Technical Specifications

850W
Model 884HS
Step-Down Sealed DC-DC Converter
Design Features
- Wide Range Input Voltage
- High Efficiency Design
- Hi Ingress Rating, IP 676
- Adjustable Output Voltage
- Optional Remote Output Voltage Sensing
- Optional Remote On/Off switching
- Low Voltage cutout
- High Voltage cutout
- Electronically Current Limited
- Thermally Protected
- Low No Load Power Consumption
- I/O Bayonet Quick Connection
MODEL NO.
884 HS
NOMINAL INPUT VOLTAGE RANGE 22 VDC to 60 VDC
INPUT CURRENT WITH LOAD AT 55A; 13.6 Vout 32A measured with input at 24.0 V
< 160 mA over entire input and output ranges
OUTPUT VOLTAGE NOMINAL 13.6 VDC (factory adjusted)
OUTPUT VOLTAGE ADJUSTMENT RANGE 11.8 VDC to 14.5 VDC (internally accessible to user)
200 mV (without remote sensing)
30 mV (with remote sensing)
OUTPUT RIPPLE 50 mV RMS at maximum load (measured at 25C)
POWER SURGE 1000 W
MAXIMUM LOAD CURRENT 60 ADC, for output voltage setting 12.0-14.0 VDC
EFFICIENCY Not less than 95% over entire operating range
HIGH INPUT VOLTAGE SHUTDOWN > 61.0 VDC
Knee current limit starting at 110% of maximum current
OVER TEMPERATURE SHUTDOWN Via internal thermostat, self resetting
By conduction through base plate and convection
FUSING Customer accessible by front panel removal
Via 2 pins on the output connector
usage is optional
OPERATING HUMIDITY 100% non condensing
MOUNTING SLOT CENTERS (in./cm.) 10.0 x 7.3 / 25.4 x 18.5
HOUSING MATERIAL All Aluminum
WEIGHT, (lb./kg.) 12 /5.5
NOTE: Specifications are subject to change without notice. Rev 10/15/2019
ISOLATION
GENERAL
INPUT
CONNECTIONS
OUTPUT LOAD REGULATION
REMOTE SENSE
REMOTE TURN ON
PROTECTION
OUTPUT
MAXIMUM INPUT VOLTAGE RANGE
INGRESS RATING
DIMENSIONS, (in./cm.) (L x W x H)
MAXIMUM CONTINUOUS OUTPUT POWER
LOW INPUT VOLTAGE SHUTDOWN
COOLING
INPUT/ OUTPUT CONNECTION
20 to 61 VDC
INPUT CURRENT AT NO LOAD
OUTPUT VOLTAGE REGULATION < 0.2%
15.5 x 8.0 x 2.9 / 39.4 x 20.3 x 7.4
IP 676
850 W
< 10.5 +/-0.3 VDC
Via 9 pin Bayonet connector
Via pin to -ve on input connector,
may be disabled via internal jumper
Ground (return) common to input and output
OPERATING TEMPERATURE RANGE -40C to 70C, 100% loading
OVERLOAD SHUTDOWN
SEC America Corp.
SECAmericaCorp. www.secamerica.com 1(802)8658388[e-mail]