Eaton BQC215215 Plug-In Mount Type BQC Quadplex Circuit Breaker 4-Pole 15 Amp Outer Two Pole 15 Amp Center Two Pole 120/240 Volt AC: Amazon.com: Tools & Home Improvement
Eaton Type BR 30-Amp 4-Pole Quad Circuit Breaker in the Circuit Breakers department at Lowes.com