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www.insigniaproducts.com
Introduction
Congratulations on your choice of this Insignia
NS-PCW4050/NS-PCW4050-C or Insignia
NS-PCW5250/NS-PCW5250-C power supply. Please
read this manual carefully and follow the
instructions before installing the power supply.
This is an advanced power supply with excellent
acoustic and thermal performance and intelligent
thermal fan control technology that makes it
virtually silent. The power supply provides perfect
protection for your system and comes equipped
with two +12V rails that can handle a maximum
load of 18A for additional system reliability.
Safety information

Safety regulations

The power supply meets safety guidelines and
regulations for UL, cUL, and FCC.

Important safety instructions

• Do not place your system near a radiator or other
heat source.
• Do not place your system close to a source of
strong magnetic fields.
• Do not place your system in a moist or dusty
environment, or in an area subject to strong
vibration.
• Do not place your system in direct sunlight.
• Your computer must operate at a stable AC input
voltage.
• Your computer should not be situated directly
next to a heater or another heat source.
• Do not open the cover on the power supply case.
Dangerous voltages are present inside the cover.
Your warranty is void if the cover is removed.
• Never operate t he device with wet or moist
hands.
• Never place items in the openings or fan of the
power supply.
• M ake sure that the power cord is plugged into a
powered electrical outlet.
• Make sure that the power cord is plugged into the
power supply.
• Make sure that you connect your power supply
properly. Check your motherboard and graphic
card manuals for compatibility before connecting
the power supply to any of your devices.
Caution (for NS-PCW4050/NS-PCW4050-C only): Check the red
power supply voltage switch setting before installation. The
setting should be the same as your local power voltage (115V
for North America and 230V for Europe and other countries).
Change the voltage setting if necessary. Failure to take this
precaution could result in damage to your equipment and could
void your warranty.
Note: If the power supply does not work correctly, contact our
service center immediately at (800) 305-2204.
Power supply components and features
Power supply features include:
• The 520 Watt complies with the newest Intel
standard ATX 12V V2.31 and is downward
compatible to V2.2 and V2.0. The 400 Watt
complies with Intel standard ATX 12V V2.2 and is
downward compatible with V2.0
• Suppor ts Intel and AMD dual-core and multi-core
processors
• H igh-performance components designed for
better reliability
• Dual +12 V outputs for higher power capacity
• One 4+4 pin +12 V CPU connector for high-end
CPUs
• One 6+2 pin PCI Express connector for high-end
video cards
• 14 0 mm low-noise cooling fan
• All DC cables are mesh-sleeved. The length is
15.75 in. (40 cm)
• H igh reliability, including built-in protection
circuit OVP, OLP, SCP, and line input fuse
protection
Power supply components include:
NS-PCW4050/NS-PCW4050-C power supply
NS-PCW5250/NS-PCW5250-C power supply
AC power
jack
Cooling fan
Ventilat ion
grating
Voltage s witc h
ON/OFF switch
AC power
jack
Cooling fan
Ventilation
grating
NS-PCW4050-NS-PCW5250_14-0324_MAN_V1_ENG.book Page 1 Tuesday, April 1, 2014 7:30 AM