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** Picture is for identification purposes only and may not represent the actual amperage of the product listed **

JD3B300 - 300A Circuit Breaker

  • 300 Amp
  • 22k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: JD3B300 [R]

Purchase Options: Refurbished

JD3B300 - 300A Circuit Breaker Description

JD3B300 - 300A Circuit Breaker

Built in the 1950s, the JD3B300 Molded Case Circuit Breaker stands as a testament to the enduring craftsmanship and engineering of its era. Designed for longevity and reliability, this circuit breaker remains in great working order, thanks to its robust construction and timeless design. Engineered for demanding industrial and commercial environments, the JD3B300 combines advanced thermal-magnetic trip technology with exceptional performance and safety, making it a trusted solution for decades.

Key Features and Benefits:

  • Durable and Long-Lasting Design: Built to withstand the test of time, the JD3B300 continues to operate reliably after over 70 years, a hallmark of 1950s engineering excellence.
  • High Interrupting Capacity: With an A.I.C. rating of 22k at 240VAC, it offers robust protection against significant fault currents.
  • Precision Thermal-Magnetic Trip: Responds swiftly to overloads and short circuits, ensuring reliable protection and minimizing potential system damage.
  • Thermal Stability: Designed to operate consistently at 40å¡C, maintaining performance even in challenging conditions.

Technical Specifications:

  • Poles: 3
  • Amperes: 300
  • A.I.C. Rating & Volts: 22k @ 240VAC
  • Frame Type: JD3
  • Operating Temperature: 40å¡C

Material Compliance and Certifications:

The JD3B300 complies with stringent international safety and performance standards, ensuring reliability across a wide range of applications. Its certification underscores its suitability for critical systems where safety and longevity are paramount.

Suitability:

Perfect for industrial plants, commercial buildings, and large-scale infrastructure projects, the JD3B300‰۪s high fault current interruption capability and dependable performance make it an ideal choice for environments requiring robust electrical protection. Its ability to endure decades of service speaks volumes about its superior design and construction.

Specifications

  • Depth:4.0
  • Height:11.0
  • Width:9.0
  • Poles:3
  • Amperes:300
  • A.I.C. Rating & Volts:22k @ 240VAC
  • Type:JD3
  • Approx Dimensions:9.00"W x 11.00"L x 4.00"D
  • Additional Notes:40å¼C, Type ET 300 Ampere "JD" Frame, Molded Case Circuit Breaker

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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