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SurgeX - SEQ1U - Programmable Sequencer Surge Eliminator

SurgeX - SEQ1U - Programmable Sequencer Surge Eliminator
SurgeX - SEQ1U - Programmable Sequencer Surge Eliminator SurgeX - SEQ1U - Programmable Sequencer Surge Eliminator

SurgeX - SEQ1U - Programmable Sequencer Surge Eliminator 

SurgeX Sequencers provide the sequencing parameters, conditioning, shutdown thresholds, and surge protection needed to safeguard audio, video, broadcast, and computer equipment. These units have robust management features and are extremely easy to install, program, and use. They include two always-on receptacles and four programmable banks. The SEQ models feature one "virtual" bank for controlling remote units, allowing for infinitely expanding distribution schemes. The SEQ also includes an LCD screen.

They are engineered with Advanced Series Mode® surge elimination technology to provide top-of-the-line protection. Superior to conventional MOV circuitry or MOV-Hybrid designs, they completely eliminate surge energy up to 6,000 volts without producing harmful side effects such as ground contamination or common-mode disturbances. Completely non-sacrificial and never needing reset, they provide the most reliable protection available. Our Sequencers also feature both common mode and normal mode impedance tolerant EMI/RFI filtering, SurgeX ICE (Inrush current elimination), and CouVS (Catastrophic over/under Voltage shutdown) for a complete power conditioning solution.


  • Advanced Series Mode surge protection
  • Three sequenced banks of four receptacles; two always-on receptacles
  • Setup stored in nonvolatile memory
  • Impedance Tolerant EMI/RFI filtering
  • Over/Under Voltage Shutdown
  • Inrush Current Elimination
  • Can be used to control other SurgeX products or daisy-chained with other SEQ sequencers (SEQ)
  • LCD screen (SEQ)


Load Rating
        20 amps @ 120 volts

Maximum Load Inrush Energy
        1400 Joules total during power-up

Surge Let-Through Voltage (6000-volt surge)
        0 volts

UL 1449 Adjunct Classification Test Results
        1000 surges, 6000 volts, 3000 amps, B3 pulse; Measured suppressed voltage: 170 volts; no failures

Federal Guidelines
        Grade A, Class 1, Mode 1 (CID A-A-55818)

EMI/RFI Filter, Normal Mode (50-ohm load) 
        > 30 dB 100 KHz - 50 MHz

EMI/RFI Filter, Common Mode (50-ohm load) 
        > 20 dB 1 MHz - 50 MHz

Under-Voltage Auto Shutdown
        Adjustable from 90V to 110V

Over-Voltage Auto Shutdown
        Adjustable from 130V to 150V

Maximum Applied Surge Voltage
        6000 volts*

Maximum Applied Surge Current
        Unlimited, due to current limiting*

Maximum Applied Surge Energy
        Unlimited, due to current limiting*

Endurance (C62.41-1991 Category B3 pulses)
        1 kV>500,000; 3 kV>10,000; 6 kV>1000

Control Inputs
        Momentary Switch, Latching Switch, Contact Closure or 5-30 Vdc

Input Control Current
        3 mA

DC Voltage Output
        12 Vdc, 40 mA maximum load

Auxiliary Relay Contact Rating
        30V DC at 1A

Contact Closure Max Resistance
        40 mA

12V DC Output Max Current
        100 Ω

Delay Times
        1 – 40 seconds in 1 second increments

        3.5" H x 19.0" W x 10.5" D
        (8.9 x 48.3 x 26.7 cm)

        16 lbs (7.3 kg)

Temperature Range
        5º to 35º C

Humidity Range
        5% to 95% R.H., non-condensing

Agency Listings
        UL 1449 3rd Edition
        UL 1283 5th Edition
        CSA C22.2 No.8-M1986 (R2008)

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