bisco industries Blog

Product Spotlight: Marathon 1500 Series Heavy Duty Terminal Blocks

Marathon Special Products’ line of 1500 series heavy duty terminal blocks offer reliable electrical terminations for harsh environments. In fact, these heavy duty terminal blocks are UL listed and CSA certified.

Marathon’s 1500 series terminal blocks are classified as barrier terminal blocks denoting the insulating barrier between terminals. The insulator base and barrier are molded from high temperature phenolic material ideal for high stress applications. The 1500 series terminal blocks are available in 2 pole, 4 pole, 6 pole, 8 pole, and 12 pole options.  


  • 75 amps
  • 600 volts AC/DC
  • Base, phenolic, 150°C (UL RTI)
  • Screws, #10-32 phil-slot, brass, nickel plated
  • Connector, brass, nickel plated
  • 5/8″ (.625″) line-to-line spacing
  • Bare wire range #10-22 AWG CU
  • Accepts lugs w/max width of .50″


  • Industrial control panels
  • Solar combiner boxes
  • Military vehicles
  • Motor control
  • Transportation
  • And more

Where to Find 1500 Series Terminal Blocks

bisco’s recently optimized online catalog offers the complete 1500 series of Marathon terminal blocks. Follow this link to browse and filter Marathon heavy duty terminal blocks. bisco industries is proud to be an authorized Marathon Special Products distributor.

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

%d bloggers like this: