E2B-M12KS04-WP-B1 2M; E2B-M12KS04-WP-B2 2M; E2B-M12KS04-WP-C1 2M; E2B-M12KS04-WP-C2 2M; E2B-M12LS04-WP-B1 2M; E2B-M12LS04-WP-B2 2M; E2B-M12LS04-WP-C1 2M; E2B-M12LS04-WP-C2 2M 원주형 근접 센서