TDK-Lambda RWS-B Series 300W Single Output Switch Mode Power Supplies

TDK-Lambda Brand: TDK-Lambda

A range of 300W single output general purpose switch mode power supplies that feature a universal input and compact size, making them especially suitable for field work throughout the world.

  • Available in a choice of output voltages
  • Output voltage adjustable by pot
  • Very reliable
  • Overcurrent and overvoltage protection
  • Screw terminals
  • Internal fan cooling
  • Safety and EMC according to EN/UL/CSA
Description Image Product Buy Pricing (Ex VAT) Output Current Max. Output Voltage Max. Output Voltage Min. Power Rating Dimensions Input Connection Number of Outputs Output Connectors Supply Voltage Range Temperature Range
TDK-Lambda RWS-300B-12 Enclosed Power Supply 12VDC
TDK-Lambda RWS-300B-12 Enclosed Power Supply 12VDC
Standard range
Order code: 63-9684
MPN: RWS300B-12

6 in stock, despatched in 4 working days
1+ £81.87
Price per unit Ex VAT 		25A 13.8V 10.8V 300W 102 x 41 x 170mm Screw terminals 1 Screw terminals 85 to 265V -10 to +70°C
TDK-Lambda RWS-300B-24 Enclosed Power Supply 24VDC
TDK-Lambda RWS-300B-24 Enclosed Power Supply 24VDC
Extended range
Order code: 63-9686
MPN: RWS-300B-24

7 in stock, despatched same dayBack-order availability date - 17/12/2025
1+ £75.20
5+ £72.95
10+ £70.69
Price per unit Ex VAT 		12.5A 27.6V 21.6V 300W 102 x 41 x 170mm Screw terminals 1 Screw terminals 85 to 265V -10 to +70°C
TDK-Lambda RWS-300B-36 Enclosed Power Supply 36VDC
TDK-Lambda RWS-300B-36 Enclosed Power Supply 36VDC
Standard range
Order code: 63-9687
MPN: RWS-300B-36

3 in stock, despatched in 4 working days
1+ £139.24
Price per unit Ex VAT 		8.4A 41.4V 32.4V 300W 102 x 41 x 170mm Screw terminals 1 Screw terminals 85 to 265V -10 to +70°C
TDK-Lambda RWS-300B-48 Enclosed Power Supply 48VDC
TDK-Lambda RWS-300B-48 Enclosed Power Supply 48VDC
Standard range
Order code: 63-9688
MPN: RWS-300B-48

4 in stock, despatched same dayAdditional quantity lead time 9 days
1+ £81.87
5+ £79.40
10+ £76.96
Price per unit Ex VAT 		6.3A 52.8V 43.2V 300W 102 x 41 x 170mm Screw terminals 1 Screw terminals 85 to 265V -10 to +70°C
Order code63-968963-968463-968563-968663-968763-9688
Output power nom.300W300W300W300W300W300W
Output voltage nom.5V12V15V24V36V48V
Adjustment range4.5 to 5.75V10.8 to 13.8V13.5 to 17.3V21.6 to 27.6V32.4 to 41.4V43.2 to 52.8V
Output current max.50A25A20A12.5A8.4A6.3A
Load regulation40mV96mV120mV192mV288mV384mV
Line regulation20mV48mV60mV96mV144mV192mV
Ripple noise120mV150mV150mV150mV200mV200mV
Efficiency typ.78%82%84%88%88%88%

Input voltage85 to 265V AC
Inrush current34A
Dimensions (L x W x H)102 x 41 x 170mm
Operating temperature-10°C to +70°C


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