GE ProTrip User Manual

GE ProTrip User Manual Manual pdf 1 page image

FunctionProTrip™ Trip Units are designed with interchangeableRating Plugs. These Rating Plugs change the per-unit(1X) continuous-current rating of the breaker. A circuitbreaker equipped with a suitable Trip Unit and RatingPlug has a long-time trip current equal to the ampererating marked on the Rating Plug times the LT setting onthe Trip Unit.For example, a breaker frame with a 1600 A sensor, an 800A Rating Plug, and a long-time pickup switch setting of 1.0has an 800 A continuous-current (long-time) rating.Several Rating Plugs are available for each sensor ratingand each Rating Plug is keyed for a particular sensorrating.The catalog number structure for the available RatingPlugs for ProTrip conversion kits is listed in Table 1. SeeDEH–40034, ProTrip™ Trip Units User’s Guide, for acomplete listing of all Rating Plug catalog numbers.Front LabelThe front label, shown in Figure 1, is visible when theRating Plug is installed. The items listed are:Sensor Rating (S) The ampere rating of thecorresponding breaker frame.Rating Plug The Rating Plug continuousAmps (X) current in amperes.Test The test-jack receptacle is used withthe Test Kit, catalog numberTVRMS2, for overcurrent andground-fault functional testing.Catalog Number Follows the format PTppCqqqqGFD,as shown in Table 1.Figure 1. Rating Plug with ground-fault function.PT 20 C 700 GFDCode Description Function Code Description Function1 150 A 80 80 A225 225 A 100 100 A4 400 A 125 125 A6 600 A 150 150 A8 800 A Sensor 225 225 A16 1600 A 250 250 A20 2000 A 300 300 A30 3000 A 400 400 A32 3200 A 450 450 A40 4000 A 500 500 A600 600 A Rating700 700 A800 800 AGFD Ground Fault Ground Fault 1000 1000 ADefeatable 1100 1100 A1200 1200 A1500 1500 A1600 1600 A2000 2000 A2400 2400 A2500 2500 A3000 3000 A3200 3200 A3600 3600 A4000 4000 ATable 1. Rating Plug catalog number structure.g ProTrip™ Trip Unit Rating PlugsProTrip™ Conversion KitsDEH–40054

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