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Marathon Special Products

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MIK3 5mm Center Lines 600 Volt, 20 Amp

  • Insulating Material, Polyamide 6.6, Gray
  • Wire Range #22-#12 AWG - 20 Amps
  • UL Recognized File No. XCFR2.E62806
  • CSA Certified File No. LR700930 - 25 Amps
  • VDE - 26 Amps
  • CE Mark
Marathon MIK3 Series DIN-Rail Terminal Blocks Distributors
DIN-Rail Mounted

If you are looking for Marathon Terminal Blocks, please call us at (800) 894-0412 or email us at we will do our best to help you find the Marathon Fuse Holders that you are looking for at the most competitive prices possible. If you are searching for Marathon Power Blocks technical information (data-sheets) please use the datasheets or product selection guide page links.

Double Row

Double Row Terminal Blocks are available in many line-to-line spacings. Open and closed back designs are available. Insulator bases are available in both phenolic and thermoplastic material. Each series has many hardware and marking options available. The voltage ratings of terminal blocks are based upon the minimum spacing between electrically conductive parts line-to-line through air and over surface and line-to-ground through air and over surface.

  • Class A: Service, including deadfront switchboards, panel boards and service equipment.
  • Class B: Commercial appliances including business equipment and electronic data processing equipment.
  • Class C: Industrial, general
Marathon 600 GP Series Kulka Double Row Terminal Block Distributor

Double Row

Class H & K 250 Volts Fuse Holders

  • Are Approved for 10,000 Amp Withstand Rating
  • Patented Cool-Clip Design
  • UL Listed File No. IZLT.E35113
  • CSA Certified File No. LR21455
  • 30 & 60 Amp: Clip, Copper Alloy, Tin Plated
  • 100 Amp: Clip, Copper Alloy, Tin Plated, with reject pin
  • 200 Amp: Clip, One Piece Aluminum, Tin Plated
  • 400 & 600 Amp: Clip, Copper Alloy, Tin Plated
  • CE Mark
Marathon Class H K 250 Volts Fuse Holders Distributors
Fuse Holders

Power Splicer Blocks

  • Connector, High Conductive Aluminum, Tin Plated
  • Rated for Copper and Aluminum Wire
  • Amp Rating Based on NEC Table 310-16 Using 75°C and 90°C Copper Wire
  • UL Recognized File No. XCFR2.E62806
  • CSA Certified File No. LR19766
  • CE Mark
Marathon Power Splicer Blocks Distributor
Power Blocks

1100 Series - Deadfront Type Terminals

  • Base, General Purpose Phenolic, 150°C
  • Connector, Aluminum Tin Plated
  • Spring, Copper, Use 11XXS
  • Screws, Brass, Tin Plated
  • Wire Range #6-#18 AWG CU - 65 Amps
  • Wire Range With Spring #6-#14 AWG CU - 65 Amps
  • UL Recognized File No. XCFR2.E62806
  • CSA Certified File No. LR19766
  • CE Mark
Marathon 1100 Series Deadfront Type Heavy Duty Terminal Blocks Distributors
Heavy Duty

Single Row

Single Row Terminal Blocks are available in four basic line to line molding sizes. Some are available in either open or feed thru/printed circuit designs. The basic material is phenolic. Modifications are also provided on most terminal blocks, including marking strips.

The voltage ratings of terminal blocks are based upon the minimum spacing between electrically conductive parts line to line through air and over surface and line to ground through air and over surface.

Marathon Kulka 411 Series Single Row Terminal Blocks Distributor
Single Row

ST722B Series (Back Mount) Terminal Blocks

  • 300 Volts (UL 1059 Class B and C)
  • 175 Amps
  • Wire Range #2/0 - #8
  • (Accommodates Two Hole Compression Lugs on .625" Centers - wires #2 and larger may require narrow lugs)
  • Base, Thermoplastic, 125°C (UL RTI)
  • Studs, Brass, Nickel Plated
  • 2 - 6 Poles
  • .73" Centers
  • Application Torque: 35 lbf-in for #10 - 32 and M5. 50 lbf-in for 1/4" - 20 and M6
  • The Suitability of These Devices for Greater Currents Shall Be Determined in the End-Use Application
  • UL Recognized File No. XCFR2.E62806
  • CSA Certified File No. LR19766
  • CE Mark
Marathon ST722B Series Studded Power Feed Thru Terminal Blocks Distributors
Studded Power Feed Thru

3/8" Sectional - 600 Volts 32 Circuits Per Foot Terminal Blocks

  • Channel (C), Flat (F) & (DIN) Mount
  • UL Recognized File No. XCFR2.E62806
  • CSA Certified File No. LR 19766
  • Wire termination torque 16 lb-in
  • Base - Gray Thermoplastic, 125°C (RTI)
  • Tubular Screw Connector - Copper, Tin Plated
  • Screw - #10-32 Steel, Nickel Plated 50 Amps (40 Amps CSA)
  • CE Mark
Marathon 3/8 Sectional Terminal Blocks Distributor

Navy Class Terminal Blocks

  • Molded materials is MAI-60 in accordance with MIL-M-14. The stud connector for these terminal boards is considered part of the stud and is required, unless otherwise specified. With the stud connector removed, the terminal board will provide twice the number of connection points and allow for an additional wire per terminal. Nuts and connectors are unplated brass and shipped unassembled.
Marathon Navy Class Terminal Blocks Distributors
Navy/Military Class

ST750 & ST755 Series

Marathon Special Products has been an industry leader in electrical/electronic components designed for circuit protection and connection applications for over 60 years.

We are pleased to introduce our new Motor Terminal Blocks. The new motor blocks provide a systematic method to wire electrical motors in the motor's junction box and allow for circuit management.

These blocks allow for much easier circuit testing and motor replacement over the traditional method of bolts, nuts and insulation. The motor terminal block links can be assembled for either wye or delta wiring configurations.

Marathon ST750 & ST755 Series Motor Terminal Blocks Distributors
ST750 & ST755 Series

Single Stud Connection Blocks

  • Base, Thermoplastic
  • Temperature rating of 125°C (UL RTI)
  • Hardware, Stainless Steel
  • 300V
  • Recommended Mounting Screw 1/4"
  • Available with two stud sizes: 5/16" or 3/8"
  • Designed for two or more wire lugs
Marathon Single Stud Connection Blocks Distributor
Single Stud Connection

DIN Rail Adapters for Fuse Holders

  • DIN Adapter is Made of Acetal Resin Material
  • High Mechanical Strength and Rigidity
  • Good Resilience and Resistance to Creep
  • Excellent Dimensional Stability
  • Excellent Low Temperature Toughness
  • Wide End-Use Temperature Range
  • Class CC, G and M Fuse Holder Accessories
Marathon DIN Rail Adapters for Fuse Holders Distributors
Accessories for Fuse Holders

Custom Products

If it involves wire connections, we can engineer the solution and manufacture it for you. Whether it's a modification to a current product or a custom design, let Marathon Special Products provide the solution to your application needs. Our 75+ years of experience in designing, engineering and manufacturing electrical wire connection devices gives us the design expertise and manufacturing capabilities involving metal stampings, fabrication, thermoplastic and thermoset injection molding and components assembly.

Marathon Custom Terminal Blocks Distributor
Custom Blocks

Our industrial factory automation supplies distributors warehouse in Boise, Idaho USA stocks some Marathon products enabling us to further assist you in finding the correct DIN rail mounted terminals in the USA, Canada and Mexico. Whether we have double row terminals in stock in Boise, Idaho or need to ship direct from Marathon to any USA cities; Clearwater Tech can get heavy duty terminals to you fast and save you some money! It will be very helpful if you have the fuse holder part numbers ready, then our sales representatives can provide you with a pricing and availability quote for single row terminals that you are looking for in seconds. If you do not have the part numbers for power blocks, our application engineers will be able to help you figure out the part numbers and get the price quote to you as soon as possible.

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IDEC Switches

Selector & Key Selector switches are also available, as well as marking plates, engraved to designate the function of the switch or its position. Now there is no reason for customers to have switches without clear labeling. CW switches are perfect for instrumentation, medical equipment, food and beverage processing equipment, semi-conductor equipment, non-industrial applications (train cab, parking machines, audio/visual equipment), machine

ABB Relays

Basically Over and under temperatures (window monitoring) can be monitored. For status indication LEDs are included as well as 1 n/o and 2 c/o (SPDT) contact. The C512 and C513 temperature monitors are display based units for all types of sensors: PT100, PT1000, KTY83, KTY84, NTC-B57227-K333-A1. Depending on the device up to 3 sensors can be connected and different supply voltage versions are available.