tax: $84.90