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MARATHON/KULKA 603JJ04 Open Back Terminal Block

The Marathon/Kulka 603-JJ-04 is a robust open-back terminal block designed for commercial and general industrial applications. It offers a current rating of 50 amps and a voltage rating of 600 volts AC/DC, ensuring reliable performance in demanding environments. Constructed with tin-plated brass connectors and a durable glass-fiber filled diallyl ortho-phthalate insulator base, this terminal block provides excellent electrical connectivity and mechanical strength. It is UL Recognized and CSA Certified, meeting stringent safety standards. Suitable for factory and field wiring, the 603-JJ-04 is a versatile solution for various electrical systems.

Authorized Distributors
Part No:603JJ04
Stock:0
Inv Date:06-01-2026
Price: Unit price: $71.08
Buy/RFQ:
Part No:603-JJ-04
Stock:9
Inv Date:06-01-2026
Price: Unit price: $76.08
Buy/RFQ:
Part No:603-JJ-04
Stock:9
Inv Date:06-01-2026
Price: Unit price: $76.08
Buy/RFQ:

MARATHON/KULKA 603JJ04 Open Back Terminal Block Specifications:

  • number_of_poles: 4
  • amp_rating: 50A
  • voltage_rating: 600V AC/DC
  • wire_range_with_binding_screw: #10 - #16 AWG
  • wire_range_with_lug: #6 – 16 AWG
  • center_distance: 11/16"
  • application_torque: 20 in. lbs
  • storage_transportation_temp_range: -35°C to 110°C (-31°F to 230°F)
  • max_insulator_base_temp: 130°C (266°F)
  • flammability_rating: UL 94V-0
  • connector_material: Brass, tin plated
  • insulator_base_material: Glass-fiber filled, diallyl ortho-phthalate (JJ GDI-30F)
  • screw_material: Stainless steel
  • rivet_material: Brass, tin plated
  • ul_listing: UL 1059 Class B and C
  • ul_file_number: XCFR2.E47811
  • csa_certification: CSA C22.2 No. 158
  • csa_file_number: LR19766
  • ce_compliance: IEC 60947-7-1
  • military_specifications: MIL-M-14 and MIL-P-19833
  • dimension_a: 1.38
  • dimension_b: 3.44

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Frequently Asked Questions

Where can I buy MARATHON/KULKA 603JJ04?

You can click on the BUY or RFQ button to purchase 603JJ04 from an authorized MARATHON/KULKA distributor.

How do I troubleshoot issues or seek technical support for part 603JJ04?

You can download the 603JJ04 datasheet or visit the MARATHON/KULKA website for support.

Who is the manufacturer of 603JJ04?

MARATHON/KULKA

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