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> Astec switching power supply smps 18V 22A 400W psu uk
Astec switching power supply smps 18V 22A 400W psu uk
Extracts from the data sheet are shown below. If you want a copy of the data sheet then E-Mail me and i will send it.
Current share on all outputs with ratings
Remote sense on all outputs with ratings
Overload protection on all outputs
Voltage adjustment on all outputs
Margining on all single output modules
Input-OK-signal and status indicator LED
Global DC OK signal and status indicator LED
Global and individual module inhibits/enable
Forced air cooling, field replaceable fan
IEC EN61000-3-2 harmonic distortion compliance
Optional VME timing and system DC OK module
Low leakage option for medical applications
Immunity - EN61000 -4, -2, -3, -4 & -5 Level 3
(derate each output linearly to 50% at 70
C to 40 C max. with rear air option)
Shock/Vibration: Mil-Hdbk 810E
Temperature coefficient: 0.02% per
Cooling: Internal DC fan (Field replaceable)
BABT Compliance to EN 60950, BS 7002
Input voltage ........................... 85-264 VAC
Frequency .............................. 47-440 Hz
Inrush current ......................... 40 A peak max.
Efficiency ................................ 70-80% typ. @ full case load
Power factor ........................... 0.99 typ. meets EN61000-3-2
Turn-on time ...........................AC on 1.5 sec typ.,
EMI filter standard .................. CISPR 22
EMI filter (low leakage option) ...CISPR 22
Leakage current standard ...... 2.0 mA max. @ 240 VAC
(low leakage option). .............. 300
Radiated EMI ......................... CISPR 22
Holdover storage .................... 20 ms minimum
AC OK .................................... >5 ms early warning min. before
Harmonic distortion ................ Meets EN61000-3-2
Isolation .................................. Meets EN60950
Global Inhibit/Enable .............. TTL, Logic
Input fuse (internal) ................ MP4: 10 A
Adjustment range ...................
Margining ...............................
Overall reg .............................. 0.4% or 20 mV max.
Ripple .....................................RMS: 0.1% or 10 mV,
Dynamic response ................. <2% or 100 mV, with 25%
Recovery time ........................To within 1% in <300
Overcurrent protection ........... Single, main of dual output
Triple output module Internally
Short circuit protection ........... Protected for continuous short
circuit. Recovery is automatic
Overvoltage protection ........... Single output modules
(measured at sense 2-5.5 V 122-134%
provided. Recycle the AC input
protection ............................... 100% of rated output current
Thermal protection ................. All outputs disabled when
operating range. >5 ms warning
(AC OK signal) before shutdown
Remote sense ........................ Up to 0.5 V total drop
Single wire parallel ................. Current share to within 2% of
DC OK .................................... -2% to -8% of nominal for any
Minimum load ......................... Not required on single or triple
Bias voltage ............................ 5 VDC @250 mA max. present
(Consult factory if higher output
Module inhibit ......................... TTL, isolated, singles and dual
Switching frequency ............... 250 kHz
Output/Output isolation .......... >1 Megohm
If you have any questions then please ASK
