15A Standard Power Conditioner with Sequencer

Install an M-8S in your rack, and the eight outlets in the rear panel will power up in sequence and protect all your equipment up to a 15-amp load.


Merit M-8S Power Sequencer is the perfect low-cost AC power solution for any rack mount system where power sequencing is desired.

Install an M-8s in to the top slot of your rack, and the six delayed outlets in the rear panel will power up sequentially and protect all your equipment up to a 15-amp load.

Includes 3 delayed outlet banks – each with 2 outlets – plus 2 unswitched outlets.


  • Power Sequencing
    • Prevents excessive inrush currents.
    • Six sequenced rear panel outlets (in three groups), two unswitched rear panel outlets, and one front panel unswitched outlet.
    • Momentary and maintained sequencing via rear panel terminal block or front panel switch (momentary only).
  • Noise Filtration
    • Noise filtering to reduce radio frequency and electromagnetic interference.
  • Surge Protection
    • Ensures equipment stays safe.
  • 9 Total Outlets
    • Eight rear panel outlets and one front panel convenience panel outlet.
  • 15 Amp Rating
    • 15 amp rating, with circuit breaker.
  • “Protection OK” Indicator
    • Front panel indicator LEDs for Outlet Banks, Protection OK and Power Status.
  • Wall Wart Spacing
    • Rear outlets have been spaced to accommodate even the bulkiest of wall warts and adapters.
  • All settings and configurations available on rear panel.


Maximum AC Current Rating 15 Amps, 120 VAC (Thermal breaker)
AC Cord 14AWGx3, 10 feet, black, fixed, NEMA 5-15P plug
Convenience Outlet (Front Panel) 1 Un-switched NEMA 15-5R
Rear Panel Outlets 2 Un-switched NEMA 5-15R (1 duplex)
6 Sequenced NEMA 5-15R (3 duplexes, each controlled by separate relay)
AC Surge Protection Merit Class (sacrificial)
Spike Protection Mode Line to neutral, zero ground leakage
Max Continuous Operating Voltage 130V RMS
Max Clamp Voltage 500 Volts Peak
Peak Impulse Current 12,000 Amps
Energy Rating (2 X 820µS) 225 Joules
AC Filtering Pi LCR Filter
Noise Attenuation >26dB, 100 Khz to 1 MHz
Operating Temperature Range 5C (40F) to 40C (105F) degrees
Humidity Range <90% rH (Relative Humidity)
Rocker Switch Front panel, Sequence (ON, OFF)
Thermal Circuit Breaker Front panel, push to reset
Front panel indicators Delay 1, Delay 2, Delay 3, Power, Protection OK
Control/Status/Triggering (Rear Panel) Rear Panel DIP Switches: 12V Mode On/Off,
GND Mode On, Momentary/Maintained
Potentiometer Rear panel, time calibration fine tune delay adjust
Remote Terminal +5-30VDC In, 12VDC (12mA) Out
Remote Terminal Phoenix type 4-Pin Connector with Screw terminals; +12V, STAT, REM, GND (Class 2 Wiring)
Size 1.75” X 19.00” X 6.5” (HWD) – ANSI 1RU
Mass 5.3 lbs.
Power Consumption (No Load) 5 Watts
Safety Agency C/CSA/US

Other Specifications

  • FamilyMerit Series
  • Line Voltage120 (Volts)
Shipping Info
  • Length21.9 (Inches)
  • Width9.4 (Inches)
  • Height3.4 (Inches)
  • Weight7.65 (Lbs)
  • Unit of MeasureEach
  • UPC654061041078
  • Master Pack Qty6


3 Year Limited Warranty