Breaker Placement and Installation:
Use the table below when installing the breakers supplied from the packing list.
SIZE QUANTITY SHIPPED SUPPORTED PORT LOCATIONS
30A 1 Smart Ports 1 – 4 & Generator
40A 1 Smart Ports 1 – 4 & Generator
60A 2 Smart Ports 1 – 4 & Generator
Smart Ports 1 & 2 & Generator
Hybrid Ports 1-3 and Smart Port 1
If an additional breaker size is needed, use the chart below to identify the breaker size supported at
each port location. Ensure any additional breakers are purchased from an EG4
®
distributor to ensure a
supported breaker model is installed.
200A (pre-installed, non-changeable)
200A (pre-installed, non-changeable)
Generator 30A, 40A, 60A, 80A, 100A, 125A B3S1 – 30, 40, 60, 80, 100, 125 EG4
Hybrid 1 – 3
12kPV: 50A
18kPV: 70A
FlexBOSS 21: 90A
B3S1 – 50, 70, 90 EG4
Smart Port 1 90A, 100A, 125A B3S1 – 90, 100, 125 EG4
Smart Port 1 & 2 70A, 80A B3S1 – 70, 80 EG4
Smart Port 1 – 4 30A, 40A, 50A, 60A B3S1 – 30, 40, 50, 60 EG4
Breaker Installation:
When installing a 2-pole breaker, hold it at an angle and place the bottom slot on the metal bracket inside
the GridBOSS chassis. Then, pivot the breaker towards the chassis until the top snaps onto the busbar
blade.