Description
Sierra 6-Gang ATO/ATC Fuse Block with Ground Bus Bar – FS40420
A 6-gang marine fuse block for ATO/ATC blade fuses, incorporating a common ground bus bar and modular/interlocking construction.
- 6 fused branch circuits
- For ATO/ATC blade fuses
- 30 A maximum per circuit
- 160 A maximum total block rating
- Tin-plated copper contacts/terminals and flame-resistant reinforced polyester base
Specifications
- Part number: FS40420
- Product type: ATO/ATC fuse block
- Circuit count: 6
- Fuse type: ATO/ATC blade
- Maximum current per circuit: 30 A
- Maximum total block current: 160 A
- Ground bus bar: Yes
- Terminal style: 1/4 in. tab terminals / 8-32 screws where equipped
Application / Fitment Notes
For protected DC branch-circuit distribution on boats. Select conductor gauge, fuse size and main feed protection for the connected loads and applicable marine standards.

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