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MARATHON/KULKA 603JJ05 Open Back Terminal Block

The Marathon/Kulka 603-JJ-05 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 insulator base, this terminal block meets UL 1059 Class B and C standards. It is suitable for factory and field wiring and is approved for a wide range of industrial applications requiring secure and reliable electrical connections.

Authorized Distributors
Part No:603JJ05
Stock:0
Inv Date:06-01-2026
Price: Unit price: $86.57
Buy/RFQ:
Part No:603-JJ-05
Stock:3
Inv Date:06-01-2026
Price: Unit price: $109.32
Buy/RFQ:
Part No:603-JJ-05
Stock:3
Inv Date:06-01-2026
Price: Unit price: $109.32
Buy/RFQ:

MARATHON/KULKA 603JJ05 Open Back Terminal Block Specifications:

  • number_of_poles: 5
  • amp_rating: 50A
  • voltage_rating: 600V AC/DC
  • wire_range_binding_screw: #10 - #16 AWG
  • wire_range_ring_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: Glass-fiber filled, diallyl ortho-phthalate (JJ GDI-30F)
  • 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
  • a_dimension: 603 JJ 01: 1
  • b_dimension: 603 JJ 01: 1.81
  • x_dimension: 603 JJ 01: 1.38
  • a_dimension_603_jj_02: 603 JJ 02: 2
  • b_dimension_603_jj_02: 603 JJ 02: 2.50
  • x_dimension_603_jj_02: 603 JJ 02: 2.06
  • a_dimension_603_jj_03: 603 JJ 03: 3
  • b_dimension_603_jj_03: 603 JJ 03: 3.19
  • x_dimension_603_jj_03: 603 JJ 03: 2.75
  • a_dimension_603_jj_04: 603 JJ 04: 4
  • b_dimension_603_jj_04: 603 JJ 04: 3.88
  • x_dimension_603_jj_04: 603 JJ 04: 3.44
  • a_dimension_603_jj_05: 603 JJ 05: 5
  • b_dimension_603_jj_05: 603 JJ 05: 4.56
  • x_dimension_603_jj_05: 603 JJ 05: 4.13
  • a_dimension_603_jj_06: 603 JJ 06: 6
  • b_dimension_603_jj_06: 603 JJ 06: 5.25
  • x_dimension_603_jj_06: 603 JJ 06: 4.81
  • a_dimension_603_jj_07: 603 JJ 07: 7
  • b_dimension_603_jj_07: 603 JJ 07: 5.94
  • x_dimension_603_jj_07: 603 JJ 07: 5.50
  • a_dimension_603_jj_08: 603 JJ 08: 8
  • b_dimension_603_jj_08: 603 JJ 08: 6.62
  • x_dimension_603_jj_08: 603 JJ 08: 6.19
  • a_dimension_603_jj_09: 603 JJ 09: 9
  • b_dimension_603_jj_09: 603 JJ 09: 7.31
  • x_dimension_603_jj_09: 603 JJ 09: 6.87
  • a_dimension_603_jj_10: 603 JJ 10: 10
  • b_dimension_603_jj_10: 603 JJ 10: 8.00
  • x_dimension_603_jj_10: 603 JJ 10: 7.56
  • a_dimension_603_jj_11: 603 JJ 11: 11
  • b_dimension_603_jj_11: 603 JJ 11: 8.68
  • x_dimension_603_jj_11: 603 JJ 11: 8.25
  • a_dimension_603_jj_12: 603 JJ 12: 12
  • b_dimension_603_jj_12: 603 JJ 12: 9.37
  • x_dimension_603_jj_12: 603 JJ 12: 8.94

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Frequently Asked Questions

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You can download the 603JJ05 datasheet or visit the MARATHON/KULKA website for support.

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MARATHON/KULKA

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