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THOMAS & BETTS RA257 Female Disconnect Terminal

The THOMAS & BETTS RA257 is a female disconnect terminal engineered for robust and dependable connections in a variety of industrial applications. Featuring a brazed-seam serrated barrel, it provides exceptional tensile strength, ensuring long-term reliability. This terminal accommodates a wide range of wire gauges, from #22 to #10 AWG, and is available in various insulation styles (non-insulated, partially insulated, and fully insulated) using both nylon and vinyl materials. Its funnel-entry insulators simplify wire insertion, and color-coding facilitates easy installation. The RA257 is a critical component for terminal blocks and boards, offering a quick and reliable connection method.

Authorized Distributors
Source:DigiKey
Part No:RA257
Stock:0
Inv Date:06-16-2026
Price: Unit price: $0.47646
Buy/RFQ:
Part No:RA257
Stock:1250
Inv Date:06-17-2026
Price: Unit price: $0.95
Buy/RFQ:
Part No:RA257
Stock:1835
Inv Date:06-16-2026
Price: Unit price: $0.97
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Part No:RA257
Stock:1986
Inv Date:06-16-2026
Price: Unit price: $0.6732
Buy/RFQ:
Part No:RA257
Stock:1986
Inv Date:06-16-2026
Price: Unit price: $0.6732
Buy/RFQ:

THOMAS & BETTS RA257 Female Disconnect Terminal Specifications:

  • wire_range: 22–18 AWG
  • max_insulation: 0.150
  • tab_size: 0.250 x 0.032
  • package_quantity: 1,000

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Frequently Asked Questions

Where can I buy THOMAS & BETTS RA257?

You can click on the BUY or RFQ button to purchase RA257 from an authorized THOMAS & BETTS distributor.

How do I troubleshoot issues or seek technical support for part RA257?

You can download the RA257 datasheet or visit the THOMAS & BETTS website for support.

Who is the manufacturer of RA257?

THOMAS & BETTS

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