Siemens Molded Case Circuit Breaker: 300 A Amps, 65kA at 240V AC, Fixed, Lug, ABC
The SIEMENS JD-Frame Molded Case Circuit Breaker, model JXD23B300, is a 300 A rated device from the JXD2-A series. It features a fixed instantaneous trip, lug terminal connections, and a three-phase ABC connection…
SKU 3G-OTH-21006
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Product Description
The SIEMENS JD-Frame Molded Case Circuit Breaker, model JXD23B300, is a 300 A rated device from the JXD2-A series. It features a fixed instantaneous trip, lug terminal connections, and a three-phase ABC connection, with a maximum AIR rating of 65kA at 240V AC.
Frequently Asked Questions
What is the SIEMENS JXD23B300 molded case circuit breaker used for?
The SIEMENS JXD23B300 is a JD-Frame molded case circuit breaker rated for 300 A. It is used for overcurrent protection in industrial and commercial power distribution systems, typically in three-phase ABC applications up to 240V AC.
What are the specifications of the SIEMENS JXD23B300?
The SIEMENS JXD23B300 is a 300 A molded case circuit breaker from the JXD2-A series. It has a fixed instantaneous trip, lug terminal connections, three-phase ABC connection, and a maximum AIR rating of 65kA at 240V AC. The manufacturer part number is JXD23B300.
Where to buy the SIEMENS JXD23B300 worldwide?
You can source the SIEMENS JXD23B300 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.
How to select the correct SIEMENS molded case circuit breaker for your application?
To select the correct SIEMENS molded case circuit breaker, verify your system voltage (240V AC), required amp rating (300 A), phase connection (ABC), and trip type (fixed instantaneous). Ensure the AIR rating (65kA) exceeds your available fault current. Consult a licensed electrician for proper coordination.
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3G Electric supplies Siemens jd-frame siemens molded case circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













