Maintenance
Original instructions
Fuses
Fuses
Input
Internal - None
External - User installed per local and national electrical codes
Output
Internal - 5 A fuse for each group. For the location of the fuses, see figure below.
External - 1.25 A fuse (Littlefuse 3121.25, 1.25 A, 250 V).
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH
Before accessing the fuses,
  • Remove the power to the module (sensors and pre-actuators), and
  • disconnect the terminal block.
  • always use a properly rated voltage sensing device at all line and load fuse clips to confirm power is off.
Failure to follow these instructions will result in death or serious injury.
CAUTION
DAMAGE TO MODULE OUTPUTS
Protect each point with a 1.25 A, 250 V fuse.
Failure to follow these instructions can result in injury or equipment damage.
Illustration
The following figure shows the fuse locations of the 140 DDM 390 00 module.