Eaton VR+ Series Instruction Book

Contents

5Instruction Book IB182923EN September 2018 www.eaton.comAMH-4.76-VR+VR-Series+ Replacement Circuit BreakerTablt 1. AMH-4.76-VR+ Availability and InttrchangtabilityExistingAM CircuitBreaker TypeAMH-4.76-VR+Circuit Breaker Type aMaximumVoltageNominal3-PhaseMVAClassExisting CircuitBreaker RatedContinuousCurrent at 60 HzRatedVoltageFactorRated WithstandANSI Test VoltageRatedShort-CircuitMaximum Sym.InterruptingCapabilityClosing andLatching /MomentaryCapabilitieskV MVA Amps KLow Freq.kV RMSImpulsekV PeakIkA RMSKIkA RMSkA RMS /PeakAMH4.76-250 AM4.16-VR+250 4.76 250 1200 / 2000 1.24 19 60 29 36 58 / 97AMH4.76-250 AM4.16-VR+41 bc 4.76 N/A 1200 / 2000 1.00 19 60 41 41 78 / 132a All circuit breakers have a 3 second short-time and 3-cycle interrupting ratings.b Non-standard rating.c Requires bus bracing study and additional switchgear bracing.