Blue Sea's 285-Series thermal circuit breakers provide manually resettable protection for suitable DC circuits. They are available in two mounting forms—708x panel mount and 718x surface mount—across ratings from 25 to 150 amps. Use the selector chart to find a specific manufacturer part number, compare the mounting arrangements, then open the exact NewRVParts listing.
Panel or surface mounting: the first choice
Within a given rating, the 708x and 718x models perform the same general circuit-protection function. The difference is how the body is mounted. The following sketches are intended to help identify the style only.
708x — panel mounted
Panel opening
The breaker is mounted through a panel. Compare the original opening and rear clearance with the manufacturer's drawing before replacement.
718x — surface mounted
Mounted to surface
The breaker mounts directly to a suitable surface. Stud and cable access differ from a panel-mounted installation.
The breaker is installed in series with the circuit it protects. The diagram leaves out fuses elsewhere in the system, negative returns, other charging sources and wiring details; it must not be used to determine installation routing.
Find a Blue Sea 285-Series breaker by amp rating
| Current rating | 708x panel mount | 718x surface mount |
|---|---|---|
| 25A | 7080-BSS | 7180-BSS |
| 30A | 7081-BSS | 7181-BSS |
| 40A | Not currently listed | 7182-BSS |
| 50A | 7083-BSS | 7183-BSS |
| 60A | 7084-BSS | 7184-BSS |
| 70A | 7085-BSS | 7185-BSS |
| 80A | 7086-BSS | 7186-BSS |
| 100A | 7087-BSS | 7187-BSS |
| 120A | 7088-BSS | 7188-BSS |
| 150A | 7089-BSS | 7189-BSS |
Blue Sea also manufactures the 40A 7082 panel-mount breaker, but it is not currently listed in NewRVParts. The matching 40A surface-mount option is the 7182; it is a different mounting design, so do not assume interchangeability.
Blue Sea specifies 48V DC maximum, M6 terminal studs accepting 1/4-inch ring terminals, and 3,000A interrupting capacity at 48V DC for the series. These breakers use a Type III manual-reset, trip-free mechanism. Read the manufacturer instructions for the individual model's mounting, connection and tightening requirements.
Matching 285-Series breakers in NewRVParts
The product cards below use the current catalog images and link to the exact model pages. Expand the mounting style you need. Warehouse availability and pricing are displayed on each product listing; NewRVParts products are shipped, not available for customer viewing or pickup.
Panel-mount breakers — 9 listed models
7080, 7081 and 7083–7089 are currently listed; 7082 is not listed.
Surface-mount breakers — 10 listed models
7180–7189 cover 25A through 150A in the surface-mount design.
Original Blue Sea dimensioned drawings
Blue Sea provides mounting diagrams and product specifications for each model. Compare the 7080 panel-mount reference and 7180 surface-mount reference, or use the complete 285-Series manufacturer model list to locate the exact instruction drawing. These breakers are not intended for repeated switching of high-inrush equipment.