
Siemens B230 Molded Case Circuit Breaker
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About the Siemens B230 Molded Case Circuit Breaker
The Siemens B230 Type BL circuit breaker is a 30A, 2-pole, common-trip, bolt-on breaker for compatible Siemens panelboards. It is rated 120/240V AC with a 10kA interrupting capacity and fixed thermal-magnetic protection.
• Manufacturer part number: B230
• Current rating: 30A
• 2 poles, common trip
• Voltage rating: 120/240V AC
• Interrupting rating: 10kAIC
• Type BL, bolt-on mounting; load-side lugs
• UL 489
Verify panelboard compatibility and installation requirements before ordering.







