Bus battery isolating solenoid for shuttle bus. SPST 12V 85A. Continuous duty solenoid. 85 Amps. 111-257D. Has weather resistant rubber coating. Helps keep moisture from damaging solenoid. Also used in motor homes , RV's, and golf carts. We sell more than battery isolating solenoids for shuttle buses. Please browse our store for all of your shuttle bus parts needs.