Siemens HJD J-Frame Hi-Break Circuit Breakers
The Siemens HJD series is a J-Frame 400A Hi-Break molded case circuit breaker rated for 600V and 65kA interrupting capacity at 480V. Available in 2-pole and 3-pole configurations from 70A to 400A for commercial feeder and industrial distribution applications.
Series Specifications
| Frame | J-Frame 400A Hi-Break — 400A Frame |
|---|---|
| Amperage Range | 70A – 400A |
| Voltage | 600VAC |
| Poles | 2-Pole & 3-Pole |
| Interrupting Rating | 65kA @ 480V |
| Mounting | Bolt-On |
| Trip Type | Thermal Magnetic |
History and Replacement Context
The Siemens HJD Hi-Break series provides higher interrupting capacity than the standard JD frame for high-fault industrial and commercial applications.
Typical Applications
- Commercial feeder circuits
- Industrial distribution
- Motor control center feeders
- Switchboard applications
Available Catalog Numbers
- HJD63B200 — 200A, 3 pole, 240/480/600VAC
- HJD63B225 — 225A, 3 pole, 240/480/600VAC
- HJD63B250 — 250A, 3 pole, 240/480/600VAC
- HJD63B300 — 300A, 3 pole, 600VAC / 500VDC
- HJD63B350 — 350A, 3 pole, 600VAC / 500VDC
- HJD63B400 — 400A, 3 pole, 600VAC / 500VDC
- HJD62B200 — 200A, 2 pole, 600VAC / 500VDC
- HJD62B225 — 225A, 2 pole, 600VAC / 500VDC
- HJD62B250 — 250A, 2 pole, 600VAC / 500VDC
- HJD62B300 — 300A, 2 pole, 600VAC / 500VDC
- HJD62B350 — 350A, 2 pole, 600VAC / 500VDC
- HJD62B400 — 400A, 2 pole, 600VAC / 500VDC
- HJD62B300 — 300A, 2 pole, 240/480/600VAC
- HJD62B350 — 350A, 2 pole, 240/480/600VAC
- HJD62B400 — 400A, 2 pole, 240/480/600VAC