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Power Supplies
Industrial Power Panel Mount DIN Rail Open Frame Configurable Power Adapter Modules
Medical Power Open Frame Enclosed Adapter Configurable Power
LED Driver CC + CV Mode CC Mode CV Mode
Industrial Battery Charging Wireless Charging System Conductive Charging System

MDS-040APS12 B

Open Frame

MDS Open Frame Series

MDS-040APS12 B

Output Voltage

12V

Output Power

40W

Output Current

3.33A

Input Voltage Range

90-264Vac

Dimensions (L x W x H)

76.2 x 50.8 x 23 mm

3.00” x 2.00” x 0.91”

Unit Weight

0.08 kg (0.18 lb)

Highlights & Features
  • Safety Approvals to IEC 60601-1 & IEC 62368-1
  • Compliant with IEC 60601-1-2 4th Ed. Requirements
  • Low touch current (<0.1mA Normal & <0.3mA single fault)
  • Over-Voltage/Load/Temperature & Short Circuit protections
  • 3 Million Hours MTBF
  • 2 x MOPP (means of patient protection)
Model Description
MDS-040APS12 BA
Applications


MDS-040APS12 B
MDS-040APS12 B

Open Frame

MDS Open Frame Series

MDS-040APS12 B

Highlights & Features
  • Safety Approvals to IEC 60601-1 & IEC 62368-1
  • Compliant with IEC 60601-1-2 4th Ed. Requirements
  • Low touch current (<0.1mA Normal & <0.3mA single fault)
  • Over-Voltage/Load/Temperature & Short Circuit protections
  • 3 Million Hours MTBF
  • 2 x MOPP (means of patient protection)
Output Voltage

12V

Output Power

40W

Output Current

3.33A

Input Voltage Range

90-264Vac

Dimensions

76.2 x 50.8 x 23 mm

3.00” x 2.00” x 0.91”

Unit Weight

0.08 kg (0.18 lb)

Applications
Model Description
MDS-040APS12 BA

Download

Download

Datasheet

Uploaded on 08-May-2026

Image

Uploaded on 15-Feb-2026

Mechanical Drawing

Uploaded on 22-Apr-2020

.DXF

Uploaded on 22-Apr-2020

.STP

Uploaded on 10-Jun-2025

CB

Uploaded on 18-Oct-2023

CCC

Uploaded on 09-Oct-2023

CE & UKCA

Uploaded on 14-Jul-2021

REACH

Uploaded on 02-Mar-2026

RoHS

Uploaded on 02-Mar-2026

TSCA

Uploaded on 15-Nov-2023

UL

Uploaded on 15-Dec-2020

Tech Specs

Tech Specs

Output Current
3.33A
Output Voltage
12V
Output Voltage Range
Output Voltage Adjustment Range
-
Output Power
40W
Output Current Adjustment Range
Max Output Voltage
Buffering Time
-
Line Regulation
± 0.5%
Load Regulation
± 1%
PARD
-
Start-up Time
3000ms @ 115Vac
Hold-up Time
15ms @ 115Vac
Dynamic Response (Overshoot & Undershoot O/P Voltage)
± 3% @ 50-100% load
Start-up with Capacitive Loads
-
Remote ON/OFF
-
Protective Device
-
Voltage Drop Between Input and Output
-
Residual Ripple/PARD (20MHz)
-
Residual Ripple
-
Max. Power
-
Ripple & Noise
22.8mV pk-pk @ Full load
LED System Voltage Range in CC Mode
-
Rise Time
-
Power Boost Duration
-
Power Boost Recovery Time
-
Peak Power
-
Nominal Input Voltage
100-240Vac
Input Voltage Range
90-264Vac
Max Input Voltage
-
Nominal Input Frequency
50-60Hz
Input Frequency Range
47-63Hz
Nominal DC Input Voltage
DC Input Voltage Range
-
Input Current
0.85A @ 115Vac, 0.45A @ 230Vac
Input Power (Standby Mode)
-
Efficiency at 100% load
86.5% (typ.)
Inrush Current
30A @ 115Vac, 60A @ 230Vac (typ.)
Charging Time
-
Power Factor at 100% load
-
Leakage Current
0.1mA @ 264Vac Normal Condition,
0.3mA @ 264Vac Single Fault Condition
Nominal Current
-
Total Harmonic Distortion
-
Power Dissipation
-
Efficiency @ 10% load
-
Input Voltage Phase
-
Case Chassis / Cover
-
Indicator
-
Cooling System
-
Input Terminal
JST 2P Connector: B2P3-VH(LF)(SN)
Output Terminal
JST 4P Connector: B4P-VH(LF)(SN)
Signal Terminal
-
Noise Sound Pressure Level (SPL)
-
Input/Output Terminal
-
Signal
-
Mounting Rail
-
Wire
-
Protection Structure
-
Terminal
-
Unit Weight
0.08 kg (0.18 lb)
Dimensions
76.2 x 50.8 x 23 mm
3.00” x 2.00” x 0.91”
Vibration (Operating)
-
Shock Test (Operating)
-
Operating Temperature
-10°C to +70°C
Storage Temperature
-40°C to +85°C
Power De-rating
-10°C to +50°C 100% load
50°C to 70°C de-rate power by 2.5% / °C
Operating Humidity
10-95% RH (Non-Condensing)
Shock Test (Non-Operating)
50G 11ms, 3 shocks for each direction
Vibration (Non-Operating)
5-500Hz, 2.09Grms, 20 minutes for each three axis
Storage Humidity
-
Operating Altitude
3,000 meters (9842.52 feet)
Pollution Degree
-
Bump Test (Operating)
-
Over Voltage Category
-
Corrosion
-
Acoustic Noise
-
Shock
-
Vibration
-
Overvoltage
150%, Latch Mode
Overload / Overcurrent
150%-210% of rated load current, Hiccup Mode, (Non-Latching, Auto Recovery)
Over Temperature
Hiccup Mode, (Non-Latching, Auto Recovery)
Short Circuit
Hiccup Mode, (Non-Latching, Auto Recovery)
Reverse Polarity Protection
-
Degree of Protection
-
Protection Against Shock
Class I with PE* connection
Input Polarity Protection
-
Battery Polarity Protection
-
Wrong Battery Voltage Protection
-
Deep Discharge Protection
-
Overload
-
Overcurrent
-
Internal Fuse
-
Insufficient Input Voltage Protection
-
MTBF
3 Million Hours based on Telecordia SR-332
Expected Cap Life Time
-
Safety Certificate
-
Electrical Safety
IEC 60950-1 (Ed.2,2005), IEC 62368-1
CCC GB 17625.1; GB 4943.1; GB/T 9254.1
CE
In conformance with EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU
EN 60601-1: 2006 + A11: 2011 + A1: 2013 + A12: 2014 & EN 60601-1-2: 2015
Medical Safety
IEC 60601-1 CB report
EN 60601-1, CAN/CSA-C22.2 NO. 60601-1, ANSI/AAMI ES 60601-1
Galvanic Isolation
Input to Output: 4000Vac
Input to Ground 1500Vac
Output to Ground 500Vac
Industrial Control Equipment
-
Hazardous Location / ATEX
-
II 3 G ATEX 2014/34/EU
-
Electrical Equipments of Machines
-
Electrical Equipment for Use in Electrical Power Installations
-
Safety Entry Low Voltage
-
Maritime
-
Material and Parts
-
Isolation Resistance
-
PE Resistance
-
UKCA
In conformance with Electrical Equipment (Safety) Regulations 2016 and Electromagnetic Compatibility Regulations 2016,
Medical Devices Regulations 2002(UK MDR 2002)
Certificates for Other Countries
-
BIS
-
KC
-
Electrical Equipment for Measurement, Control, and Laboratory Use
-
ITE Safety
IEC 60950-1, IEC 62368-1, CCC GB 17625.1; GB 4943.1; GB/T 9254.1
SIL3
-
Emission
EN/BS EN 55011, EN/BS EN 55032, FCC Title 47:Class B
Immunity
-
Harmonic Current Emissions
IEC61000-3-2
Voltage Fluctuation and Flicker
IEC61000-3-3
ESD Immunity
-
Radiated Immunity
-
EFT
-
Surge
-
Conducted Immunity
-
Magnetic Field
-
Voltage Dips
-
Component Power Supply for General Use
-
Nominal Battery Voltage
-
Battery Voltage Range
-
Battery Capacity
-
Battery Charging Mode
-
End of Charge Voltage
-
Battery Fuse
-
Battery Discharging Voltage Range
-
Battery Charging Current
-
Battery Current Consumption
-
Discharging Current
-
Recommended Charging Voltage
-

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