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 Voltage Output Current Cooling Feature Input Maximum Temperature Input Voltage Range[AC] / Vac Min. temperature Input Voltage Range[DC] / Vdc Internal Type Output Power / W Output Voltage Range[DC] / Vdc Package / Mounting Rated Output Voltage[DC] / Vdc Series SPEC ADDED Power Rating Number of Outputs Input Voltage
TDK-Lambda RWS-300B-12 Enclosed Power Supply 12VDC
TDK-Lambda RWS-300B-12 Enclosed Power Supply 12VDC
Extended range
Order code: 63-9684
MPN: RWS300B-12

Available to back orderBack order, lead time 11 days
1+ £79.92
Price per unit Ex VAT 		10.8V 25A Forced air Complies with SEMI F47 Single-phase 50°C 85 to 265 -10°C 120 to 370 fan cooling SMPSU 300 10.8 to 13.8 Enclosed / Unit type 12 RWS-B RWS-B,Enclosed / Unit type-Single-phase, Forced air, 85 to 265 AC,,10.8 to 13.8 Vdc 300W 1 85 to 265V
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

Despatched same day - 2 in stockBack-order availability date - 19/07/2026
1+ £66.88
5+ £64.59
10+ £62.30
Price per unit Ex VAT 		21.6V 12.5A 50°C -10°C SMPSU 300W 1 85 to 265V
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

Despatched within 4 working days - 1 in stock
1+ £140.64
Price per unit Ex VAT 		32.4V 8.4A 50°C -10°C SMPSU 300W 1 85 to 265V
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

Despatched same day - 10 in stockAdditional quantity lead time 14 days
1+ £86.13
5+ £83.52
10+ £80.96
Price per unit Ex VAT 		43.2V 6.3A 300W 1 85 to 265V
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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