Protection Relays Quick Reference Table
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Ground Fault Protection (GFP) | |||
| Product | Type | System | Typical Applications | Benefits |
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| PGR-2601 | Ground Fault Relay | Ungrounded AC | DC control systems, battery charging systems, transportation systems | Remembers trip status when power is cycled, safely run with Ground Fault |
| PGR-3100 | Ground Fault Relay | Ungrounded AC | Older industrial facilities | Meets NEC Article 250.21(B) |
| PGR-3200 | Ground Fault Relay | Ungrounded AC | Older industrial facilities | Meets NEC Article 250.21(B), provides 2 warnings |
| PGR-4300 | Ground Fault Relay | Solidly Grounded AC | Manufacturers, rental companies and users of solidly grounded generators | No CTs, can be used on 3- and 4-pole switches, alarms when generator becomes ungrounded |
| PGR-4704 | Ground Fault Relay | Solidly Grounded AC | Motors, generators, pumps, irrigation systems, heating cables, SCR-controlled heaters, semiconductor manufacturing equipment |
Detects low level arcing faults, detects CT wiring problems up to 5 A |
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Resistance Grounding (RG) | Product | Type | System | Typical Applications | Benefits |
| PGR-5330 | Ground Fault Relay | Resitance Grounded AC | Resistance Grounded Systems | Can be used on any system up to 35 kV & any resistor size |
| PGR-5701 | Ground Fault Relay | Solidly Grounded or Resitance Grounded AC | n, feeder, or load protection, motors, generators, pumps, heating cable, adjustable-speed drives | Remembers trip status when power is cycled, wide trip range greater than 3 A |
| PGN-1000 | Grounding System | Ungrounded or Solidly Grounded AC |
Used on Medium Voltage systems to reduce Arc-Flash hazards |
Optional resistor monitoring |
| PGN-3000 | Grounding System | Ungrounded or Solidly Grounded AC |
Used on Low Voltage and some Medium Voltage systems to reduce Arc-Flash hazards and downtime | Std. resistor monitoring, eliminates Ground Fault Arc-Flash Hazards, allows to safely run with Ground Fault |
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Motor Protection (MP) | |||
| Product | Type | System | Typical Applications | Benefits |
| PGR-6100 | Basic Motor Protection Relay |
AC systems | Ground Fault Protection and Insulation Monitoring for Motors |
Detects problems when motor is energized or de-energized, detects problems w/ CT wiring |
| PGR-6130 | Standard Motor Protection Relay |
AC systems | Small motors that need additional protection (typically <75 hp) | Integral CT and standard protection in compact design |
| PGR-6150 | Standard Motor Protection System |
AC systems | Premium protection for smaller and medium sized motors (>50 V) | Integral CT, Operator Interface, and modular design |
| PGR-6200 | Advanced Motor Protection Relay | AC systems | Smaller motors in critical applications and med-sized motors in standard applications (typically >100 hp) | Thermal modeling for better accuracy, Arc-Flash hazard reduction, optional temp and differential monitoring |
| PGR-6300 | Advanced Motor Protection Relay |
AC systems | Larger motors that need maximum protection (typically >500 hp) | Thermal modeling for better accuracy, Arc-Flash hazard reduction, opt. temp and voltage monitoring, can be used as starter control |
| PGR-6210 | Retrofit Kit | AC systems | Replaces GE Multilin 169, 269 and 369 | Plug and play installation, match existing curves |
| PGR-6800 | Pump Protection Relay | AC systems | Submersible and Process Pump motors | Integral CT, and Undercurrent to detect low-level |
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Feeder Protection (FP) | |||
| Product | Type | System | Typical Applications | Benefits |
| PGR-7200 | Feeder Protection Relay | AC systems | Medium Voltage distribution circuits | IEEE & IEC curves, Arc-Flash hazard reduction |
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Supplemental Monitoring (SM) | |||
| Product | Type | System | Typical Applications | Benefits |
| PGM-8134 | Ground Check Monitor | Solidly Grounded or Resitance Grounded AC | Shore-to-ship power, pumps, cranes, material handling | Provides reliable ground continuity verification |
| PGM-8325 | Resistance Monitor | Resitance Grounded AC | Resistance Grounded Systems | Detects resistor failure |
| PGM-8600 | Insulation Monitor | AC/DC systems | Systems in harsh environments such as dust, moisture, vibration or exposure to corrosive materials | Detects insulation failure |



