Rosemount Tank Radar REX
Chapter 11 Electrical Installation of the
11-2
Installation Manual
308014EN, Edition 4
May 2013

Table 11-1. Voltage drop at different cable lenghts for 115 VAC and 60 VAC

systems. Grey areas indicate too high voltage drops.

Table 11-2. Voltage drop at different cable lenghts for 60 VDC and 24 VDC

systems. Grey areas indicate too high voltage drops.

115 VAC 60 VAC

Cable Length
0.75 mm2
(AWG 18
or similar)
1.5 mm2
(AWG 16
or similar)
0.75 mm2
(AWG 18
or similar)
1.5 mm2
(AWG 16
or similar)
2.5 mm2
(AWG 14
or similar)
100 m 328 ft. 4 2 10 V 4 2
200 m 656 ft. 9 4 85
400 m 1312 ft. 8 22 10
600 m 1969 ft. 12 18

60 VDC 24 VDC

Cable Length
0.75 mm2
(AWG 18
or similar)
1.5 mm2
(AWG 16
or similar)
2.5 mm2
(AWG 14
or similar)
1.5 mm2
(AWG 16
or similar)
2.5 mm2
(AWG 14
or similar)
100 m 328 ft. 10 4 2 4 2
150 m 492 ft. 63 4
200 m 656 ft. 85
400 m 1312 ft. 10
600 m 1969 ft.