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MARATHON/KULKA 411GP21 Single Row Terminal Block

The Marathon/Kulka 411-GP-21 series terminal blocks are designed for reliable electrical connections in a variety of industrial applications. These single-row terminal blocks offer flexibility with 1 to 23 poles and a standard 1/4" center spacing. Constructed with a phenolic base and plated brass terminals, they provide durability and efficient current transfer. The open-back design requires an insulator strip for optimal voltage rating, and various hardware options are available to suit different mounting and connection needs. UL Recognized and CSA Certified for added assurance.

Authorized Distributors
Part No:411-GP-21
Stock:8
Inv Date:06-01-2026
Price: Unit price: $18.33
Buy/RFQ:
Part No:411-GP-21
Stock:8
Inv Date:06-01-2026
Price: Unit price: $18.33
Buy/RFQ:

MARATHON/KULKA 411GP21 Single Row Terminal Block Specifications:

  • Base Material: Phenolic
  • Design: Open Back (Insulator Strip Required)
  • Material Available: JJ (GDI-30F)
  • Screws: #2-56 Binder Head, Phil-Slot
  • Terminals: Plated Brass
  • Poles: 1-23
  • Centers: 1/4"
  • Wire Range: #18-#20 AWG
  • Current Rating: 5 Amps
  • UL File No: E47811
  • CSA File No: LR19766
  • Dimensions A: 5.75"
  • Dimensions B: 6.00"

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Frequently Asked Questions

Where can I buy MARATHON/KULKA 411GP21?

You can click on the BUY or RFQ button to purchase 411GP21 from an authorized MARATHON/KULKA distributor.

How do I troubleshoot issues or seek technical support for part 411GP21?

You can download the 411GP21 datasheet or visit the MARATHON/KULKA website for support.

Who is the manufacturer of 411GP21?

MARATHON/KULKA

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