Salzer M221-US1A1756-02 4-Position Ammeter/Voltmeter Selector Cam Switch 20A for Katolight Generator - Used

Rotary cam selector switch, 4-position ammeter/voltmeter (AM/VM) type with OFF, five contact decks and 20 screw terminals, IEC 60947-3 / CE marked, AC-21A rated 20A per the carton label. Original carton is marked M221-US1A1756-02 and Katolight Corporation P/N 35054 "SWITCH AM/VM 4 POS"; the switch body is stamped US1A1756-02 / 476620/R136. **Application:** Generator-set and AC distribution panel voltmeter/ammeter phase selection — supplied originally as a Katolight genset panel switch. Specific genset/panel application is not verified; sold by photographs, identifiers, and dimensions. **Condition:** Used, complete, and untested. Handle, escutcheon, and all contact decks present; terminal screws bright; front plate shows dust and light scuffing. No electrical testing has been performed and no operational claim is made. Original aged carton included. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.