2: Hardware Installation
Isolated +/- 48V Return A and B Isolated +/- 24V Return A and B
The power source (+/-40 to +/-57 V DC) must be limited by a 0.5A/48V fast acting fuse or equivalent. There should be one
fuse per power feed.
The power source (+/-20 to +/-36 V DC) must be limited by a 1.0A/24V fast acting fuse or equivalent. There should be one
fuse per power feed.
Warning: Disconnect all power sources (feed A and feed B) when servicing. Removing fuses can be used as a
disconnect method.
Warning: Fuses must be installed on the live wire(s) and not on the grounded wire(s).