Siemens JD J-Frame Series (Siemens) Circuit Breakers
The Siemens JD series is a J-Frame molded case circuit breaker rated 70A–250A at 600VAC for industrial feeder and branch circuit protection.
Series Specifications
| Frame | J-Frame — 250A Frame |
|---|---|
| Amperage Range | 70A – 250A |
| Voltage | 600VAC |
| Poles | 2-Pole & 3-Pole |
| Interrupting Rating | 35kA @ 480V |
| Mounting | Fixed |
| Trip Type | Thermal Magnetic |
History and Replacement Context
The JD series was part of the ITE/Gould product line. Siemens continued the JD series after the 1978 acquisition.
Typical Applications
- Industrial feeder circuits
- Commercial distribution
- Motor branch circuits
Available Catalog Numbers
- JD3250 — 250A, 3 pole, 240/480/600VAC
- JD3100 — 100A, 3 pole, 600VAC
- JD3125 — 125A, 3 pole, 600VAC
- JD3150 — 150A, 3 pole, 600VAC
- JD3175 — 175A, 3 pole, 600VAC
- JD3200 — 200A, 3 pole, 600VAC
- JD3225 — 225A, 3 pole, 600VAC
- JD2250 — 250A, 2 pole, 600V
- JD3150W — 150A, 3 pole, 600VAC
- JD3175W — 175A, 3 pole, 600VAC
- JD3200W — 200A, 3 pole, 600VAC
- JD3225W — 225A, 3 pole, 600VAC
- JD3250W — 250A, 3 pole, 600VAC
- JD3070 — 70A, 3 pole, 240VAC
- JD3100 — 100A, 3 pole, 240VAC
- JD3125 — 125A, 3 pole, 240VAC
- JD3150 — 150A, 3 pole, 240VAC
- JD3175 — 175A, 3 pole, 240VAC
- JD3200 — 200A, 3 pole, 240VAC
- JD3225 — 225A, 3 pole, 240VAC