Schweitzer Engineering Laboratories Inc.
Pullman, WA 99163
Aug 06, 2008 SEL Distribution Automation Control System analyzes and detects permanent fault conditions such as broken jumpers, loss of substation source, and lockout due to miscoordinated protective devices, isolates affected feeder sections, and restores power to unaffected sections to reduce outage times. With ability to automate up to 6 sources and 100 devices, system includes drag-and-drop IEC 61131 function block configuration software on SEL information processor.

Schneider Electric
Palatine, IL 60067-7399
Oct 15, 2007 Featuring modular design with plug-and-play DIN rail mount options, Square D® SEPAM Line includes Series 80 for critical sources and loads, Series 40 for important sources and loads, and Series 20 for basic source and load requirements. Units feature graphical software package for programming, and backlit LCD display that allows multi-line text plus graphics. Display lets users view multiple metered values, as well as alarm and diagnostic functions.

FCI Automation
Grand Rapids, MI 49548
Oct 08, 2007 Designed to work as overload relay and motor system monitor, MOTOR+MEDIC provides diagnostic information needed to recognize impending motor failure or conditions that will lead to motor failure if not resolved. Included software suite allows user to sample motor's health on steady or periodic basis. In addition to low and high voltage, MOTOR+MEDIC protects 3-phase motors from low and high current, current and voltage imbalance, and ground fault.

GE Multilin
Markham, ON L6E1B3  Canada
Oct 01, 2007 Utilizing dual algorithms, D90Plus sub-cycle distance relay features true convergence of multiple functions, including automation and control, digital fault recording, communications, and local HMI capabilities. Advanced automation engine with user programmable logic provides millisecond deterministic execution rates, irrespective of program size. With 128 samples/cycle multi-channel analog and digital recorder, virtually all transients and long term events can be recorded and viewed.

GE Multilin
Markham, ON L6E1B3  Canada
Aug 13, 2007 Designed to protect and control medium to large-sized ac generators, Model G60 supports Synchrophasor technology, which allows power providers to monitor how instabilities are affecting points of generation. Measurements are updated every 16.67 ms, providing critical recording of power system disturbances. Accumulated Over/Under frequency protection monitors amount of time generator has been running at off-nominal frequencies and triggers alarms indicating maintenance is required.

Eaton Corp.
Cleveland, OH 44114
Jul 17, 2007 Conforming to UL 1053 ground fault protection standard, Cutler-Hammer® MP-4000 motor protection relay offers protection, fault diagnostics, power metering, and communication options such as Modbus RTU and Device Net. Voltage Transformer inputs enable protection functions and metering such as under/over voltage, negative sequence voltage, power factor, and frequency. Relay features Intel-I-Trip algorithm, voltage sag ride-through at 20 cycles, and motor start profile.

Siemens AG
Munich D-80333  Germany
Apr 08, 2005 Sirius 3RB2 electronic overload relay permits continuous motor and plant protection from 0.1-630 A. When PTC sensor is connected, unit transmits directly to PLC for further processing. Relays are electronic and mechanical units with dimensions matched to other components of Sirius modular system.

Siemens AG
Munich D-80333  Germany
Apr 08, 2005 Sirius 3UG4 monitoring Relay can be flexibly adapted using wide range of parameter settings such as: phase sequence, asymmetry, undervoltage or overvoltage, delay times, and reset response. Unit has wide voltage range of 160-690 V. Unit is equipped with a display. Indication of actual value and type of fault facilitates installation and fault diagnostics. Together with contactor reversing combination, relay automatically corrects an incorrect phase sequence.

Schweitzer Engineering Laboratories Inc.
Pullman, WA 99163
Oct 13, 2004 Model SEL-749M protects against nuisance tripping while enabling release of maximum horsepower. True Temperature-Based Thermal Overload Model tracks heating effects of load and current imbalance while motor is accelerating and running, thereby handling all motor operation scenarios. Adaptive Overcurrent Element technology enables unit to protect against high fault-current conditions when Current Transformer saturation is present.

Schweitzer Engineering Laboratories Inc.
Pullman, WA 99163
Jul 07, 2004 Microprocessor-based SEL-387L Line Current Relay suits applications with identical-ratio CTs at both ends of line, with digital communications channel interface between relays. Restraint technology provides secure, high-speed ground fault differential and sensitive phase protection, uncompromised by communication asymmetry, CT saturation, or different in-feeds. Negative- and zero-sequence differential elements detect high-resistance ground faults while remaining secure for external faults.

Cooper Power Systems
Waukesha, WI 53188
Feb 20, 2003 Incorporating selectable transformer winding configuration, selective tripping of high/low-side breakers, and breaker health monitoring, iXP-420 also includes Virtual Test Set™ event record simulator. Protection features include over-excitation (V/Hz), under/over-voltage, phase overcurrent, negative-sequence overcurrent, and breaker fail-to-trip/fail-to-close indicators. Unit comes with IDEA Workbench™ graphical software-programming environment.

Rockwell Automation
Milwaukee, WI 53204
Dec 31, 2002 MachineAlert(TM) function protection relays include phase monitors, current monitors, thermistor monitors, and motor rotation monitors. Microprocessor technology combined with solid-state circuitry provides repeatable operation. LCD keypad programming takes guesswork out of device set up. Motor control enhancing functions of relays protect equipment and monitor applications to help reduce equipment damage and production downtime.

Automatic Timing & Controls
Lancaster, PA 17605
Dec 04, 2002 Microprocessor-based, MotorGuardian™ MPA-1000 provides protection for 3-phase ac motors, pumps, and compressors. It installs in new or retrofit applications using 2-piece, clip-on current transformers. DIN-rail mount enclosure includes 2-line, 16-character, vacuum-fluorescent display.

Eaton Corp., Cutler-Hammer Group
Moon Township, PA 15108
Nov 18, 2002 Enclosed in NEMA Type 6 chemically treated, waterproof drawn-brass shell, MPCV Network Protector Communications Relays grant access to voltage, current, power, power factor, harmonics, and last trip information. Users select from 2 closing curves, including modified, circular, closed curve. Relays monitor network protector's internal enclosure for temperature, alarms of detected anomalies, and water. Waveform storage capability provides breaker information.

Electroswitch Electronic Products
Raleigh, NC 27604
Jul 24, 2002 Series 24 Type WL-2 and WL Lock-Out Relays feature manual-, electric-, or self-reset capability. Manual-reset LORs have nominal trip speed of less than 8 msec. Electric- and self-reset models are available in standard-speed (12 to 15 msec) or high-speed (8 msec or less) trip configuration. Maximum of 10 decks can be stacked in one relay, providing 2 N/O and 2 N/C contacts per deck. Contacts are rated at 60 A for 1 min and 30 A for continuous current.

Schweitzer Engineering Laboratories Inc.
Pullman, WA 99163
Jul 02, 2002 SEL-547 Distributed Generator Interconnection Relay provides utility-grade protection when using generator in all operating modes including peak shaving, base loading, islanding, and emergency backup. Relay provides most basic generator protection functions recommended by IEEE Standard P1547 including over/under voltage detection for single or 3-phase, over/under frequency detection, synchronism check, reverse phase, and reverse power protection.

Schweitzer Engineering Laboratories Inc.
Pullman, WA 99163
Jun 11, 2002 SEL-387A monitors and protects transformers and other 2-port electrical apparatus. Protection includes differential and overcurrent protection for 3-phase current inputs, and optional Restricted Earth Fault function. Four serial communications ports enable remote metering and control of system functions and settings via PC. Sequential-events recorder logs all changes of state within relay logic elements, providing data regarding events and conditions leading up to events.

Square D Co.
Palatine, IL 60067
Feb 12, 2002 POWERLOGIC® Series 4000 permanently mounted circuit monitor with transient detection (CM4000T) automatically generates alarm so that action may be taken to correct problems before facility shuts down. It detects and captures oscillatory and impulsive transients (up to 10,000V peak, line-to-line) as short as 1 microsecond in duration. CM4000T maintains historical record of number of transients per phase, magnitude, duration and time of occurrence.