B220 - Siemens - 20 Amp Circuit Breaker Condition:Reconditioned It has bolt on mounting

It has bolt on mounting and provides protection against over current

QOB340 - Square D Bolt-On 40 Amp Breaker

QOB360 - Square D Bolt-On 60 Amp Breaker

BR250 is a 2 pole

BQ1B030 - Siemens 30 Amp Single Pole 120V BQ Bolt-On Circuit Breaker

B220 - Siemens - 20 Amp Circuit Breaker Condition:Reconditioned It has bolt on mountingB220 Siemens 20 Amp Double Pole Bolt On Circuit Breaker The Siemens BL Bolt On Circuit Breaker is a panel board mounted, non interchangeable trip molded case Bolt On Circuit Breaker. Specifications: Manufacturer : Siemens Family : B BL Series Cat. No. : B220 2 Pole 20 Amp 240 Volt Connection : Bolt On Phase : 1 Interrupting Rating 10000 Ampere Dimensions (H x W x L): 3. 5" x 2" x 3" Authentic Siemens Product CSA Approved and UL Listed