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THOMAS & BETTS RB257 Vinyl Insulated Female Disconnect

The THOMAS & BETTS RB257 is a vinyl insulated female disconnect terminal, engineered for reliable wire termination in various electrical applications. Its unique construction and brazed seam serrated barrel provide exceptional tensile strength and long-term durability. This disconnect is ideal for applications requiring secure and dependable connections, particularly in industrial and commercial settings. It is compatible with application tools like WT145C and WT2000, ensuring efficient and precise installation.

Authorized Distributors
Source:Newark
Part No:RB257
Stock:1
Inv Date:06-16-2026
Price: Unit price: $459
Buy/RFQ:
Source:DigiKey
Part No:RB257
Stock:0
Inv Date:06-16-2026
Price: Unit price: $0.57257
Buy/RFQ:
Part No:RB257
Stock:2501
Inv Date:06-17-2026
Price: Unit price: $1.09
Buy/RFQ:
Part No:RB257
Stock:1614
Inv Date:06-16-2026
Price: Unit price: $1.11
Buy/RFQ:
Part No:RB257
Stock:7336
Inv Date:06-16-2026
Price: Unit price: $0.5719
Buy/RFQ:
Part No:RB257
Stock:7336
Inv Date:06-16-2026
Price: Unit price: $0.5719
Buy/RFQ:

THOMAS & BETTS RB257 Vinyl Insulated Female Disconnect Specifications:

  • Catalog Number: RB257
  • Product ID: 7TAI029730R0003
  • UPC Number: 78621081817
  • EAN Number: 05414363158561
  • Length: 0.96 Inches
  • Width: 0.29 Inches
  • Maximum Insulation: 0.170
  • Tab Size: 0.250x0.032
  • Wire Range: #16-#14 AWG
  • Color: Blue
  • Material: Copper, Tin Plated
  • Quantity per Pack: 1000
  • UNSPSC: 39121447
  • IGCC: 4667
  • Brand Name: Sta-Kon
  • Standard: UL E66716
  • Material insulation: PVC
  • ETIM: EC000516
  • Inner Quantity: 1000
  • Inner Dimensions: 6.1x4.6x3.1 inches
  • Outer Quantity: 10000
  • Outer Dimensions: 16x9.8x6.8 inches
  • Weight Uom: 3.13 lbs. per 1000

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Frequently Asked Questions

Where can I buy THOMAS & BETTS RB257?

You can click on the BUY or RFQ button to purchase RB257 from an authorized THOMAS & BETTS distributor.

How do I troubleshoot issues or seek technical support for part RB257?

You can download the RB257 datasheet or visit the THOMAS & BETTS website for support.

Who is the manufacturer of RB257?

THOMAS & BETTS

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