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MARATHON/KULKA 603JJ07 Open Back Terminal Block

The Marathon/Kulka 603-JJ-07 is a robust open-back terminal block designed for reliable connections in commercial and general industrial environments. It boasts a current rating of 50 amps and a voltage rating of 600 volts AC/DC, ensuring safe and efficient power distribution. Constructed with tin-plated brass connectors and a durable insulator base, this terminal block is built to withstand demanding conditions. It is UL Listed and CSA Certified, providing assurance of quality and performance. Suitable for factory and field wiring, the 603-JJ-07 offers a secure and dependable solution for a wide range of applications.

Authorized Distributors
Part No:603JJ07
Stock:0
Inv Date:06-01-2026
Price: Unit price: $118.64
Buy/RFQ:
Part No:603-JJ-07
Stock:1
Inv Date:06-01-2026
Price: Unit price: $82.55
Buy/RFQ:
Part No:603-JJ-07
Stock:1
Inv Date:06-01-2026
Price: Unit price: $82.55
Buy/RFQ:

MARATHON/KULKA 603JJ07 Open Back Terminal Block Specifications:

  • number_of_poles: 7
  • 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
  • short_circuit_current_rating: 10,000A
  • 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: JJ (GDI-30F). Glass-fiber filled, diallyl ortho-phthalate
  • screw_material: Stainless steel
  • rivet_material: Brass, tin plated
  • ul_listing: UL Recognized, UL 1059
  • ul_file_number: XCFR2.E47811
  • csa_certification: CSA Certified, 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_603_jj_01: 1
  • dimension_b_603_jj_01: 1.81
  • dimension_x_603_jj_01: 1.38
  • dimension_a_603_jj_02: 2
  • dimension_b_603_jj_02: 2.50
  • dimension_x_603_jj_02: 2.06
  • dimension_a_603_jj_03: 3
  • dimension_b_603_jj_03: 3.19
  • dimension_x_603_jj_03: 2.75
  • dimension_a_603_jj_04: 4
  • dimension_b_603_jj_04: 3.88
  • dimension_x_603_jj_04: 3.44
  • dimension_a_603_jj_05: 5
  • dimension_b_603_jj_05: 4.56
  • dimension_x_603_jj_05: 4.13
  • dimension_a_603_jj_06: 6
  • dimension_b_603_jj_06: 5.25
  • dimension_x_603_jj_06: 4.81
  • dimension_a_603_jj_07: 7
  • dimension_b_603_jj_07: 5.94
  • dimension_x_603_jj_07: 5.50
  • dimension_a_603_jj_08: 8
  • dimension_b_603_jj_08: 6.62
  • dimension_x_603_jj_08: 6.19
  • dimension_a_603_jj_09: 9
  • dimension_b_603_jj_09: 7.31
  • dimension_x_603_jj_09: 6.87
  • dimension_a_603_jj_10: 10
  • dimension_b_603_jj_10: 8.00
  • dimension_x_603_jj_10: 7.56
  • dimension_a_603_jj_11: 11
  • dimension_b_603_jj_11: 8.68
  • dimension_x_603_jj_11: 8.25
  • dimension_a_603_jj_12: 12
  • dimension_b_603_jj_12: 9.37
  • dimension_x_603_jj_12: 8.94

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Frequently Asked Questions

Where can I buy MARATHON/KULKA 603JJ07?

You can click on the BUY or RFQ button to purchase 603JJ07 from an authorized MARATHON/KULKA distributor.

How do I troubleshoot issues or seek technical support for part 603JJ07?

You can download the 603JJ07 datasheet or visit the MARATHON/KULKA website for support.

Who is the manufacturer of 603JJ07?

MARATHON/KULKA

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