QSA2020SPD - Siemens - 20 Amp Surge Protector Connection_ Plug-In Two 1 pole 15 amp

Two 1 pole 15 amp breaker with one 2 pole 50 amp in middle

BR270 - Eaton Cutler-Hammer Breaker

THQL1120GFT - GE 20 Amp GFCI Breaker

Interrupt Rating: 65kA@240V

BQL50 - Commander 50 A 1 Pole Bolt-On Breaker

QSA2020SPD - Siemens - 20 Amp Surge Protector Connection_ Plug-In Two 1 pole 15 ampQSA2020SPD Siemens Surge Protector Siemens QSA2020SPD House Surge Protector with Two 20 Amp Circuit Breakers for Use Only on Siemens Panels. Includes maximum voltage rating of 240V tripping method thermal magnetic and standard interrupting rating of 10 kiloampere at 240V complete with (LI0 long time and instantaneous trip functions. Specifications: Manufacturer : Siemens Family : Q QP Series For use in Siemens Type 'EQ, EQL, SEQ, EQG, PL and ES series