JD3B400 - 400A Circuit Breaker
- 400 Amp
- 22k @ 240VAC
- 3 Pole
Purchase Options: Refurbished
JD3B400 - 400A Circuit Breaker Description
JD3B400 - 400A Circuit Breaker
Built in the 1950s, the JD3B400 Molded Case Circuit Breaker exemplifies the durability and ingenuity of its era. Designed with longevity and reliability in mind, this circuit breaker remains in excellent working order over seven decades later—a true testament to its robust construction and timeless engineering. Crafted for demanding industrial and commercial environments, the JD3B400 combines advanced thermal-magnetic trip technology with outstanding performance and safety, making it a dependable choice for critical systems.
Key Features and Benefits:
- Durable and Long-Lasting Design: The JD3B400 was built to endure, continuing to perform reliably even after 70+ years of service, showcasing the exceptional engineering of the 1950s.
- High Interrupting Capacity: With an A.I.C. rating of 22k at 240VAC, it provides robust protection against significant fault currents.
- Precision Thermal-Magnetic Trip: Ensures swift and accurate response to overloads and short circuits, safeguarding your systems and minimizing downtime.
- Thermal Stability: Operates reliably in environments up to 40°C, maintaining consistent performance in challenging conditions.
Technical Specifications:
- Poles: 3
- Amperes: 400
- A.I.C. Rating & Volts: 22k @ 240VAC
- Frame Type: JD3
- Operating Temperature: 40°C
Material Compliance and Certifications:
The JD3B400 adheres to stringent international safety and performance standards, ensuring reliability and peace of mind for engineers and technicians. Its certification reflects its suitability for diverse and critical applications.
Suitability:
Ideal for industrial facilities, commercial buildings, and infrastructure projects, the JD3B400 offers unmatched reliability and efficiency. Its ability to handle high fault currents while maintaining dependable performance makes it a top choice for environments requiring robust electrical protection. Its impressive longevity reinforces its reputation as a superior product of mid-20th-century engineering.
Specifications
- Depth:4.0
- Height:11.0
- Width:9.0
- Poles:3
- Amperes:400
- A.I.C. Rating & Volts:22k @ 240VAC
- Type:JD3
- Approx Dimensions:9.00"W x 11.00"L x 4.00"D
- Additional Notes:40ºC, Type ET 400 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
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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).