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DC24V Input/250W Output Nonstop Power Supply, DC Startup available
 NSP2-250-D2S •Battery backup function secures PC against hazards caused by Power Failure
•Able to activate DC startup, also able to use DC input power supply in addition to the backup function. (Simultaneous AC/DC input is available.)
•DC input circuit is isolated from GND so that no specific power environment is required.
•Active filter is installed in AC input circuit responding to worldwide input.
•Successor to NSP2-180 series
*Please use Metric Screw Threads, ("M3" screws) for PSU mounting.(Inch Screw Threads cannot be used.)
Function :For description of function, click each icon
DC Startup complianceRS232C complianceTTL complianceSilent uncomplianceRoHS Directive complianceConnection uncompliancePFC complianceLead-free uncompliance5VSBFAN uncomplianceTSFCFAN uncomplianceUSB uncompliance
Output specification
Output specification ,Continuous 230.5W
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 uncomplianceATX20+4Pin uncomplianceAT motherboard output connector uncomplianceATX Motherboard Auxiliary Connector uncomplianceProcessor connector for ATX motherboard uncomplianceProcessor Connector for SSI Motherboard uncompliancePCI-Express uncompliancePCI-E 8Pin uncompliancePeripheral connector complianceConnector compliant with the S-ATA (Serial ATA) standard uncomplianceConnectors for FDDs 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
DC 20-32V (DC startup available)
Efficiency AC 68% typical at AC100V and 70% typical at AC240V
DC 70% typical at 24V
Power factor 98% typical at AC100V and 94% typical at AC240V
Input changeover system Worldwide
AC, DC input Available (External diode for charge prevention is required when DC power supply is connected.)
Safety UL60950, CSA60950,
High frequency current regulation Compliant with IEC61000-3-2(Ver. 2.1) Class D
EMI standard
(Input feedback noise)
Compliant with VCCI Class A FCC Rules Class A and EN55022 Class A
CE marking
EMS immunity Lightning Surge immunity to meet EN61000-4-5
MTBF 91,000H
Operating temperature 0 to 60 deg. C (50 deg. C to meet safety standard)
Leakage current 0.5mA max. at AC100V and 1mA max. at AC240V
Cooling systems Forced air cooling
Output ground connection Connected to chassis
Signal unit
Warranty Three years after we deliver. 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 uncomplianceWindows 7 uncomplianceWindows 10 uncomplianceOperating on Linux compliance
Compatible battery pack (Separately sold):When each icon is clicked, corresponding description is displayed.
Lead complianceNickel Metal Hydride compliance Lithium Ion uncomplianceCapacitor uncompliance
BS05A-P24/2.2L 5-inchi bay Fixed Type Lead battery Package
BS06A-H24/2.5L Ni-MH Battery Package compatible with 24V Lead-acid battery
BS06B-H24/2.5L Ni-MH Battery Package compatible with Lead-acid battery package (Cycle Use)
RBP01A-P24/2.2L Replacement battery for Removable Battery
Accessory (Optional)
ACC2637(PS2637) Automatic Startup Unit
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
WH2601-01(PS2601-01) RS232C Cable
WH2753(PS2753) AC Power Cable(PSE)
WH5055(PS5055) ATX to AT Conversion Harness
Download Product and Technical Information
Instruction Manual Test data Product catalogue product specification