MOTOR PROTECTION RELAYS Littelfuse Reliable Protection for Over 35 Years MP MOTOR PROTECTION Typical Applications MOTORS PUMPS VARIABLE FREQUENCY DRIVES SWITCHGEAR MOTOR CONTROL CENTERS PORTABLE POWER CABLES ELECTRICAL DISTRIBUTION PROCESS CONTROL PANELS POWER DISTRIBUTION PANELS From Basic to Reliable Protection POWR-GARD ® MOTOR PROTECTION SYSTEM PGR-6150 SERIES OK POWER OVERTEMP O/L, JAM, LCKD ROTOR, EXT ST TIME UNBALANCE, PHASE SEQUENCE GROUND FAULT OPEN CT, PTC FAILURE, UNDERCURRENT C PGR-6100 PGR-6130 PGR-6150 Features/Benefits Features/Benefits Features/Benefits s Continuous on- and off-line monitoring s )NTEGRATED #4S FOR CURRENTS ! s 2 analog outputs and Form C alarm contacts to indicate insulation resistance and ground-fault current s s s s s s s Specifications Specifications Motor Ground-Fault & Insulation Relay s On-line monitoring to detect ground faults s Off-line monitoring of insulation resistance s CT loop monitoring IEEE Device Numbers: Dimensions: Communications: Warranty: 50G, 50N, 51G, 51N, 64 H: 99.7 mm (3.9") W: 75 mm (3") D: 110 mm (4.3") 2 Analog Outputs 5 years Accessories PGA-0500 Series Analog Meters PGC-5000 Family Current Transformers PGH Family High Tension Couplers Web Resources www.littelfuse.com/pgr-6100 Electronic Overload Relay Integrated CT for currents up to 90 A Thermal overload protection Cause-of-trip indication N.O. and N.C. alarm contacts Adjustable overload trip class setting Adjustable current pickup Overtemperature (PTC) protection IEEE Device Numbers: Dimensions: Warranty: Motor Protection System s 4HERMAL PROTECTION THROUGH STARTING RUNNING overload and cooling cycles s PROTECTIVE FUNCTIONS s RELAY OUTPUTS DIGITAL INPUT s /PTIONAL DISPLAY CHARACTER ,#$ s 23 INTERFACE WITH -ODBUS® RTU s $ATA LOGGING 46, 49, 51 H: 83 mm (3.3") W: 78 mm (3.1") D: 99 mm (3.9") 5 years Accessories Specifications IEEE Device Numbers: Dimensions (Relay): PGB-6130 Remote Indication and Reset Assembly Dimensions (OPI): Web Resources Communications: Warranty: www.littelfuse.com/pgr-6130 37, 46, 49, 50, 50G, 50N, 51, 51G, 51N, 66 H: 83 mm (3.3") W: 78 mm (3.1") D: 99 mm (3.95") H: 56 mm (2.2") W: 106 mm (4.2") D: 23 mm (0.9") RS-485 with Modbus ® RTU 5 years Accessories PGR-6150-OPI Operator Interface Web Resources www.littelfuse.com/pgr-6150 Advanced— for Small, Medium and Large Motors Basic & Standard Motor Protection Relays Advanced Motor Protection Relays Pump Protection Relay 0ROTECTION FOR LOWVOLTAGE MOTORS 6 INCLUDING GROUNDFAULT PROTECTION overload, and overtemperature. -ULTIFUNCTION PROTECTION FOR LOW and medium-voltage motors including dynamic thermal modeling, metering, and overcurrent reduction setting for maintenance. Multi-function protection for LOWVOLTAGE PUMPS INCLUDING overload, undercurrent, and PHASE SEQUENCE PGR-6800 PGR-6100 PGR-6130 PGR-6150 MPU-32 MPS MPU-32 (PGR-6200) MPS (PGR-6300) PGR-6800 Features/Benefits Features/Benefits Features/Benefits Motor Protection Unit s -ODULAR SYSTEM AND COMPACT DESIGN MAKES INSTALLATION EASY FOR NEW OR RETROlT APPLICATIONS s -ONITORS CURRENT AND TEMPERATURE s /VERCURRENT REDUCTION SETTING FOR MAINTENANCE s $YNAMIC THERMAL MODELING s CHARACTER ,#$ s #OMMUNICATIONS FOR DIFFERENT NETWORKS s $ATA LOGGING s /PTIONAL 24$ PROTECTION s /PTIONAL DIFFERENTIAL PROTECTION s #ONFORMAL COATING Dimensions: Communications: Warranty: s s s s s s s s -ONITORS VOLTAGE CURRENT AND TEMPERATURE 3TARTER CONTROL METERING AND DATA LOGGING /VERCURRENT REDUCTION SETTING FOR MAINTENANCE CHARACTER VACUUM mUORESCENT DISPLAY MOTOR PROTECTION FUNCTIONS #ONFORMAL COATING $YNAMIC THERMAL MODELING 24$ PROTECTION WITH HAZARDOUSLOCATION CERTIlED 24$ MODULE s /PTIONAL DIFFERENTIAL PROTECTION s -ODULAR DESIGN MAKES INSTALLATION EASY Specifications Specifications IEEE Device Numbers: Motor Protection System 37, 38, 46, 49, 50, 50G, 50N, 51, 51G, 51N, 66, 74, 86, 87 H: 96 mm (3.78") W: 96 mm (3.78") D: 132 mm (5.2") RS-232 (Standard); RS-485, DeviceNet™, Ethernet (Optional) 10 years Accessories Current Transformers MPS-RTD RTD Module MPS-DIF Differential Module MPU-CIM Current Input Module Web Resources www.littelfuse.com/mpu-32 IEEE Device Numbers: 1, 2, 3, 5, 9, 14, 18, 19, 27, 34, 37, 38, 46, 47, 48, 49, 50, 50G, 50N, 51, 51G, 51N, 55, 59, 66, 74, 81, 86, 87, 94 Dimensions (OPI): H: 98 mm (3.86") W: 192 mm (7.56") D: 42 mm (1.65") Communications: Allen-Bradley ® DF1 and Modbus®RTU (Standard); DeviceNet™, Profibus ®, Ethernet (Optional) Warranty: 10 years Accessories Current Transformers MPS-RTD RTD Module MPS-DIF Differential Module Web Resources www.littelfuse.com/mps Pump Protection Relay s 5NDERCURRENT PROTECTION s 4HERMAL OVERLOAD PROTECTION s )NTEGRATED #4S FOR CURRENTS UP TO ! s #AUSEOFTRIP INDICATION s 0HASE SEQUENCE PHASE UNBALANCE AND phase-loss protection s ./ AND .# ALARM CONTACTS s !DJUSTABLE OVERLOAD TRIP CLASS SETTING s !DJUSTABLE CURRENT PICKUP Specifications IEEE Device Numbers: 37, 46, 49, 51 Dimensions: H: 83 mm (3.3") W: 78 mm (3.1") D: 99 mm (3.9") Warranty: 5 years Accessories PGB-6800 Remote Indication and Reset Assembly Web Resources www.littelfuse.com/pgr-6800 /PTIMIZING 0ROCESSES AND 2EDUCING $OWNTIME )NDUSTRIAL OPERATIONS CANNOT TOLERATE UNSCHEDULED SHUTDOWNS AS EACH LOST HOUR OF PRODUCTION CAN BE EXTREMELY EXPENSIVE )N ADDITION REPAIRING AND REPLACING DAMAGED EQUIPMENT SUCH AS ELECTRICAL MOTORS IS A COSTLY AND TIMECONSUMING PROCESS WHICH INCREASES DOWNTIME AND EXPENDS MAINTENANCE RESOURCES #OMBINED THE COST OF DOWNTIME LOST OR SCRAPPED PRODUCTION REPLACEMENT PARTS AND TROUBLESHOOTING IS QUITE SIGNIlCANT IMPROVE SAFETY REDUCE COST MINIMIZE DOWNTIME FIRE HAZARDS EQUIPMENT REPLACEMENT UNSCHEDULED SHUTDOWNS ARC-FLASH HAZARDS MOTOR REWINDS REPLACEMENT TIME INJURY TO PERSONNEL FAULT DAMAGE UNRELIABLE PROTECTION LOST PRODUCTION Motor Protection Comparison Chart FEATURE BENEFIT OVERLOAD (49, 51) Prevent insulation damage and fires. Extends motor life. OVERCURRENT / JAM (50, 51) Prevents catastrophic failures and fires. Extends motor life. UNDERCURRENT (37) Detects low-level or no-load conditions. CURRENT UNBALANCE / PHASE LOSS / PHASE REVERSE (46) Prevents overheating and extends motor life. GROUND FAULT (50G/N, 51G/N) Prevents catastrophic failures and fires. OVERTEMPERATURE (49) Extends motor life by ensuring that cooling is effective. OVERVOLTAGE (59) Prevents stress to insulation. UNDERVOLTAGE (27) Prevents a start attempt when it will damage the motor. VOLTAGE UNBALANCE (47) Detects unhealthy supply voltage. DIFFERENTIAL (87) Provides sensitive protection for high-resistance winding faults. STARTER CONTROL Simplifies the installation by reducing component count. METERING Alphanumeric display of conditions. DATA LOGGING Record of trips and starts. INTEGRATED CTs External current transformers not required. OFF-LINE INSULATION MONITORING Continuously monitors motor windings when de-energized. REDUCED OVERCURRENT Minimizes Arc-Flash Hazards during maintenance. COMMUNICATIONS Provides means to interface with the relay remotely. NOTE: IEEE Device Numbers are shown in parenthesis after the applicable features. PGR-6100 PGR-6130 PGR-6150 MPU-32 MPS PGR-6800 As the world’s #1 brand in circuit protection, Littelfuse offers the broadest and deepest portfolio of circuit protection products and a global network of technical support backed by more than 80 years of application design expertise. Littelfuse’s products can help: t Improve uptime and reliability t Reduce risk of fire and shock hazards t Minimize dangerous operating conditions Q Littelfuse locations WWW.LITTELFUSE.COM/PROTECTIONRELAYS Littelfuse is committed to helping OEM engineers, consulting engineers and end users select the right products to protect critical electrical equipment — supported by our full line of product catalogs and reference materials. Protection Relay Catalog The comprehensive line of electronic and microprocessor-based protection relays safeguard equipment and personnel to prevent expensive damage, downtime or injury due to electrical faults. Arc-Flash Relay Brochure Littelfuse Startco offers one of the fastest Arc-Flash Protection relays on the market. The PGR-8800 can detect a developing arc flash extremely fast and send a trip signal before any significant damage occur. Fuses and Fuse Holders Catalog Littelfuse offers a complete circuit protection portfolio of industrial power fuses, including time-saving indication products for an instant visual blown-fuse identification, even on de-energized systems. Generator Controls and Alarm Panels Littelfuse Selco provides generator control, diagnostics and protection products as well as alarm annunciation and indication panels To view all Littelfuse product catalogs, visit our website at www.littelfuse.com/catalogs ©December 2011 Littelfuse, Inc. Printed in USA. FORM No. PF135 Revision B