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Kepco Power Solutions
718-461-7000
   SERIES HSM OUTPUT CHARACTERISTICS
Specification Rating/Description Condition
Output Setting
Range
all except 48V: -80% to +10% (1) Of nominal output
48V model: -80% to +25% (1)
Source Effect typ.: 0.05% Nominal 15%
max.: 0.1%
Load Effect typ.: 0.05% 5% - 100% load, operation between 0 and 5% load results in increased ripple and degraded transient response.
max.: 0.1%
Temperature Effect typ.: 0.01% Per degree C (0 to 50C)
max.: 0.02%
Combined Effect
(source, load,
temperature & time)
typ.: 0.15%  
max.: 0.3%
Time Effect
(drift)
typ.: 0.05% 0.5 - 8.5 hours
max.: 0.1%
Startup Time max.: 1 second Any source/load
Recovery
characteristics
Excursion: <3% of nominal output 50 - 100% load
Recovery: 1000W: 100μsec
1500W: 300μsec
Return to 1% of setting
Ride through min.: 21.5 Milliseconds From loss of source to flag signal
Hold up Time min.: 5 Milliseconds After signal flag
Overshoot turn on: +3% max Any source,
5% - 100% load
turn off: none
Error Sense 3.3V & 5V: 0.25V Voltage allowance
per wire
all others: 0.4V
Series connection
(output floats)
  500V Maximum voltage off ground
Parallel connection
(for redundancy)
  Current shares within
5% of rated load
5% - 100% load
Selective overvoltage
shutdown
  Adjustable 100% - 140% of
nominal, factory set to 130%
Latched, reset by cycling source power off
Current limiting   Constant Current mode
Factory set 110% of IO max
Optional shutdown mode with 20 second delay
Remote on/off RC-1 Normally high Isolated form C or TTL
RC-2: Normally low
Overtemperature   Thermostat, auto restart With hysteresis
(1) External voltage programming only, otherwise -30% to +10%. -30% to +25% for 48V models
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KEPCO, INC. • 131-38 SANFORD AVENUE • FLUSHING, NY. 11355 U.S.A.
TEL (718) 461-7000 • FAX (718) 767-1102
www.kepcopower.com • email: hq@kepcopower.com