MSSA135004 is an instrumentation grade slide switch from the MSSA Series, designed for precision switching applications. This SP3T (single pole, 3 throw) switch features silver contact plating and an upright mounting style. Key performance characteristics include an operating temperature range of -20°C to +85°C, initial contact resistance of 0.30 milliohms maximum, insulation resistance of 1,000 megohms minimum, and dielectric strength of 500 volts RMS at sea level. The switch offers make-before-break contact timing with a life expectancy of up to 15,000 cycles. Common applications include instrumentation equipment and precision electronic devices requiring reliable multi-position switching.