10A per circuit at 12V DC. Three screw terminals with lockwashers. Mounting stem: 5/8"-32 thread, 21/32" (16.7mm) long with two steel hexnuts and facenut. On-Off. Two circuits are simultaneously energized. Normally Off is On with plunger depressed, spring return to Off. Normally On is Off with plunger depressed, spring return to On.