SunnyBoy GFDI REPLACEMENT FUSE "Midget" (2-PACK)

Comes in a pack of two. These replacement GFDI fuses are compatible with the following SMA Sunny Boy models (*Fuses are not returnable) : 

• SB700U
• SB1100U
• SB1800U
• SB2500U
• SB3800U
• SB6000U*
• SB3000US
• SB4000US
• SB6000US
• SB7000US
• SB8000US

Specifications

Amperage Rating 1

Max. Interrupting Rating 20 kA

*WARNING: Replacing the fuse on all Inverters, but especially the SB6000U is extremely dangerous! May result in serious injury!

*Note: The fuse is accessed from the outside of the Inverter fuse holder. Do not remove the lid of the Inverter, there are no user serviceable parts inside. 

DIAGNOSE AND FIX THE ELECTRICAL PROBLEM YOU HAVE FIRST AND DONT JUST KEEP PUTTING FUSES IN THE INVERTER, HOPING THE FUSE WILL FIX THE PROBLEM. 

GROUND FAULT ISSUES ON SOLAR SYSTEMS IS A SAFETY ISSUE.  IF YOUR SOLAR SYSTEM IS EXPERIENCING GROUND FAULTS< IT IS IMPERATIVE THE GROUND FAULT IN YOUR SOLAR SYSTEM BE FIXED IN ORDER TO HAVE A SAFE, RELIABLE AND WORKING SOLAR ARRAY.  

GROUND FAULTS COULD BE CAUSED BY WATER INTRUSION, ANIMALS CHEWING ON WIRES, DAMAGED WIRE INSULATION.  THESE AND/OR OTHER ITEMS NEED TO BE REPAIRED TO KEEP THE SOLAR SYSTEM SAFE AND RELIABLE.  

JUST PUTTING IN FUSES AND NOT ADDRESSING THE ROOT CAUSE WILL ONLY BLOW THE FUSE AS THE INVERTER TRYS TO PROTECT ITSELF AND THE SOLAR SYSTEM FROM GROUND FAULT ISSUES.

FUSES ARE DESIGNED TO KEEP YOUR SOLAR SYSTEM AND INVERTER SAFE.  

A BLOWN FUSE BEING REPLACED BY A GOOD FUSE DOES NOT FIX THE PROBLEM.  THE PROBLEM EXISTS SOME PLACE ELSE IN THE SOLAR SYSTEM.

THESE FUSES ARE NON-RETURNABLE.

IF YOU HAVE QUESTIONS ABOUT YOUR EXISTING SOLAR SYSTEM, PLEASE CONTACT US OR SEARCH ONLINE FOR “GROUND FAULT DETECTION METHODS”.