Description
Description
The Siemens B320 circuit breaker is a three-pole device rated for 20 Amps at 240V AC, designed for commercial-grade electrical distribution systems. It features a thermal magnetic trip mechanism with a 10,000 Amp interrupting capacity, providing dependable protection against overloads and short circuits. Part of the Type BL series, the B320 uses a bolt-on mounting style for secure installation in Siemens panelboards. Its molded case supports wire sizes from 14 to 10 AWG copper and 12 to 10 AWG aluminum, and it’s UL listed and CSA approved for safe, compliant operation in demanding environments.
Specifications
| Ampere Rating (A) | 20 |
| VAC (V) | 120/240 |
| Interupting Rating | 10000A |
| Temperature Rating | 40° |
| Aprovals | UL listed - CSA certified |
| Mounting Type | Bolt-On |
| Number of Poles | 3-Pole |
| Type | BL |
| Wire Size | #14 to #8 AWG |
| Switching Duty Rated | No |
