SurgeX SEQ Power conditioner + sequencer

Product Overview

The SurgeX SEQ is a commercial-grade 120V, 20-amp AC power sequencer and power conditioner designed for AV system integration in professional rack-mount installations. As a primary keyword target for AV power sequencer with surge protection, the SEQ addresses one of the most common sources of AV system failure: uncontrolled power-up order. The unit combines three sequenced outlet banks with SurgeX Advanced Series Mode surge elimination, making it an essential component for conference room AV racks, broadcast studios, and large-format AV deployments where equipment startup sequence directly affects system reliability and audio quality.

Product Description

The SurgeX SEQ occupies two rack spaces in a standard 19-inch equipment rack and provides fourteen 120V rear-panel receptacles: two always-on outlets and twelve across three independently sequenced banks (A, B, C) of four receptacles each. This structure gives the AV integrator precise control over which device classes receive power first — typically displays and processors before amplifiers — to prevent the audible pops and damaging inrush currents that occur during simultaneous power-up of an entire rack system.

A three-line backlit LCD on the front panel displays live status information and serves as the interface for all programming. Two screwdriver-accessible rotary encoders allow the installer to configure time delays between bank sequences, voltage thresholds, remote input behavior, and power-failure recovery mode without removing the unit from the rack. An optional password of up to six characters protects the configuration from unauthorized changes.

The SEQ's built-in AC voltmeter uses peak-reading technology to accurately reflect the voltage actually available to connected equipment rather than the RMS average, providing a more meaningful indicator for troubleshooting power quality in commercial AV environments. The unit's Advanced Series Mode technology eliminates surge energy up to 6,000 volts with zero let-through voltage, and produces no ground contamination or common-mode disturbances — a critical consideration in noise-sensitive audio installations.

For larger AV systems, two or more SEQ units can be daisy-chained to extend sequenced power control across additional rack positions. The programmable auxiliary relay output and 12V DC output allow the SEQ to control other SurgeX products or downstream AV equipment, while three remote-control inputs accept DC voltages from 5V to 30V or contact closures from control systems such as AMX, Crestron, or Extron. All connections are made at the rear panel, keeping front-panel access clean and rack servicing straightforward.

Key Features

• Three Sequenced Outlet Banks — Four receptacles per bank (A, B, C) with programmable time delays to prevent inrush current stacking and audible artifacts on power-up.
• Advanced Series Mode Surge Elimination — Eliminates surges up to 6,000 volts with zero let-through voltage; rated A-1-1 under UL 1449 Adjunct Endurance Testing.
• Two Always-On Outlets — Dedicated always-on receptacles keep critical reference equipment or network devices powered regardless of sequencing state.
• Backlit LCD Display — Three-line display provides real-time voltage and system status, with full menu access for on-site programming without removing the unit from the rack.
• Built-In Peak-Reading AC Voltmeter — Monitors peak line voltage rather than RMS average for a more accurate assessment of power quality at the point of equipment load.
• Remote Control Inputs — Three inputs accept DC voltages (5–30V) or contact closures, enabling integration with building control systems, AMX, Crestron, and Extron processors.
• Daisy-Chain Expandability — Two or more SEQ units can be cascaded together and linked via auxiliary relay to coordinate sequencing across larger multi-rack AV installations.
• Programmable 12V DC Output — Powers LEDs or a small relay to provide visual or electromechanical confirmation feedback for integrators and end users.
• Password Protection — Up to six-character password prevents unauthorized access to sequencing configuration and voltage threshold settings.
• Non-Volatile Memory — All programming is retained through power outages; the unit can be configured to restore its last power state or remain off after a power failure.
• ICE Inrush Current Elimination — Actively manages inrush current at power-up to protect connected equipment and prevent nuisance breaker trips in commercial electrical installations.
• Magnetic Shielding Steel Enclosure — Heavy-gauge steel chassis with magnetic shielding reduces EMI interference to audio signal paths in the same rack.

Typical Applications

• Conference room
• Boardroom
• Auditorium
• Broadcast studio
• Training room
• Multi-purpose room
• House of worship
• Government space

Technical Specifications

Frequently Asked Questions

What is the difference between the SurgeX SEQ and the SEQ-1U?

The SEQ is a 2U rack-mount unit with fourteen outlets and a full LCD interface. The SEQ-1U is a 1U form factor with eight outlets and a compact front panel, suited for installations where rack space is limited. Both use the same Advanced Series Mode surge elimination technology.

Can the SEQ be integrated with a Crestron or AMX control system?

Yes. The three remote control inputs accept DC voltages from 5 to 30V or contact closures, which are compatible with relay outputs on Crestron, AMX, Extron, and similar control processors. The programmable 12V DC output and auxiliary relay can also provide status feedback to the control system.

How does power sequencing prevent damage to AV equipment?

Powering all devices simultaneously generates stacked inrush current spikes that can trip circuit breakers and cause transient voltage stress on equipment power supplies. Sequential power-up with adjustable time delays between banks distributes the inrush load over time, reducing peak current demand and extending equipment life.

What happens to the programmed settings after a power failure?

All settings are stored in non-volatile memory and are retained regardless of power interruptions. The unit can be programmed to either restore its previous power-on state automatically or remain off until manually restarted, depending on the installation requirement.

Can two SEQ units be connected to handle a larger system?

Yes. Two or more SEQ units can be daisy-chained. The auxiliary relay output of one SEQ can trigger the remote input of the next unit, allowing coordinated sequencing across multiple rack positions in larger commercial AV installations.

Does the SEQ produce any ground contamination during surge suppression?

No. SurgeX Advanced Series Mode technology absorbs and converts surge energy rather than diverting it to ground. This means no ground contamination and no common-mode disturbances are introduced into the power system — an important consideration in audio-critical environments.

Is the SEQ suitable for government or federal installations?

Yes. The SurgeX product line is rated Grade A, Class 1, Mode 1 per CIDA-A-55818 federal guidelines, meeting the most stringent government purchase specifications for branch circuit surge suppressors.