The Octal DC Relay RS 348-784 is a high-quality power relay designed for general purpose use. 
With a maximum amperage of 250A and a coil voltage rating of 48 DC, this relay is capable of handling various electrical circuits. 
The RS brand is known for its reliability, making this particular model a dependable choice for industrial and commercial applications.
With 8 pins and 2 poles, this relay offers flexibility and efficiency in controlling electrical equipment and supplies. 
Made in the United Kingdom, this product ensures top-notch quality and performance for your business needs.
Been in storage since the 1990's selling as seen - I haven't tested them.
Thanks for looking.
Item will be very well packed - more items available in my other listings.  Please do check them out.
Cheers !