Siemens JXD63B400 400A 600V 3-Pole Molded Case Circuit Breaker

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SKU: JXD63B400 UPC: 783643213098
Regular price $1,047.96
Regular price -20% $1,309.95 Sale price $1,047.96
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Condition

JXD63B400 voltage-specific rating: Siemens JXD63B400 is a 400-amp, three-pole SENTRON JD-frame breaker with a fixed thermal-magnetic trip. Its standard breaking capacity is 25kA at 600VAC and 35kA at 480VAC—not 65kA.

JXD63B400 specifications

  • Catalog number: JXD63B400
  • Current and poles: 400A, 3-pole
  • Maximum rating: 600VAC / 250VDC
  • Interrupting capacity: 25kA at 600VAC; 35kA at 480VAC
  • Trip: Non-interchangeable thermal-magnetic
  • Frame: JD / JXD6

Terminal package check

The standard manufacturer description notes no lugs installed. Confirm the actual BreakerSmart unit and photos for supplied terminals; never assume a lug kit is included from the frame number alone.

Engineering checkpoint

Verify mounting, line/load terminals, system voltage, available fault current, accessories, conductor range, and coordination. Installation should be performed by qualified personnel under Siemens instructions.

There is a $15 charge for delivery. Additional charges will be imposed by our couriers for delivery to remote areas, a surcharge may be levied to cover carriage to these areas.

Warranty Coverage

We stand behind every product we sell. Coverage depends on the condition of the item at time of purchase:

  • New: 12-month warranty
  • New Open Box: 10-month warranty
  • Reconditioned: 90-day warranty

Warranty coverage begins on the date of delivery and covers manufacturing and functional defects under normal use. It does not cover damage from misuse, improper installation, or unauthorized repair. To make a warranty claim, contact us at support@breakersmart.com with your order number and a description of the issue.