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Welcome to Martek Power Abbott, Inc.


HM Series front end rectifiers :
HM4, HM8, HM12
400/800/1200 Watt Single & Multiple Output

INPUT CHARACTERISTICS   115 VAC, 1 PHASE
     Min. Typ. Max. Units
Input Voltage Range 90 115 130 VAC
Inrush Current    110   A
Power Factor at 60Hz, Full Load
Power Factor at 400Hz, Full Load		 0.79
0.78
Hold Up Time   80   mS
(Nominal Line to 200Vdc at Full Load)
Hold Up Time   180    mS
(Nominal Line to 200Vdc at Half Load)
Efficiency 95 %
Peak Input Current@Full Load
HM4 17 A
HM8   20   A
HM12

35

A
Transient Per MIL-STD-704, 180 VAC for 0.1 second (DC/DC converters must also be compliant)

 

INPUT CHARACTERISTICS   220 VAC, 1 PHASE
  Min. Typ. Max. Units
Input Voltage Range 180 230 260 VAC
Inrush Current   110   A
Power Factor at 60Hz, Full Load
Power Factor at 400Hz, Full Load		 0.82
0.58
Hold up Time   80   mS
(Nominal Line to 200Vdc at Full Load)
Hold up Time   180   mS
(Nominal Line to 200Vdc at Half Load)
Efficiency   95   %
Peak Input Current@Full Load
HM4   9   A
HM8 19 A
HM12  

24

  

A

 

INPUT CHARACTERISTICS
115 VAC,   3 PHASE   W Y E
  Min. Typ. Max. Units
Input Voltage Range 90 115 130 VAC
Inrush Current   125   A
Power Factor at 60Hz, Full Load
Power Factor at 400Hz, Full Load		 0.73
0.73
Hold Up Time   80   mS
(Nominal Line to 200 Vdc at Full Load)
Hold Up Time   200   mS
(Nominal Line to 200 Vdc at Half Load)
Efficiency   95   %
Peak Input Current@Full Load
HM4   9   A
HM8 14 A
HM12   19   A

 

INPUT CHARACTERISTICS
220 VAC,   3 PHASE   DELTA
 

Min.

 Typ. Max. Units.
Input Voltage Range 180 230 260 VAC
Inrush Current   130   A
Power Factor at 60Hz, Full Load
Power Factor at 400Hz, Full Load		 0.73
0.73
Hold Up Time   80   mS
(Nominal Line to 200 Vdc at Full Load)
Hold Up Time   200   mS
(Nominal Line to 200 Vdc at Full Load)
Efficiency 95 A
HM4   6   A
HM8 8 A
HM12   12   A

 

OUTPUT CHARACTERISTICS
Min. Typ. Max. Units
Output Current HM4              1.75 A
HM8 3.6 A
   HM12            5.6 A
Output Power HM4 400 W
  HM8            800 W
HM12 1200 W
Output Ripple 2   12 Vp-p
Output Voltage Range
  (5% Load Minimum)		 215 400 V
Output Voltage at Full Load 220   375 V
AC Leakage Current 5 mA
AC Power Good Voltage at 0 MA 4.8   V
AC Power Good Current at 4 Vo 0.8 mA
Isolation Non-isolated intended for use w/ DC/DC converters

 

THERMAL CHARACTERISTICS
     Min. Typ. Max Units
Operating Temp. Range -40 +100 °C
Storage Temp. Range -40       +105 ºC
Power Dissipation (Full Load)
HM4     20      W
HM8 25 W
HM12     30     W

 

MECHANICAL CHARACTERISTICS
  Max. Units
Weight

HM4

 2.5 Lb.
  1.15 Kg.

HM8

 3.7 Lb.
  1.7 Kg.
HM12 5 Lb.
  2.1 Kg.
Case Material Aluminum Alloy
Finish Block Anodized
Mounting 6, 10-32 inserts UNF-2B
Hookup Via Terminal Blocks