Battery selector switch with off/1/both/2 positions. Enables isolation of one battery or battery bank from the other, or link up both batteries in parallel for additional power. Engines must be shut down before turning to 'off' position. Rotary dial has a spring loaded keeper to positively lock the selected position. Designed to be surface mount with cable entry from below.

Specifications:
Voltage: 6-32V DC
Continuous Rating: 235amps
Intermittent Rating: 300amps