Insta. Contactor 24V 2NO 20A 230VAC (P#11424929) 11424929 Category: Siemens Healthcare Low Prices Price match guarantee Guaranteed Fitment. Always the correct part In-House Experts. We know our products Easy Returns. Quick & Hassle Free 11424929 – Insta. Contactor 24V 2NO 20A 230VAC Description Description Insta. Contactor 24V 2NO 20A 230VAC