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UL489 compared to IEC60898 Jonathan Potter GE Energy Management Industrial Solutions Imagination at work Residential breaker performance UL 489 and IEC60898 Define construction and product performance requirements Include spacing and mechanical strength requirements Define Endurance, Overload, Short Circuit, Heat Rise requirements GE Industrial Solutions | November 2014 2 UL 489 compared to IEC 60898 Item 1 2 3 4 5 Description Minimum Rating Maximum Rating Maximum Selling SKU Rated Voltage Short Circuit Capacity 6 Module width 7 Terminal Capacity 8 Ambient Temperature Testing Details 1 No. of Sequences 2 Thermal Calibration 3 4 5 6 7 NEMA MCB (UL - 489) 10A / 15A Not really limited 20A & 30A 120/240V (This voltage diff drives major construction diff) 10kA & 22kA, depending on Voltage Some Versions (Model - 218) - 65kA upto 30A, AFCI higher also 1 inch (25.4mm), 1/2 inch (12.7mm) Depends on amperage 25 deg / 40 deg SSA 1349/1998 (Similar to IEC60898) 0.5A Not really limited 16A 220/380V (This voltage diff drives major construction diff) G60 - 6kA, G100 - 10kA 4 (X, Y, Z, Hi IC) at 200% & 135% of rated current 200% Current at any Voltage Rated Current 0 - 30A : should trip within 2 minutes 31 - 50A - should trip within 4 minutes 51 - 100A - should trip within 6 minutes 135% Current at any Voltage Current 50A or less: should trip within 1 hour Current more than 50A: should trip within 2 hours 5 (A, B, C, D, E) at 113% hold, 145% & 255% of rated current 18mm 25 - 35mm2 30 deg 255% Current at any Voltage Rated Current 0.5 - 32A: should trip within 1 minute Above 32A trip within 2 minutes 145% Current at any Voltage Upto 63A: should trip with in 1 hour 113% Current at any Voltage Upto 63A: Should not trip within 1 hour 3In, 5In & 10In, depending on B, C & D characteristics Instantaneous/Magnetic Tripping 10 times the rated current; Tripping time must comply with time current curve 100ms is the limit for trip time 6 times In (but not less than 150A) at Rated Voltage Icn 10In or 500A whichever is higher (Tripping through Overload 35 Manual Open & Close Operation Magnetic) at Rated Voltage 15 Close Manual & Open Automatically 6 O & 3 CO operations Endurance 6000 (with Current) + 4000 (without Current) 4000 (with Current) Short Circuit 10kA/22kA/65kA (O-CO) at Rated Voltage Icn (Rated) per manufacturer 5kA in Z-seq (O-CO-CO) at Rated Voltage Ics 6kA-10kA Temperature Rise After Overload test On fresh samples Terminals 50° 60° Handle 35° 40° Case & Cover 60° GE Industrial Solutions | November 2014 3 Compare and contrast performance requirements Similarities Differences Must Trip Heat Rise 135% - 145% After Overload – Clean Product 200% - 255% Must not Trip 50 deg C – 60 deg C (80C for 947-2) 110% - 113% Endurance Short Circuit 10,000 cycles – 4,000 cycles High available faults GE Industrial Solutions | November 2014 4 NEMA and IEC panel comparison GE Industrial Solutions | November 2014 5 NEMA compared to IEC residential breaker NEMA • Plug-in style works as a system with load center • Typical ratings 120/240V up to 22kA • Available in 240V plug-in versions • Meets UL489 MCCB requirements IEC • Lug/Lug style works on a DIN rail load center • Typical ratings 220/380V up to 6kA • Meets IEC 60898 and/or IEC 60947-2 GE Industrial Solutions | November 2014 6 UL 489 test sequences X Sequence – Overload Verify 135% trip Verify 200% trip 6 * In 50 cycles Heat Rise 50° C limit Dielectric GE Industrial Solutions | November 2014 7 UL 489 test sequences Y Sequence – Endurance Verify 200% trip 1 * In 6000 cycles No load 4000 cycles Verify 135% trip Verify 200% trip Low level short circuit 1.5kA Verify 200% trip Dielectric GE Industrial Solutions | November 2014 8 UL 489 test sequences Z Sequence – Short Circuit Verify 200% trip 5kA short circuit O-com CO-com O-Com Verify 200% trip Dielectric GE Industrial Solutions | November 2014 9 UL 489 test sequences Per Manufacturer High Available Fault – Short Circuit Verify 200% trip 5kA short circuit O-com CO-com Verify 250% trip Dielectric (900v) GE Industrial Solutions | November 2014 10 IEC panel IEC panel IEC panel IEC panel IEC panel IEC panel NEMA panel NEMA panel NEMA panel NEMA panel NEMA panel NEMA panel NEMA panel NEMA panel