These Blue Sea Systems AC Rotary Switches are heavy-duty, industrial-rated switches designed to select between multiple 120/240 Volt AC power sources, providing a compact solution where circuit protection is handled separately. Ideal for panel mounting up to 0.16" (4.00 mm) thick, they offer intuitive one-hand operation and are UL listed for safety and reliability.
Key Features
Switches between two or three AC sources with an OFF position
Designed for 120/240V AC power systems
Heavy-duty industrial rating for reliable operation
Compact size for panel mounting in 0.16" thick panels
Intuitive function with one-hand operation
UL listed for safety compliance
Specifications Comparison
Feature
9019-BSS (OFF + 2 Positions)
9077-BSS (OFF + 3 Positions)
Positions
2 + OFF
3 + OFF
Source Selection
2
3
Nominal Voltage
240 V AC
240 V AC
Poles
3
3
Load Circuits Out
1
1
Maximum Amperage
65 A
65 A
Maximum Voltage
600 V AC
600 V AC
Source Inputs
2
3
Dimensions (HxWxD)
2.52" x 2.52" x 3.5"
2.52" x 2.52" x 5.5"
UL Listed
Yes
Yes
Typical Use
Ideal for switching between multiple high-voltage AC power sources such as shore power, generator, and inverter systems in marine, RV, or industrial settings where safety and reliability are paramount.