7420 Physical Specifications - The 3U chassis form factor dimensions are as follows:
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7420 Electrical Specifications - The following list shows the electrical specifications for 7420 controllers.
Input
Nominal frequencies: 50/60Hz
AC operating range: 100-127 VAC for 2 CPUs and 200-240 VAC for 2 or 4 CPUs
Maximum current AC RMS: 12A @ 100 VAC / 12A @ 200 VAC
Power Dissipation
Max power consumption: 1800 W
Max heat output: 6143 BTU/hr
Volt-Ampere rating: 1837 VA @ 240 VAC, 0.98 P.F.