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Nonstop Power Supply with Detachable Backup Function (USB signal type)
 eNSP-300P-S20-16S -Protects your PC at blackout with backup function
-300W peak output; with 12V connector
-Silent operation with thermal-sensing fan control
-Signal unit, fan, and nonstop unit can be replaced
-USB signal unit for shutdown control is a standard equipment
-USB signal unit can be replaced with RS232C signal unit or buzzer unit(sold separately)
Click here to download USB driver software.
*USB cable shall be prepared by the customer.
*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 uncomplianceRS232C uncomplianceTTL complianceSilent complianceRoHS Directive complianceConnection uncompliancePFC complianceLead-free compliance5VSBFAN complianceTSFCFAN uncomplianceUSB uncompliance
Output specification
Output specification ,Continuous 203.6W,Peak Capacity 303.6W
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 complianceProcessor connector for ATX motherboard complianceProcessor 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 150Wx86Hx155D
Weight 2.00 kg typ
Input Voltage AC 85-264V
DC 24V (Dedicated battery package only)
Efficiency AC 68% typ(AC100V)/71% typ(AC240V)
DC 67% typ(24V)
Power factor 98% typ(AC100V)/92% typ(AC240V)
Input changeover system Worldwide
AC, DC input DC input is dedicated to battery package
Safety UL60950, CSA-60950,CE marking(IEC62368-1)
High frequency current regulation IEC61000-3-2 Class A EN61000-3-2 Class A compliant
EMI standard
(Input feedback noise)
VCCI Class B FCC Regulation Class B EN55022 Class B compliant
CE marking Low voltage and EMI directive and RoHS2.0
EMS immunity Electrostatic discharge: EN61000-4-2 compliant
Radiated,radio frequency electromagnetic field: EN61000-4-3 compliant
Fast transient burst: EN61000-4-4 compliant
Lightning surge: EN61000-4-5 compliant
Conductive radio frequency electromagnetic field: EN61000-4-6 compliant
Power frequency magnetic field: EN61000-4-8 compliant
Voltage dips/regulation: EN61000-4-11 compliant
MTBF 105,000H
Operating temperature 0 to 40 deg C (100%), 50 deg C (60%)
Leakage current 0.5mA max (AC100V), 1mA max (AC240V)
Cooling systems Forced air cooling
Output ground connection Connected to chassis
Signal unit SU-RS(RS232C), SU-BU(buzzer), SU-US(USB) compliant
Warranty Three years after delivery. However, if defects belong to us, the defective unit shall be repaired or replace at our cost.
Automatic shutdown compatible OS:Click here for more information and installation.
WindowsXP complianceWindows 7 complianceWindows 10 complianceOperating 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)
RBS01A-P24/2.2L Removal Battery Pack for Nonstop Power Supply
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
WH2601-01(PS2601-01) RS232C Cable
WH2601-02(PS2601-02) RS232C Cable(Windows 2000 and later)
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