Schneider Electric Electrical Distribution and Power Management

Vocabulary terms and definitions covering Schneider Electric and Square D power distribution equipment, switchgear, monitoring software, and service solutions.

QO Miniature Circuit Breaker

A premium Square D thermal-magnetic breaker that provides overcurrent protection and switching for residential, commercial, and light industrial branch circuits.

Homeline Load Center

A residential electrical panel that distributes incoming power among branch circuits using Homeline breakers.

CSED (Combination Service Entrance Device)

An all-in-one service entrance product combining the utility meter socket, main disconnect, and potentially branch-circuit distribution in one enclosure.

Meter Main

A service entrance device that combines the utility meter socket and main disconnect into a single enclosure without branch-circuit distribution.

Energy Center Smart Panel

A smart electrical panel designed to simplify integration of loads such as solar, EV charging, batteries, and generators while providing energy monitoring.

Wiser Energy / Energy Monitor

A home energy monitoring solution that provides visibility into electrical consumption through a mobile application.

Meter Center

A centralized assembly containing multiple utility meter sockets and tenant disconnects or breakers, typically used in multi-unit residential and light-commercial buildings.

MP Meter-Pak

Meter center equipment best suited for smaller multi-unit projects, typically around two to six units.

EZ Meter-Pak

A modular metering system suited to larger multi-tenant projects with configurable options for mains, breakers, switches, and lugs.

Safety Switch

An enclosed switch designed to provide a visible electrical disconnect that safely isolates equipment or electrical loads from their power source.

Double Throw Safety Switch

A manually operated switch that allows an electrical load to be manually transferred between two separate power sources.

EcoStruxure Power Monitoring Expert (PME)

Schneider Electric's power and energy analytics platform designed to monitor electrical networks, analyze power quality, track energy consumption, manage alarms, and produce reports.

EcoStruxure Power Operation (EPO)

Schneider Electric's real-time electrical SCADA platform designed for monitoring, supervising, and controlling power-distribution networks.

PowerLogic ION9000

Schneider Electric's premium advanced power-quality and revenue-grade power meter designed for critical electrical networks and service entrances.

PowerLogic ION8650

A socket or switchboard meter primarily used for utility and revenue metering as well as substation applications requiring highly accurate electrical measurement.

HDPM6000

A high-density multi-circuit metering solution capable of monitoring large numbers of branch circuits in panelboards and busway systems.

EcoStruxure Panel Server

An all-in-one gateway connecting intelligent electrical devices to edge-control software and cloud applications.

AccuSine PCS+

An active harmonic filter that injects compensating current into the network to cancel harmonic currents and stabilize voltage.

VarSet

Schneider Electric's low-voltage capacitor-bank solution engineered for power-factor correction and reactive-power compensation.

Protective Relay

An intelligent device that monitors electrical quantities (such as current, voltage, and frequency) to detect abnormal conditions and command breakers to isolate faults.

PowerLogic P5

A protective relay platform engineered for demanding medium-voltage applications, offering advanced protection, extensive communications, cybersecurity, and monitoring.

Remote Terminal Unit (RTU)

An electronic device that collects field data and provides monitoring, communications, and control between electrical infrastructure and supervisory systems like SCADA.

PowerPacT

Schneider Electric's molded-case circuit breaker (MCCB) platform designed for commercial and industrial electrical distribution.

MicroLogic

The electronic trip-unit technology that serves as the intelligence or processor of compatible Schneider Electric circuit breakers to make protection decisions.

MasterPacT

Schneider Electric's heavy-duty low-voltage power circuit breaker platform used for mains and large feeders in switchgear and major switchboards.

NQ Panelboard

A Square D lighting and appliance panelboard designed for lower-voltage electrical distribution, typically operating up to $240\,\text{VAC}$.

NF Panelboard

A Square D panelboard designed for higher-voltage distribution systems, typically $480\text{Y}/277\,\text{V}$ applications.

MVP Panelboard

A Measurement and Verification panelboard that integrates high-density metering to monitor both the incoming main and outgoing branch circuits.

I-Line Panelboard

A higher-capacity distribution panelboard featuring a unique plug-on breaker connection system that attaches directly to the bus stack.

Powerlink

An intelligent lighting and load-control system that automatically switches circuits based on preprogrammed schedules or operating requirements.

FlexSeT

Schneider Electric's modular low-voltage switchboard platform designed to simplify assembly, installation, and maintenance while reducing lead times.

QED-2

A robust industrial Square D low-voltage switchboard platform offering advanced metering, monitoring, and protection options.

QED-6

A compartmentalized low-voltage switchboard utilizing drawout power circuit breakers with isolated bus, breaker, and cable compartments.

Power-Zone 4

Schneider Electric's low-voltage metal-enclosed switchgear that uses MasterPacT power circuit breakers for critical distribution applications.

SureSeT

Compact, air-insulated medium-voltage metal-clad switchgear that utilizes EvoPacT vacuum circuit breakers.

PremSeT

Compact medium-voltage switchgear utilizing Shielded Solid Insulation System (2SIS) and fixed vacuum circuit breakers for low maintenance.

Busway

A prefabricated electrical power-distribution system consisting of enclosed copper or aluminum busbars instead of bundled cables.

Buck-Boost Transformer

A small transformer used to make minor voltage adjustments when the available line voltage does not exactly match the required load voltage.

Mini Power-Zone

A compact low-voltage unit substation combining a step-down transformer, primary disconnect protection, and secondary circuit-breaker distribution in a single enclosure.

Model 6 Motor Control Center (MCC)

A centralized low-voltage assembly that distributes power and houses equipment to start, stop, protect, and control multiple electric motors.

TeSys T

An intelligent motor-management system that monitors electrical and thermal parameters to provide advanced control, protection, diagnostics, and communications.

Variable Frequency Drive (VFD)

An electronic controller that adjusts an AC motor's speed and torque by continuously varying the frequency and voltage of the supplied power.

Soft Starter

An electronic device that limits inrush current and torque by managing voltage acceleration and deceleration exclusively during motor starting and stopping.

EcoStruxure Asset Advisor

A cloud-based predictive and condition-monitoring service that analyzes data from connected electrical distribution equipment to prevent failures.

Static Transfer Switch (STS)

A solid-state electronic device that provides rapid, break-free switching of critical electrical loads between two independent AC sources.

InRow Cooling

Precision cooling equipment installed directly adjacent to IT racks in a data center to deliver cooling close to the heat source.

Automatic Transfer Switch (ATS)

A self-acting electrical transfer switch that senses source condition failures and automatically transfers electrical loads to an alternate power source.

Closed-Transition Transfer

A make-before-break transfer method that momentarily parallels two power sources to switch loads without any electrical interruption.

ASCO Power Control System (PCS)

A coordinated control and switchgear system that manages multi-generator paralleling, utility sources, load shedding, and priority distribution.

EcoConsult

Schneider Electric's engineering and advisory services portfolio focused on power system studies, assessments, audits, and design recommendations.

EcoFit

Schneider Electric's modernization service for retrofitting and replacing obsolete breakers or components while preserving existing switchgear enclosures.

Retrofill

A modernization method where an existing switchgear cell is structurally modified and refitted with bus adaptations to accept a new replacement circuit breaker.

EcoCare

A specialized service membership contract providing ongoing expert support, condition monitoring, proactive maintenance, and lifecycle management.

NFPA 70E

The standard established by the National Fire Protection Association covering electrical workplace safety requirements to protect personnel from electrical hazards.

NFPA 70B

The standard established by the National Fire Protection Association specifying maintenance practices for electrical equipment to ensure system reliability and safety.