The B140HH – SIEMENS (HBL) 1P40A 120V Bolt On Circuit Breaker offers reliable protection with a sturdy 65kA interrupting capacity. This single-pole breaker is designed for easy installation and efficient performance in residential or commercial applications. Ensure safety and compliance in your electrical system with this high-quality breaker from Alberta Breakers.
| Brand | Siemens |
|---|---|
| Type | Standard (Thermal-Magnetic) |
| Amperage | 40 A |
| Poles | 1-Pole |
| Voltage | 120V |
| Interrupting Rating | 65 kA |
| Mounting | Bolt-On |
| Frame / Series | HBL |
| Catalogue # | B140HH |
The Siemens B140HH is a bolt-on, single-pole 40A 120V breaker from the HBL (BL/BA bolt-on) series, designed for use in compatible Siemens/ITE bolt-on panelboards — typically EQ, ES, PL, and PN series loadcentres and commercial panelboards that accept bolt-on style breakers. Its 65kA interrupting rating makes it well suited for higher fault-current environments in both residential service upgrades and light commercial installations.
Not sure if this breaker fits your panel? Send us your panel model and we'll confirm compatibility.
The 'HH' suffix on the B140HH denotes a higher interrupting (High HIC) rating of 65kA, compared to the standard B140 which carries a lower interrupting capacity. If your panelboard or local electrical code requires a higher fault-current rating at the breaker location — common in commercial or high-fault residential services — the B140HH is the correct choice. Always verify the required AIC rating for your specific installation.
In many cases, yes. Siemens acquired ITE, and the BL/BA bolt-on breaker line is generally cross-compatible with legacy ITE bolt-on panelboards. However, compatibility depends on your specific panel model and bus configuration. We recommend confirming your panel's make, model, and bus type with our team before ordering to ensure a safe, code-compliant replacement.
Northern Breaker Group specializes in obsolete and hard-to-find breakers, and we maintain inventory of Siemens HBL series bolt-on breakers. Stock levels can vary, so we encourage you to contact us or visit our Calgary or Edmonton counter to check current availability. We can also source the breaker quickly if it is not immediately on the shelf.
