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Desktop Power Supply
Nonstop Power Supply
eNSP Series
eNSP3 Series
eNSP4 Series
eNSP4-500P-SA0-H1V
HNSP4 Series
HNSP9 Series
mNSP3 Series
NSP2 Series
NSP6F Series
With +24V Output Nonstop Power Supply
Second Generation Power Supply
With +48V Output Nonstop Power Supply
With +24V Output Computer Power Supply
With +48V Output Computer Power Supply
System Rack Power Supply
Power Supply for Mechanicals
Battery Package
Options/Accessories
Power supply encyclopedia

Switching Mode Power Supply

PC Power supply

Power supply failure symptom

UPS: uninterruptible power supply system

NSP: Nonstop power supply
About Nonstop Power Supply
eNSP4-500P-SA0-H1V
AT uncomplianceATX complianceBaby AT uncomplianceEPS uncomplianceSFX uncomplianceTFX uncomplianceOther uncompliancePOS uncompliance
NSP Stocked product Inquiry / Quotations

One-second Backup Power Supply
One-second Backup Power Supply

- High capacity ATX12V power supply capable of one-second backup at blackout with a capacitor package connected(typical value at 180W output)
- Advantages of capacitor package
- Maintenance free (no need for periodical replacement)
- Corresponds to low- and high-temperature environment (0 to 60 deg C
- Quick charging in 2 minutes corresponding to frequent blackout- Light weight: 1.4kg typical
-Equipped with AC_FAIL signal (delivered at power failure: RS232C,TTL)
continuation maximum capacity
350W		 peak capacity
500.5W

*Output harnesses and a capacitor package are optional
Removable harness full set WHS2828 is recommended.
*Please use Metric Screw Threads, ("M3" screws) for PSU mounting.(Inch Screw Threads cannot be used.)
Safety UL complianceCSA complianceEN complianceCE complianceCCC unacquisition
Reliability grade HFA uncomplianceFA complianceHOA uncomplianceOA uncompliance
Function :For description of function, click each icon
DC Startup uncomplianceRS232C complianceTTL complianceSilent complianceRoHS Directive complianceConnection compliance
PFC complianceLead-free compliance5VSBFAN uncomplianceTSFCFAN complianceUSB uncompliance
Output specification
Output specification
Output connector: For description of function, click each icon
Output connector for ATX Mother Board compliance ATX 12V ver. 2.0 or later power supply with SSI power connector complianceAT motherboard output connector uncomplianceProcessor connector for ATX motherboard complianceATX Motherboard Auxiliary Connector uncomplianceProcessor Connector for SSI Motherboard compliance
PCI-Express compliancePeripheral connector complianceConnectors for FDDs complianceConnector compliant with the S-ATA (Serial ATA) standard compliance
Standard, specifications: For standard and specifications, click each item.
Compatible case size PS2
Outline drawing 150Wx86Hx140D
Weight 1.80 kg typ
Input Voltage AC 85-264V *Refer to specifications.
DC 380V (Dedicated capacitor package only)
Efficiency AC 73% typical at AC100V and 77% typical at AC240V
DC 80% typical
Power factor 99% typical at AC100V and 97% typical at AC240V
Input changeover system Worldwide
AC, DC input DC input is for dedicated capacitor package.
Safety UL60950, CSA C22.2 No.60950 (c-UL), EN60950, CE Marking (Low Voltage Directive)
High frequency current regulation Compliant with IEC61000-3-2 (Ed. 2.1) Class D and EN61000-3-2 (A14) Class D
EMI standard
(Input feedback noise)		 Compliant with VCCI Class B FCC Rules Class B and EN55022 Class B
CE marking Low Voltage Directive
EMS immunity Electrostatic discharge to meet EN61000-4-2
Radioactive radio-frequency electromagnetic fields to meet EN61000-4-3
Fast transient burst to meet EN61000-4-4
Lightning surge immunity to meet EN61000-4-5
Conductive radio-frequency electromagnetic field to meet EN61000-4-6
Power frequency magnetic field immunity to meet EN61000-4-8
Voltage dips and fluctuation to meet EN61000-4-11
MTBF 95,000H
Operating temperature 0 to 45 deg C with full-load, and to 60 deg C with 70% of load
Leakage current 0.5mA max. at AC100V, and 1mA max. at AC200V
Cooling systems
Insulation
Output ground connection
Signal unit Supported for SU-RS (RS232C),SU-BU (buzzer),, SU-US2 (USB)
Warranty Three years after delivery. However, if defects belong to us, the defective unit shall be repaired or replaced at our cost.
Automatic shutdown compatible OS:Click here for more information and installation.
WindowsXP complianceOperating on Linux complianceWindows 7 compliance
Windows 10 compliance
Compatible battery pack (Separately sold):When each icon is clicked, corresponding description is displayed.
Lead uncomplianceNickel Metal Hydride uncomplianceNickel Cadmium uncompliance Lithium Ion uncomplianceCapacitor compliance
BS13A-EC400/422F Capacitor package
Accessory (Optional)
ACC2637(PS2637) Automatic Startup Unit
ACC2734(PS2734) Clamp to prevent AC power cable coming off
NSP Pro 2 CD Media Shutdown software for Nonstop power supply
NSP Pro for 95/98 Shutdown Software for Nonstop Power Supply
NSP Pro for NT Shutdown software for Nonstop Power Supply
WH-M2024-500 20-Pin Mother Board Harness
WH-M2424-500 24-Pin Harness for Motherboard
WH-PP610-850 Peripheral Connector Harness(Peripheral*5 FDD*1)
WH-PS610-850 Peripheral Connector HarnessPeripheral Connector Harness(Peripheral*3 S-ATA*2 FDD*1)
WH-S0310-500 Fan Signal Harness (3P)
WH-S0610-500 Blackout Signal Harness for Nonstop Power Supply
WH-S0610-500-01 FAN Signal Harness (6P)
WH-V0408-500 +12V Power Connector Harness (4P)
WH-V0808-500 +12V Power Connector Harness (8P)
WH-VG208-500 +12V Power Connector Harness With PCI Express Compatible Connector
WH2601-01(PS2601-01) RS232C Cable
WH2601-02(PS2601-02) RS232C Cable(Windows 2000 and later)
WH2753(PS2753) AC Power Cable(PSE)
WHS2828 Removable Harness Set
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Instruction Manual Test data Product catalogue product specification