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Aircraft 115 VAC Power Supply Model M-168
The Aircraft Power Supply has three regulated outputs and will operate from 115 VAC 400 Hz aircraft power. All outputs have individual short circuit and over-voltage protection. All outputs are isolated from each other, chassis, and from primary power. Fault indicators are provided on the front panel for all outputs. Output isolation enables the user to configure the power supply for different output combinations such as +12 VDC output with isolated ground, and + 5 VDC output with isolated ground. The Power Supply is qualified to meet the EMC requirements of MIL-STD-461C and environmental requirements of MIL-STD-810E. The Power Supply includes EMI and RFI filtering for both input and output. The power supply withstands transient voltages defined by Mil Std 704A.
Specifications PDF
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Primary Power
• Primary Power: 115 VAC 400Hz,
Isolated from output.
• Maximum Power: <300 Watts.
• Power Switch: Locking Toggle.
• Fuse protection.
Environmental
• Operating Temperature: -0°C to
+55°C
• Degraded Performance: -25°C to <0°C
• Non-Operating Temperature: -40°C to
+71°C
• Shock: 10g’s for 10-12mS.
• Vibration: .01g2/Hz random vibration
spectrum from 15 to 2000 Hz. 4-prop
tones simulated by spike accelerated
.spectral densities centered at F=68Hz,
136Hz, 204 Hz, 272 Hz each.
• Cooling: Conducted through
aluminum chassis
EMI
Mil Std 461C -CE03, CE06
CS01,CS02,CS03,CS04,CS05,CS06
Output Voltages
• + 12.0 to 12.5VDC @ 12.5 amps
• +5.0 to 5.5VDC @ 20.0 amps
• Regulation over Line, Load, and Temperature.
• Individual short circuit protection on all
outputs at a minimum of 110% of rated output
current.
• All outputs isolated from each other, prime
power, and chassis.
• Individual fault indicators for each output
illuminate only when output voltages are
within specification.
• Ripple and noise less than 40mV p-p when
measured at connector.
Mechanical
• Weight: 7 pounds Max.
• Size: Depth 9.50” Max, Width 11.025” Max,
Height 2.875” Max.
• Mounting: 6 each 0.200 diameter through holes.
Connector J2 D38999/20-W-C-98-S-N
| Pin |
Function |
Pin |
Function |
| A |
+12VDC |
F |
+5VDC RTN |
| B |
+12VDC RTN |
G |
No Connection |
| C |
+12VDC |
H |
No Connection |
| D |
+12VDC RTN |
I |
No Connection |
| E |
+5VDC |
J |
Chassis |
Connector J1 D38999/20-W-A-98-P-N
| Pin |
Function |
| A |
115 VAC Hot |
| B |
115 VAC Neutral |
| C |
Chassis |
Outline and Mount Drawing
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(818) 781-2185
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© 2007 - EON Instrumentation Inc. All Rights Reserved