Siemens 3TK28 28-2BB41 Safety Relay, For Emergency Stop and Protective Doors, Auto Start, Spring Loaded
Siemens 3TK28 24-1BB40 Safety Relay, For Emergency Stop and Protective Doors, Autostart, Screw Terminals, 22.5mm Width, 2 NO Enabling Contacts 22.5mm Width, 2 NO Enabling Contacts, 24VDC Rated Voltage: Electronic Relays: Amazon.com:
Siemens 3TK28 25-1BB40 Safety Relay, For Emergency Stop and Protective Doors, Autostart/monitored Start, Screw Terminals, 45mm Width, 3 NO Enabling Contacts, 2 NC Signal Contacts 45mm Width, 3 NO Enabling Contacts, 2
Siemens 3TK28 28-1AL20 Safety Relay, For Emergency Stop and Protective Doors, Auto Start, Screw Terminals, 45mm Width, 2 NO + 2 NO Enabling Contacts, 1 NC Signal Contacts 45mm Width, 2 NO +
Siemens 3TK28 25-1BB40 Safety Relay, For Emergency Stop and Protective Doors, Autostart/monitored Start, Screw Terminals, 45mm Width, 3 NO Enabling Contacts, 2 NC Signal Contacts 45mm Width, 3 NO Enabling Contacts, 2
Siemens 3TK28 24-1BB40 Safety Relay, For Emergency Stop and Protective Doors, Autostart, Screw Terminals, 22.5mm Width, 2 NO Enabling Contacts 22.5mm Width, 2 NO Enabling Contacts, 24VDC Rated Voltage: Electronic Relays: Amazon.com: