A sealed solution is what most customers ask for when specifying a contactor to handle switching sizeable DC loads.  With voltage ratings up to 1000Vdc, The Sensata | Gigavac GV Series contactors are rated to switch loads in excess of 400 amps and interrupt short circuit currents up to 3500 amps (voltage dependent).  Like all Sensata | Gigavac contactors, the GV Series can be mounted in any axis or any orientation and are sealed to withstand virtually any harsh environment.  All GV Series power contactors meet RoHS and CE Conformance requirements.