Siemens 40 Amp Double-Pole Type QD Replacement Circuit Breaker

Siemens QO replacement breakers are UL listed for use in Square D QO brand load centers and are ideal for replacement of existing breakers or if expansion circuits are required. These 3/4 in. breaker snap on to the QO type bussing. All QD breakers are supplied with load side connectors suitable for 60/75 C wire and are calibrated for 40 C maximum ambient applications. Siemens QD circuit breakers are available in 15 to 60 Amp, single and double pole configurations and are rated at 120/240-Volt AC.|Square D QO compatible - 3/4 in. plug-in format|UL classified for use in place of square D type QO circuit breakers in square D load centers|Economical alternative for replacement or in new construction|HACR and SWD rated|Developed and tested to UL 489; assuring performance equal to or exceeding UL requirements|Designed for residential/commercial applications