Rockwell Automation 1560E SMC Flex Smart Motor Controller - Manual (Page 171)

Specifications A-7
1560E-UM050B-EN-P - June 2013
Table A.7 – Power Fuses and Losses
Description Specifications
Power Fuses and Fuse Holders
This section details the power fuse and fuse holder technical information that each medium voltage product
conforms to. It includes information on R-rated fuses, as well as mounting dimensions.
Fuse Types
R Rated :
2R to 24R
2R to 24R
19R, 38R
Interrupting Ratings : 2.4 kV to 7.2 kV
A480R – 5.0/2.4 kV
A072 – 7.2 kV
A051B – 5.0/2.4 kV
50 kA RMS SYM (80 kA RMS ASYM)
Mounting (Center) Dimensions
Clip-On 304.8 mm (12.0 in)
Bolt-On 454.2 mm (17.88 in)
Maximum Heat Dissipation (kW) (Convection)
Start or Stop Cycle
(@ 450% Starting Duty)
180 A 360 A 600 A
Continuous
2500 V 13.5 19.2 45.3 .250
5000 V 27.0 38.5 90.5 .250
Controller Rating
7200 V 40.5 57.7 136.0 .250
Power Losses
Current (A) Fuse Size
Losses (kW)
± 10%
90 6R .125
180 12R .350
240 18R .510
360 24R 1.000
Power Cell Losses
600 57X 1.500
Bus Rating (A)
Fully Loaded Bus
Losses per 915 mm (36 in.)
Section
(Watts) ±%
1200 150
2000 200
Power Bus Losses
3000 200
Control Power Transformer Losses
The losses from a 500 VA control power transformer fully
loaded are approximately 50 W per controller.
Low Voltage Panel Losses
The losses from the standard control circuit
are approximately 25 W per controller.