Siemens BL Bolt-On Series (Siemens) Circuit Breakers
The Siemens BL series is a bolt-on residential circuit breaker rated for 120/240VAC operation. BL breakers are used in Siemens and ITE residential load centers and light commercial panelboards.
Series Specifications
| Frame | BL Bolt-On Frame — 100A Frame |
|---|---|
| Amperage Range | 15A – 100A |
| Voltage | 120/240VAC |
| Poles | 1-Pole, 2-Pole & 3-Pole |
| Interrupting Rating | 10kA @ 120/240V |
| Mounting | Bolt-On |
| Trip Type | Thermal Magnetic |
History and Replacement Context
The BL series was part of the ITE/Gould product line inherited by Siemens in 1978. BL breakers continue to be used as replacement breakers in millions of installed ITE and Siemens panels.
Typical Applications
- Residential load centers
- Light commercial panelboards
- Branch circuit protection