




Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The Siemens B340 is a low voltage molded case circuit breaker designed for electrical distribution. This 40 amp, 240 volt, three-pole breaker complies with UL standard 489. It is suitable for use in panelboard mounting and provides essential circuit protection.
The Siemens B340 circuit breaker ensures reliable protection for electrical circuits, making it ideal for various applications in electrical distribution systems.
Thanks for subscribing!
This email has been registered!




