Specification All specifications are typical at nominal input, full load at 25°C unless otherwise stated.
Output Specifications
Maximum power Input module B (for 4 slot only) 400 W
Input module C (for 4 & 6 slot) 600 W
Input module D (for 6 slot only) 1000 W
(1)
Output adjustment (Note 2) Multi-turn potentiometer
Line regulation ±0.1%
Load regulation 50% load change ±0.2%
Cross regulation ±0.2% typ.
Transient response (Note 3) <10%, <0.5ms
Temperature coefficient ±0.02%/°C
Ripple and noise (Note 4) 1.0% or
100mV pk-pk
Overvoltage protection Standard on all outputs
Overcurrent protection (Note 5) Individual current limit
Thermal protection Standard
Mains failure signal Option 06 or 07 5 ms warning
Output isolation (Note 6) Each single and dual
output fully floating
Margin See application note for individual
module margin capabilities
Minimum load (Note 7) Zero
Turn-on delay 90 VAC, full load 900 ms max.
Remote sense Single output modules only 0.5 V drop
Input Specifications
Input voltage range Universal input 88 to 264 VAC
125 to 370 VDC
Input frequency range (Note 8) 47Hz to 63 Hz
Inrush current 230 VAC @ 25°C 85A max.
Harmonic distortion (Power factor) EN61000-3-2
NOTES
1 1000 W peak power for 10 ms at low line. 800 W average power for
input voltage less than 180 VAC.
2 Outputs are user-adjustable or factory set to your requested voltage.
3 25% to 75% load change.
4 Whichever is greater. 20 MHz bandwidth. (See application note for
specification below 0°C).
5 Straight line on all outputs. On Module 70 current limit adjustable from
50% to 110%. Optional foldback on Module 70 or contact factory for
details see application note.
EMC Characteristics
Emissions: EN55022, FCC
Conducted ESM4B & ESM4C Level A
ESM6C & ESM6D Level B
Immunity:
Electrostatic discharge EN61000-4-2 Level 4
Radiated
RFI EN61000-4-3 Level 3
Fast transients - burst EN61000-4-4 Level 3
Input line surges EN61000-4-5 Class 3
Conducted RFI EN61000-4-6 Level 3
Voltage dips EN61000-4-11 Compliant
General Specifications
Hold-up time (Note 9) 20ms typ after loss of AC power
Efficiency 82% typ.
Isolation voltage Input/output 4000 VAC
Input/chassis 1500 VAC
Switching frequency 200 kHz
Approvals and (Note 11) IEC601-1, UL60601-1
standards CAN/CSA-C22.2 No. 601-1-M90
Leakage current <300 μA, 250 VAC, 60 Hz
Weight ESM4B, ESM4C 2.5 kg
ESM6C, ESM6D 3.5 kg
Size See mechanical specifications
MTBF See application note 400,000 hours
Environmental Specifications
Operating temperature See application note -20°C to +50°C
(See derating curve) Derate 2.5% per °C
up to +70°C
Storage temperature -40°C to +85°C
Relative humidity Non-condensing 5% to 95% RH
Shock 3000 bumps, 10 G (16 ms) half sine
Vibration 10-200 Hz, 1.5 G
6 100V isolation between each output and 500 V to chassis.
7 All outputs except Module 70, which has 5.0% minimum load for full
specification.
8 Contact factory for 400 Hz operation.
9 For nominal output voltages and full load.
10 The specifications contained in this data sheet are believed to be correct at
time of publication. Specifications are subject to change without notice.
11 This product is not intended for use as a standalone unit and must be
installed by authorized personnel in order to maintain approvals.
Principles of Operation
ESM Series, AC-DC Medical Power Supply Data Sheet
AUG 26, 2005 revised to DEC 05, 2006 Page 2 of 5 www.power-one.com