Series 3171-mr are vibration switches with options as manual reset type and remote reset type . Enclosure : sealed ingress protection to ip 67 to bs en60947-1 or, ingress protection ip 67 to bs 5420 set level range : 1 to 9g peak (horizontal vibrations) contacts : silver or, gold mounting : fix to vertical face with reset button at bottom. note : ac solenoids normally continuously rated dc solenoids intermittent 25% rated i.e. (1 min. On & 3 mins off) electrical reset : solenoid rating 48 watts maximum intermittent rating solenoid voltages 110, 240 ac or 24 dc