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| NetSure™ 5100 Series -48 VDC Power System User Manual (UM582137200) | Rev. G 20
Replacing a Distribution Device
Replace distribution devices with the same type and rating. Refer to System Application Guide SAG582137200
for part numbers.
Replacing a GMT Distribution Fuse
Procedure
1. Refer to
Figure 3
and replace the fuse. Ensure a safety fuse cover is installed on the replacement fuse,
as shown in Figure 4 .
2. Verify no alarms are active.
Replacing a Bullet Nose Circuit Breaker
Procedure
1. Operate the defective circuit breaker to the OFF position.
2. Gently rock the defective circuit breaker back and forth while pulling firmly outward until the breaker is
free from the distribution unit.
3. Ensure that the replacement circuit breaker is in the OFF position, and is of the correct rating.
4. Orient the replacement circuit breaker as shown in Figure 5 or Figure 6 . Insert the terminals on the rear
of the circuit breaker into their corresponding sockets on the distribution unit. Ensure the alarm contact
on the back of the circuit breaker makes contact with the alarm terminal on the distribution unit. Push
distribution device in firmly until fully seated in the distribution unit.
5. Operate the replacement circuit breaker to the ON position.
6. Verify no alarms are active.
Figure 3:
GMT Distribution Fuse Replacement (List BA, BC, BF, LC, NA, NC, NF)
GMT Fuse
Safety Cover
Front
List BA shown,
List BC, BF, LC, NA, NC, NF similar.