The F5T8YCUL is a 12DC Volt Universal Plug-In relay manufactured by Saia-Burgess, who uses Johnson Electric's components. This part is a Miniature plug-in type relay and has a bulb cap. It has a rated coil voltage of 12DC, a contact form of DPST SNAP, and a resistor coil type with a rated operating current of 40 Amps. Additionally, it has a maximum switching voltage of 400 VAC/VDC and an insulation voltage of 2KV. The relay also comes with a socket, solder terminals and a Mylar optional cap. It is primarily used for applications such as appliances, lighting, industrial/residential equipment, small motors, and more. The F5T8YCUL has a compact and robust design which allows for ease of installation and increased durability. It is UL, cUL, and VDE approved.