...gth Output (overall length) configuration 34 (50) Non-shielded 8.0 mm Pre-wired Brass Brass PNP E2A-M12KS04-WP-B1 2M E2A-M12KS04-WP-B2 2M E2A-M12KS04-WP-C1 2M E2A-M12KS04-WP-C2 2M PNP E2A-M12...

https://www.omron.com.vn/data_pdf/cat/e2a_dsheet_d100-e1-01b.pdf

...al. Standard sensing models are thus available. M12 Shielded 4.0 mm Pre-wired Brass 34 (50) PNP E2A-M12KS04-WP-B1 2M E2A-M12KS04-WP-B2 2M NPN E2A-M12KS04-WP-C1 2M E2A-M12KS04-WP-C2 2M 56 (72)...

https://www.ia.omron.com/data_pdf/cat/e2a_dsheet_d100-e1-01b.pdf