4www.insigniaproducts.com
• M ake sure that the system board power supply
cable is securely connected to the system board
connector (24 pin or 20 pin).
• M ake sure that all power supply cables to
peripheral devices, such as hard drives, optical
drives, and fans, are securely connected. Any
loose power cable connections may cause the
power supply to operate incorrectly.
• The power supply may be overloaded. Unplug
any unnecessary components, such as extra
drives, then try again.
• I f the power supply is very hot, check the case
fans and the power supply fan. Replace any faulty
case fans, then try again.
• I f you have the NS-PCW4050/NS-PCW4050-C,
make sure the power switch (I/O) on the back of
the power supply is set to ON (I).
Specifications

400 Watt Power Supply

520 Watt Power Supply

Legal notices

FCC warning

This equipment may generate or use radio frequency energy.
Changes or modifications to this equipment may cause harmful
interference unless the modifications are expressly approved in
the instruction manual.The user could lose the authority to
operate this equipment if an unauthorized change or
modification is made.
Caution:
Any change or modification to the equipment not
expressly approved by the manufacturer or its authorized
parties could void your authority to operate the equipment.

UL statement

Any information or documentation provided to you involving UL
Mark services is provided on behalf of Underwriters Laboratories,
Inc.
Products that bear the UL Mark are identical to those that were
evaluated by UL and found to be technically compliant with the
UL’s applicable requirements.
For further information regarding the use of UL marks, please
visit the UL Website at www.ul.com.
Output Voltage +12V1DC +12V2DC +5VDC +3.3VDC -12VDC +5Vsb
Max Load 8.0 A 14.0 A 20.0 A 20.0 A 0.3 A 2.5 A
Min Load 1.0 A 1.0 A 0.3 A 0.5 A 0.0 A 0.0 A
Max Watt 300 W
Peak Power 400 W
Regulation ±5% ±5% ±5% ±5% ±10% ±5%
Ripple 120 mV 120 mV 50 mV 50 mV 120 mV 50 mV
Noise 120 mV 120 mV 50 mV 50 mV 120 mV 50 mV
Power Good
Signal
100-500 mS
Power Fail
Signal
1 mS Min.
Hold-up
Time
16 mS Min.
Dimensions 5.5 × 3.4 × 5.9 inches (W × H × L)
140× 86 × 150 mm ( W × H × L)
Output Voltage +12V1DC +12V2DC +5VDC +3.3VDC -12VDC +5Vsb
Max Load 18.0 A 16.0 A 18.0 A 20.0 A 0.3 A 2.0 A
Min Load 1.0 A 1.0 A 0.5 A 0.3 A 0.0 A 0.005 A
Max Watt 420 W
Peak Power 520 W
Regulation ±5% ±5% ±5% ±5% ±10% ±5%
Ripple 120 mV 120 mV 50 mV 50 mV 120 mV 50 mV
Noise 200 mV 200 mV 100 mV 100 mV 200 mV 100
mV
Power Good
Signal
100-500 mS
Power Fail
Signal
1 mS Min.
Hold-up
Time
16 mS Min.
Dimensions 5.5 × 3.4 × 5.9 inches (W × H × L)
140× 86 × 150 mm ( W × H × L)
NS-PCW4050-NS-PCW5250_14-0324_MAN_V1_ENG.book Page 4 Tuesday, April 1, 2014 7:30 AM