PSMSC Series
Single, Dual, and Triple Outputs
Rev. C
Encapsulated PCB Mount and Chassis Mount
40 Watt AC/DC Medical Switching Power Supply
FEATURES
● High Efficiency
● Regulated Outputs
● Low Ripple & Noise
● 6 Mechanical Options Available
● Fully Encapsulated Plastic Case
● CE, CB, UL, cUL, TUV Approvals
● Switching Power Module for PCB Mounting
● -40°C to +71°C Operating Temperature Available
● Over Current, Over Voltage, Over Temperature, and Short Circuit Protected
DESCRIPTION
The PSMSC series of AC/DC medical power supplies offers 40 watts in an encapsulated design. This series has single, dual, and triple output
models with a universal input range. Some features include low ripple and noise, regulated outputs, high efficiency, and -40°C to +71°C operating
temperature option. All supplies are over current, over voltage, over temperature, and short circuit protected. This series is ideal for PCB mounting
and has 6 mechanical options available. Please call factory for ordering details.
SPECIFICATIONS: PSMSC Series
All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted.
We reserve the right to change specifications based on technological advances.
INPUT SPECIFICATIONS
Input Voltage Range
Input Frequency
90 ~ 264VAC or 100 ~ 375VDC
47 ~ 440Hz
Input Current (full load)
Inrush Current (< 2ms)
Leakage Current
860mA max @ 115VAC
10A max @ 115VAC
0.1mA max @ 115VAC
460mA max @ 230VAC
20A max @ 230VAC
0.2mA max @ 230VAC
OUTPUT SPECIFICATIONS
Output Voltage
See Table
Output Power
40 Watts max.
See Table
Voltage Accuracy
Line Regulation (typical)
Load Regulation
See Table
See Table
Output Current
See Table
Minimum Load
See Table
3.3VDC output: 50mV
Ripple & Noise
5V ~ 24VDC outputs: 1% of Vout
470 - 23,000µF depending on model
18ms min.
Maximum Capacitive Load
Hold-Up Time
PROTECTION
Over Current Protection
Over Voltage Protection
Short Circuit Protection
Over Temperature Protection
Input External Fuse Recommendation
GENERAL SPECIFICATIONS
Switching Frequency
Above 105% rated output power
Zener diode clamp
Hiccup mode, indefinite (automatic recovery)
100°C
3.15A slow blow type
132KHz
Efficiency
See Table
Isolation Voltage
4000VAC (input to output)
100MΩ (input to output)
Isolation Resistance
ENVIRONMENTAL SPECIFICATIONS
-25°C to +70°C (Max. Case Temperature +95°C)
-40°C to +71°C (add suffix “- E1” to the part number)
-40°C to +100°C
Operating Temperature
Storage Temperature
Humidity
95% RH
Cooling
Free air convection
Temperature Coefficient
MTBF
0.01%/°C
200,000 ~ 400,000 hours @ 25°C
PHYSICAL SPECIFICATIONS
Case Material
Plastic resin with fiberglass (flammability to UL 94V-0)
Weight
280g
Dimensions (L x W x H)
Warranty
3.5 x 2.5 x 1.06 inches [89.0 x 63.5 x 27.0 mm]
3 years
SAFETY & EMC
Class II
To IEC / EN 60536
UL / cUL / CB
EN 55011 class B
EN60601-1-2
EN60601-1-2
EN60601-1-2
EN60601-1-2
EN60601-1-2
EN60601-1-2
EN60601-1
Approvals
EMI / PFI Conducted
EMC Standards
ESD Susceptibility
Radiated Susceptibility
EFT / Burst
Surge
Conducted Susceptibility
Safety Approvals
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax 603-778-9797