Lockout Relay Working Function 86: Lockout relays are nothing but a manual reset relays, which ensure the fault has been cleared or inspected correctly. Lockout relays are activating multiple contacts at the same time. Best example for lockout relay is synchronous TNC switch and Mater trip relays 86 M, 86 H. [wp_ad_camp_1] Lockout Relays are … Continue reading Lockout Relay Working Function 86