(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.

  • Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 19/4/2026 to 7:00 (MYT) 20/4/2026. We apologize for the inconvenience.
  • [Notice] Japan & China Golden Week holidays will start from 29 April to 6 May 2026. Kindly expect longer response from suppliers and possible delivery delay due to high volume of shipments after holiday. Early order placement is recommended. More details
  • [Announcement] MISUMI Malaysia website new user interface. Clearer navigation, easy product search and more. Explore now! May contact us at (60) 3 7890 6399 for any inquiries.

Power Failure Detector S87A (Part Numbers)

Power Failure Detector  S87A

[Features]
Omron product. A blackout detector that monitors the power supply (commercial AC power) of the control unit. Instantaneous detection of voltage drops, power failures, and instantaneous power failures. Input voltage is AC100V or AC200V by individual specification.

PDF

Japanese Only

Part Number

Configured Part Number is shown.

S87A-11N

Power Failure Detector Specifications

Power Failure Detector S87A: related images

Power Failure Detector appearance

Power Failure Detector S87A: related images

Power Failure Detector outline diagram

Power Failure Detector S87A: related images

Power Failure Detector dimensional outline drawing; unit: mm
Note. Terminal screws: size M3.5 × 8 SEMs screws

Power Failure Detector S87A: related images

Power Failure Detector dimensional outline drawing; unit: mm

Power Failure Detector S87A: related images

Power Failure Detector mounting hole drilling outline drawing; unit: mm
Note. When installing two or more units, make sure to install with a minimum distance of L=22.5 mm between each unit.

Power Failure Detector S87A: related images

Power Failure Detector internal connection diagram

Power Failure Detector S87A: related images

Power Failure Detector external connection diagram

Power Failure Detector S87A: related images

Power Failure Detector names of parts and terminal layout

  • (1) (2): input terminal
  • (3) (4): detection time switching terminal
  • (5) (6): output terminal
ItemModel
Model S87A-11NModel S87A-12N
Rated Voltage100/110/120 V AC200/220/240 V AC
Allowable Voltage Fluctuation Range85 to 132 V170 to 264 V
Rated Power Consumption1.5 VA or less2.0 VA or less
Rated Frequency50/60 Hz
Detection Time*10 ms±1.5 ms / 20 ms±1.5 ms (switching method)
Voltage Detection70 to 80 V140 to 160 V
  Open collector output of transistor: 30 V DC, 150 mA Max.
OutputLeakage Current0.1 mA (When 30 V DC is applied)
Residual Voltage2 V (At 150 mA)
Ambient Operating Temperature-10 to +60°C (However, there should be no condensation or freezing.)
Ambient Operating Humidity35 to 85%
Insulation ResistanceAt 500 V megger, 100 MΩ Min. (between input and output circuits)
Dielectric Withstand Voltage2,000 V AC for 1 min (between input and output circuits)
Vibration ResistanceMust produce no abnormalities at 10 to 55 Hz, with single amplitude of 0.375mm for 2h in 3 directions
Shock ResistanceMust produce no abnormalities at 294 m/s2, 3 times each in 6 directions

*The measurement conditions for detection time are from when the power is cut at the 90° phase on the electric waveform until the output signal phase is inverted.

  • *Please refer to the catalog for specifications not listed above.
Part Number
S87A-11N
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to Ship

MYR 517.44

1 Piece(s) 1 Day(s)

Loading...

  1. 1
 

Basic Information

Rated Input Voltage(V) AC100/110/120V Detection Voltage(V) AC70 to 80V

Additional Products in this Category

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations)
Tel:(60) 3 7960 8499 / FAX:(60) 3 7960 7499
9:00am - 6:00pm (Monday - Friday)
9:00am - 1:00pm (Saturday)