Omron Safety (Sti) - D4N-2120 - Limit Switches Safety G1/2 1NC/1NO Roller Lever Actuator, D4N Series - Allied Electronics & Automation, part of RS Group
D4N-2A32R Omron Automation and Safety | Mouser
1-pk D4N-2187 Limit Switch Replacement for Omron | eBay
D4N-1C32 Omron Automation and Safety | Switches | DigiKey
D4N | OMRON, Europe
Omron Safety (Sti) - D4N-9B31 - SNAP ACTION LIMIT SWITCH, DPST-NC, ON-MOM, 10A AC, 2.5A DC, 120V AC, 125V DC - Allied Electronics & Automation, part of RS Group