Siemens HED E-Frame Hi-Break Circuit Breakers
The Siemens HED series is an E-Frame 125A Hi-Break molded case circuit breaker rated for 600V and 42kA interrupting capacity at 480V. Available in 1-pole, 2-pole, and 3-pole configurations from 15A to 125A for commercial and industrial branch circuit protection.
Series Specifications
| Frame | E-Frame 125A Hi-Break — 125A Frame |
|---|---|
| Amperage Range | 15A – 125A |
| Voltage | 600VAC |
| Poles | 1-Pole, 2-Pole & 3-Pole |
| Interrupting Rating | 42kA @ 480V |
| Mounting | Bolt-On |
| Trip Type | Thermal Magnetic |
History and Replacement Context
The Siemens HED Hi-Break series was developed to provide higher interrupting capacity than the standard ED frame for applications close to transformers or in facilities with higher available fault current.
Typical Applications
- Commercial panelboards
- Industrial branch circuits
- Lighting circuits
- Motor branch circuit protection
Available Catalog Numbers
- HED43B015 — 15A, 3 pole, 120/240/480Y/277VAC
- HED43B020 — 20A, 3 pole, 120/240/480Y/277VAC
- HED43B025 — 25A, 3 pole, 120/240/480Y/277VAC
- HED43B030 — 30A, 3 pole, 120/240/480Y/277VAC
- HED43B040 — 40A, 3 pole, 120/240/480Y/277VAC
- HED43B050 — 50A, 3 pole, 120/240/480Y/277VAC
- HED43B060 — 60A, 3 pole, 120/240/480Y/277VAC
- HED43B070 — 70A, 3 pole, 120/240/480Y/277VAC
- HED43B080 — 80A, 3 pole, 120/240/480Y/277VAC
- HED43B090 — 90A, 3 pole, 120/240/480Y/277VAC
- HED43B100 — 100A, 3 pole, 120/240/480Y/277VAC
- HED41B015 — 15A, 1 pole, 277VAC / 125VDC
- HED41B020 — 20A, 1 pole, 277VAC / 125VDC
- HED41B025 — 25A, 1 pole, 277VAC / 125VDC
- HED41B030 — 30A, 1 pole, 277VAC / 125VDC
- HED41B040 — 40A, 1 pole, 277VAC / 125VDC
- HED41B050 — 50A, 1 pole, 277VAC / 125VDC
- HED41B060 — 60A, 1 pole, 277VAC / 125VDC
- HED41B070 — 70A, 1 pole, 277VAC / 125VDC
- HED41B080 — 80A, 1 pole, 277VAC / 125VDC