Versatile Power Family

Resistance or Voltage Analog Programmable
Swithmode Technoogy
L CaseZ Case

UL, cUL, TUV Certified
Compliance CEC / DOE EISA 2007 Compliant

    Standard Specifications

  • Universal Input Voltage:
    90-264Vac 47-63Hz
  • Output Voltage Regulation:
    +/-2.5% Typical, +/-5% Max from Full Load to No Load.
  • Operating Temperature:
    0 - 40C
  • Maximum Output Ripple:
      5 - 6.5V: 50mVp-p
      7 - 16V: 100mVp-p
      18 - 30V: 150mVp-p
      32 - 48V: 200mVp-p
  • Rated for Continuous Duty, Minimum Output Surge Current 1.33 X Output Rating
  • Hold-Up Time : 25mS Minimum @ 120 Vin
  • Short Circuit and Over Load Protection
  • SELV Output
  • MTBF Calculated > 100,000 Hours @ 40C
  • 2 Hour Minimum Loaded Burn-in at 40C Ambient for standard output cord configurations
  • Leakage current compliant to IEC60601-1 Category B and BF
  • 5 Year Warranty
  • See Lower Table for International Energy Efficiency Performance Key

Available Freatures

  • Expanded Operating Temperatures
  • Power On/Off Switch
  • 400 Hz Input Rating
  • DC Input Rating
  • Additional Noise and/or Surge Protection
  • LED Power On Indicator
  • Output Cord
  • Fixed-in-place Input Cord
  • Wall Plug-in configuration
    (for L Case only)
  • Output Cord Sets and Connector Configurations
  • Case Colors, Markings & Logos
  • Output Voltage up to 80VDC
  • 16 Hour Burn-in
  • Output Leakage Current compliant to IEC60601-1 Category CF

Regulatory Compliance

Designed for use with medical, information technology, and general purpose equipment to the following standards: All models are approved to:

  • UL 60601-1 / 60950-1
  • CSA 22.2 #601-1 / #60950-1 *
  • TUV EN 60601-1 / 60950-1
  • CE LVD directive
  • * cUL Mark

EMC All models meet European EMC directive and FCC requirements.

Meet all EMC requirements from EN60601-1-2.

Emissions: Level B requirements of FCC CFR 47 part 15 and CISPR11 (EN55011) and CISPR22 (EN55022), EN61000-6-3 (light industrial) and line harmonic emissions EN61000-3-2.

Immunity: CISPR24 (EN55024), EN61326 and EN61000-3-2.

Certification records available upon project request.

    "L" Case "Z" Case
Model # vdc amps watts amps watts
WS[ c ]791[ g ] 5 - 6.5 6.0 - 4.6 30W 10 - 7.7 50W
WS[ c ]792[ g ] 7-9 4.3 - 3.3 30W 7.1 - 5.5 50W
WS[ c ]793[ g ] 10-16 3.0 - 2.25 36W 5.0 - 3.75 60W
WS[ c ]794[ g ] 18 - 30 1.8 - 1.2 36W 3.3 - 2.0 60W
WS[ c ]795[ g ] 32 - 48 1.1 - 0.75 36W 1.9 - 1.25 60W
WS[ c ]796[ g ] 5-30 2.0 - 1.0 10- 30W 3.3 - 1.7 17-50W
WS[ c ]895[ g ] 5 -30 2.0 - 1.0 10-30W 5 - 2.5 17-50W
+12V Aux. 150mA 800mA
"A" for *Adjustable output voltage
- Feature uses a single turn potentiometer accessible from the bottom surface.
"P" for **Programmable output voltage
- Feature requires an analog DC voltage source from 0.5 to 4.5Vdc
to define the output voltage.
Additional information on this feature:
International Energy Efficiency Performance Key to above Table
Color International EPS Efficiency Marking Protocol Category USA/CEC
DOE EISA 2007
Aus/NZ and China Compliance
Green Efficiency Level 5
Blue Efficiency Level 4
Light Blue Efficiency Level 3
- -
Grey Efficiency Level 2 - -
none Efficiency Level 1 - -
Due to a wide variety of custom configuration, we can not mark everything to its exact specs. Please Contact Us if you have special needs.
Energy Performance Regulations

Product Number System, eg:
a b c d ef / ( W S Z 7 91 )

a - WideRange ( W )
b - Switchmode ( S )
c- Case Size ( L, or Z )
d- Output # Code ( 7 = single, 8 = dual)
ef- Output Voltage Code ( 91 = 5 - 6.5vdc )
g- **[P]rogrammable or *[A]djustable
**Add a suffix, "M" for Medical or leave it blank for non-medical.