Siemens HJD63B400 3-Pole 400A 600V High Interrupting Circuit Breaker

The Siemens HJD63B400 is a 400-amp, 3-pole, 600VAC Sentron series JD-frame molded case circuit breaker with high interrupting capacity — the maximum amperage in the HJD63B series. 100kA at 240V, 65kA at 480V, 35kA at 600V. The JD frame is a 400A frame, and this is the full-rated version. Used as main and feeder breakers in switchboards and industrial panelboards.

HJD63B400 Specifications

SpecificationValue
Amperage400A
Poles3
Voltage600VAC / 500VDC
Interrupt Rating100kA @ 240V · 65kA @ 480V · 35kA @ 600V
Frame SizeJD Frame (400A Frame)
Mounting TypeBolt-On
Trip TypeThermal Magnetic
Trip FunctionLI — Long-Time, Instantaneous
Wire Size#3/0–500 kcmil Cu/Al
Phase3-Phase
StandardsUL 489, IEC 60947-2
Temperature Rating40°C

Key Features

  • 100kA @ 240V · 65kA @ 480V · 35kA @ 600V
  • 400A maximum — full-rated JD frame
  • Interchangeable trip units available
  • UL 489 listed
  • AllBreakerSales.com 1-Month Replacement Warranty — defects in material or workmanship covered

Applications

  • Industrial main circuit protection
  • Switchboard main breakers
  • Large feeder circuit protection

Buy HJD63B400 Circuit Breaker

Siemens Sentron HJD6 JD-Frame 400A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.

Brand: Siemens | Series: Sentron HJD6 JD-Frame | Catalog Number: HJD63B400

Related Circuit Breakers

HJD63B350 - Siemens Sentron HJD6 JD-Frame | HJD62B400 - Siemens Sentron HJD6 JD-Frame

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