5
Instruction Book
IB182923EN September 2018 www.eaton.com
AMH-4.76-VR
+
VR-Series
+
Replacement Circuit Breaker
Tablt 1. AMH-4.76-VR
+
Availability and Inttrchangtability
Existing
AM
Circuit
Breaker Type
AMH-4.76-VR
+
Circuit Breaker Type
a
Maximum
Voltage
Nominal
3-Phase
MVA
Class
Existing Circuit
Breaker Rated
Continuous
Current at 60 Hz
Rated
Voltage
Factor
Rated Withstand
ANSI Test Voltage
Rated
Short-Circuit
Maximum Sym.
Interrupting
Capability
Closing and
Latching /
Momentary
Capabilities
kV
MVA
Amps
K
Low Freq.
kV RMS
Impulse
kV Peak
I
kA RMS
KI
kA RMS
kA RMS /
Peak
AMH4.76-250
AM4.16-VR
+
250
4.76
250
1200 / 2000
1.24
19
60
29
36
58 / 97
AMH4.76-250
AM4.16-VR
+
41
bc
4.76
N/A
1200 / 2000
1.00
19
60
41
41
78 / 132
a
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.
