How it compares with the shielded peer
The E2B-M30KS15-WP-B2 2M looks the same body and connector, but it's shielded and normally closed. Shielded means you can flush-mount it without a dead zone, but the sensing range drops to 15 mm. If your panel is designed for a NO output and needs the full 20 mm reach, sticking with the unshielded KN20 is the move. The shielded sibling would require both a wiring change (NC to NO) and a closer target. No rework-free swap.
