E103SYZQE is a sealed miniature toggle switch featuring a single-pole double-throw (SPDT) configuration with on-off-on switching function and solder lug (Z) termination. The switch is sealed against solder and cleaning process contaminants with an epoxy seal and UL 94V-0 nylon case and bushing, providing robust protection in harsh environments. It offers contact ratings of 7.5 amps at 125 V AC or 28 V DC, with contact resistance below 10 mO typical and an electrical life of 40,000 make-and-break cycles at full load. The switch is RoHS compliant and suitable for telecommunications, instrumentation, and medical equipment applications where sealed, reliable switching performance is required.